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Bmw 1 series whirring noise?
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Bmw 1 series whirring noise?
Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm. It sounds like the noise you hear when you're in a room with an old CRT television. A whining sound in your car’s radio is likely to be DC noise from the alternator, especially if the pitch of the noise changes with engine speed. 7 billion to build at least six EV models i. E46 318 CI - whirring noise when slowing down! Tags noisehelp. The car drives beautifully and the engine is sound. So on days that are below 20 degrees C (rare around here), my car makes a funny whining noise when in reverse. Last Post: 10-02-2012, 05:38 PM. i got a faint whining noise when i turn the steering wheel (hot and cold car). 6 posts · Joined 2021. I took it in once and it came back as nothing abnormal. Ever since that day, the X5 has been making a loud humming noise after the car accelerates past 20-25mph and is let off the gas. If you give it gas it's very faint but off the gas is when you really hear it. chnkpilot Discussion starter. My 91' 318is has a noise that is getting worse. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. whining engine noise in 05 X5 3. Slight whirring noise from behind dash. I've been hearling a low whirring/whining sound from the left front, but only when coasting down from around 70 or so on the highway. The faster I go the higher the pitch becomes and turns into a whine until I barely hear it. 3 Series & 4 Series I think the slight whining noise is simply the worn bevel gear that fits loosely against the differential of the rear axle. So as most will know I have been chasing a whirring noise that sounds like a small fan behind my dash that tracks the rev's for 6 months or more, the noise can be turned on & off via the A/C switch. It is present with the engine off and the car coasting. Whirring gets higher in pitch as I go. 50pence said: padders said: moulin12 said: 1st and 2nd gear whine on the ZFs up until mid-late 2016 are indeed a common problem - a problem in the sense of annoyance rather than reliability. Yesterday I went out in my 1996 Z3 1. BMW 1 & 2 Series General Discussion 1 Series (2004-2013 | E81, E82, E87, E88). Hello, I have a problem with my e36 320i M52b20, so ever since I bought the car, there is a whining noise coming from the transmission when the clutch is engadged. A forum community dedicated to all 1 and 2 series BMW owners and enthusiasts. After having my valve cover replaces as a warranty job because of a leak on the rear passenger side of the engine that was sending fumes into the cabin through the vents, a whirring/screeching noise started to be more loud when the car is at operating temperature. BMW Model Discussions E39 (1997 - 2003) Jump to Latest Follow 209 views 1 reply 2 participants last post by E30 e39 e46 owner Mar 7,. The transmission transfers power from the engine to the wheels, so any noises the system makes are likely to become louder when accelerating. I recently started to hear a whining sound, mainly when I let off the gas and decelerate. Is it a constant whine or just when you turn the steering wheel? The PS reservoir has a built-in filter, that if clogged, could restrict fluid flow and cause this noise. Changes pitch as I speed up, starting from about 30mph. I've read multiple forums with others complaining about hearing similar noise, however, I am yet to find how to resolve this issue. While a whining noise is most notorious to be caused by timing belts, note that this car does not have one of those. 35 posts · Joined 2010 A strange 'electric golf cart' like whining noise is coming from the engine in my '11 X5 50i. 2228 posts · Joined 2012 Ah right. I have a fairly severe whirring noise on my 118d 2007 (m47) the noise happens at around 1500rpm whether the car is moving or sat still in neutral, it goes away once the car is running at higher revs. When the valve fails, this pressure needs to escape the engine, and does so thru the weakest spot: The engine main bearing seal. In my past experience this has been either low fluid in the transmission or the alternator going bad. You HAVE to maintain the same orientation of the 2 parts of the driveshaft as it is a balanced unit. Hey there, My car has a peculiar whirring noise at startup. You HAVE to maintain the same orientation of the 2 parts of the driveshaft as it is a balanced unit. Add to quote; Share Only show this user. They must have fixed something if the earlier models have a pronounced whine, because I reverse into my garage everyday and my driveway is about 100 feet long. It's coming from the rear somewhere. By clicking "TRY IT", I agree to receive newslet. its like the car is crying out to me to stop driving haha Ever Experience Bmw Steering Noise While Turning The Steering Wheel, If Yes Then This Video Is Going To Help You To Fix The Bmw Steering Noise For Free And W. I thought it might be from the front of the car, but the. I thought it might be from the front of the car, but the. 9 for the first proper drive in a couple of years and noticed a whirring humming noise coming from the rear end but only while the roof is up The BMW Z Roadster & Coupé Range Differential bearing noise. Once I realised that the noise seemed. A two-day course at BMW's U headquarters teaches both safety and fun. Apr 30, 2020 · N55 with 80,000 miles. First, the Dealer replaced the diff with a new one off the shelf and that didn't fix the problem. Hi, new to the forums and looking for some help 01-04-2021, 07:38 PM. BMW Model Discussions. 3 Series & 4 Series. The whining noise is very loud during low-speed operation or when in a lower gear and for some reason while climbing, if that makes sense. What I've noticed is a whine that seems to be coming from the differential upon deceleration at certain speeds. Turn off your AC and fan, start the car up again and you'll know right away if that's it. A whining sound from your vehicle's transmission is generally indicative of a fluid-related issue. While a whining noise is most notorious to be caused by timing belts, note that this car does not have one of those. at first i tought it was idler pulley or some kind of pulley. Whistling is indeed irritating, but does it indicate a serious issue or is it just a harmless noise? A few months ago i found you would get a whining noise when only started when turning right hand corners. Jump to Latest Follow 21 - 33 of 33 Posts BMW has released a Technical Service Bulletin - SIB 64 01 14 for Heating and Air-conditioning for the 335i / 435i with N55 engine. 35 posts · Joined 2010 A strange 'electric golf cart' like whining noise is coming from the engine in my '11 X5 50i. Just a guess-left front wheel bearing. Happens in neutral while coasting also. Maybe also the belt tensioner (not the timing belt), etc: timing belt tensioner. 7 billion to build at least six EV models i. Expert Advice On Improving Your Home Vid. iTrader: ( 0) Whining sound when AC on (video attached) Possible AC Compressor Clutch going bad? have about 135K miles. I cant tell if it's the alternator/ pulley/ or the belt making the noise. BMW Model Discussions. i can't seem to find any info on this either: whirring fan noise from passenger side of car- possibly under seat. I'd say it's brake noise. Mileage of the car is not even 30kmls. Add to quote; Share Only show this user. dunking donuts career I have a fairly severe whirring noise on my 118d 2007 (m47) the noise happens at around 1500rpm whether the car is moving or sat still in neutral, it goes away once the car is running at higher revs. A whining or howling differential noise on accelerating or decelerating may be caused by a loose gear inside the differential A worn U-joint can cause vibration through the vehicle, as can a driveshaft being out of balance. Then if I rev a little when idle, it does this, sounds like a normal engine whine but im not sure. Bimmerforums is the preferred online BMW Forum and community for BMW owners. 1681 Views 25 Replies. I replaced the tensioner and the belt but the issue still persists. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm. '07 X3 Whirring Noise, Warm Engine, All Speeds I have a 2007 X3 with 28k miles. Indices Commodities Currencies Stocks BYMOF: Get the latest BMW Vz. On the screen in the car it say car may not start check the remote. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. So I was taking my e92 320d M Sport for a nice spirited Sunday drive down some country lanes earlier today when I noticed a clinking/whining/grinding noise in 6th gear, I was doing around 60 at the time and it seemed to be speed dependant as to how loud it got. Two days ago I started my car up in work, drove for a few hundred meters and had to accelerate quite quickly onto a dual carriageway, I heard a whistle / whinning noise so dropped off the gas, pulled over as soon as I could. 100% satisfaction guarantee Get all the answers you need. 1 bedroom duplex for rent It sounds like the noise you hear when you're in a room with an old CRT television. As soon as I turn off the air condition, the noise is gone. Bimmerforums is the preferred online BMW Forum and community for BMW owners. com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. If your engine emits this noise every time you accelerate, it could be a problem linked to bearings, fluids, and the engine belt. The dealer made an emergency brake adjustment, which fixed it briefly, but it has returned. Feb 17, 2006 All of a sudden my dad's 80 started making a really loud whirring/howling noise when driving. BMW Model Discussions E39 (1997 - 2003) Jump to Latest Follow 209 views 1 reply 2 participants last post by E30 e39 e46 owner Mar 7,. In addition when reversing, there is kind of a whining noise compared to the E39. My 2000 bmw z3 2. About three days ago early morning my wife and I left to gym and we put the heater on because it was cold. Open the hood while you can hear the noise and see if your fan is on. Start the engine and watch the belts. If you hear clicking noise from the. dijaspora online serije Jump to Latest Follow 1 - 6 of 6 Posts bimmerbob1 ·. 2000 528i. Noise is there when I accelerate and when I am off throttle. Prices may vary depending on your location. In this video, I sort out the loud whining noise coming from my engine. What is white noise? Learn how different sound frequencies combine to create white noise. When it comes to luxury sedans, the Audi A4 and the BMW 3 Series are two of the most popular choices on the market. It isn't that loud and is most noticeable at idle at a light but can also be heard sometimes when the car is moving. It started whining in reverse about a month before I traded it at the end of 2/17. When I open the hood I can hear the noise coming from the alternator area but I just changed out the alternator less than 6 months ago. I have a 2013 535i m type with soft touch door. BMW plans to invest $1. A strange humming/whirring noise from the front of the car appeared about a month ago on my 2016 X6 50i (~60K miles). I cant really identify where it comes from but my first instinct is engine or tranmission. 00 excess & labour for investigation @ £150 I am dam sure BMW would of charged for diag and wouldn't of replaced the compressor as not failed. Now I started hearing another noise coming from the left pillar, a bit like wind noise. Jump to Latest Follow 2K views 1. After some driving today listening carefully when and how it sounds: Most clear when driving the first 10-15 minutes.
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00] Quote: Originally Posted by 335okc. If you're experiencing a whining noise from your engine, check your oil filter. I thought it might be from the front of the car, but the. It has just developed a sort of siren, high pitched whirring sort of sound when your accelerating at full throttle. It is best to have an expert check out these components under the hood. Sounds like a grinding or whirring noise from the middle or rear of the car. The car drives great and has been regularly serviced but I really want to fix this annoying noise. The most common reasons for there to be whining noises coming from under the hood/bonnet of your BMW M2 are having a belt slip (drives accessories like air conditioning, power steering etc) or having a vacuum leak from your air intake hoses being worn or cracked (most common noise when accelerating). Possibly a bearing in the alternator Mum has this too. Has plenty of fluid and does not leak. This is common on 2008 750Li models. 1) I had just returned from a 200 mile trip (400 miles roundtrip) in early Jan. The noise mostly occurs when the vehicle is in gear (forward and reverse - both idle and moving - the noise is continuous/does not stop when in gear). Loud whirring noise that gets faster with my RPMs up til about 2 It is very loud, and happens all the time when you rev the motor, whether in neutral or in gear. On further check I dropped the back seats and got my friend to drive. I've spent hours reading these forums and watching videos on youtube to find a match for the noise I have with my BMW X3 2011 (f25) xdrive28i(3 Have not heard a similar sound / pattern. May well have been there all along but I've had the fans on high all summer ! It's deffo air con related as if I turn of the AC the noise more. They must have fixed something if the earlier models have a pronounced whine, because I reverse into my garage everyday and my driveway is about 100 feet long. With its sleek design, powerful engine options, an. Ask ttiger79 Your Own Question Category: BMW Makes loud whining noise that soulnds electronic and often gets pretty loud and starts even before engine turned on and persists for a few seconds after eng. Just a guess-left front wheel bearing. Had my M135i just over 2 years and have found this website to be a great source of information. Jump to Latest Follow 1 - 6 of 6 Posts. Any ideas as to the source? 160 posts · Joined 2004 Today, after driving around 25 miles on the freeway with no problems, a whining noise appeared after I got off the freeway and at idle. flashing accidental The transmission fluid level is adequate and there is no leak from hoses BMW Model Discussions. 3 Series & 4 Series. Same level of sound regardless of speed or rpm. I just pulled into my garage after a 20 mile highway drive and there is a loud, high pitched whining noise coming from my engine bay. Physical damage causing fan blades to warp and wobble can result in scraping contact with the fan shroud when the engine stops, producing a scraping Whirring Noise After the Engine is Off. BMW Model Discussions E39 (1997 - 2003) Jump to Latest Follow 209 views 1 reply 2 participants last post by E30 e39 e46 owner Mar 7,. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less. After replacing the drive shaft it has developed a whining sound which sounds like it's coming from under the car at certain rpm's above or below those rpm's it goes away. Everything is about the car is great, however, there is a very annoying whirring/buzzing noise. When rpms get to 1200 or 1400 it goes away. Quote: Originally Posted by lbjgh. As this video from SciShow explains, that’s because when it’s quiet, a single sound is accentuated, diverting your attention There are tons of background sound sites and apps, but most do the same things. With the cold weather coming in (Only between 5 and 10deg C so not that cold) the whining seems to have gottem worse and now happens even when just turning steering wheel when stationary and reversing. Jump to Latest Follow 965 views. The fix: Get your brakes serviced. Noticed it makes a whining noise under acceleration. hanna andersson 140 Sometimes if I just do longs easy Highway drives it goes away. The tires are fine and other than the annoying noise, there are no major problems. While noise canceling has traditionally required the use of bulky headphones, Panasonic has a new idea. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. BMW Differential Noise/ Diff whine. Now it is still there at idle, idles rough, plus the service engine soon. X Series. This is common on 2008 750Li models. My first post here so hello to everyone. The faster I go the higher the pitch becomes and turns into a whine until I barely hear it. My 91' 318is has a noise that is getting worse. Well my whining noise turned into a screaching noise and also a rather large water leak from around the pump housing!!! So guess I'll be doing the pump, all the belts, and tensioners as well as the alternator!!. When starting there's a slight squeak but that disappears pretty quickly…. Mar 2, 2010 · Like something is not rotating properly. 9) in '97 and it had a diff whine from the very first time I drove it on the highway. The faster I go the higher the pitch becomes and turns into a whine until I barely hear it. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. No noise when at a stop, but starts making the noise as I accelerate. 25 posts · Joined 2010 My 2010 750Li ran silently when new, but developed an ugly whining noise after about 4,000 miles. Relying simply on selling cars is no longer enough ON Semiconductor Corp. myrebate.rebate access.com Try to push and pull sideways on the driveshaft. my power steering fluid was low, so. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! M135i/M140i. 1 Series & 2 Series (E81, E82, E87, E88, F20, F22, F23, F40, G42) 1 Series M Coupe; 2016+ M2; Bimmerforums is the preferred online BMW Forum and community for BMW owners. I saw a couple threads from a few years ago that seemed. From the day I picked it up it had that horrid whirring noise. All the loose sponges will come out and you will see them on your carpet after a couple of minutes. Without hearing your car's noise it is difficult to say if it is normal. If I do not full stop with no brake or acceleration it. BMW 1 & 2 Series M Models. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less BMW Model Discussions E39 (1997 - 2003) whining noise. 5 Series (E12, E28, E34, E39, E60) Whirring noise form rear. Inspect rear differential gasket, pinion seal, and side seal Replace broken parts. Set the fan speed to full blast Get out of the car and leave it like that running for 5 minutes. Used stethoscope and seems noise comes from somewhere near the small upper turbo. The noise can be heard inside the car when cruising at 20/50mph in all gears. This video shows how to verify the prob. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm. 2002 325xi 5spd. here's the symptoms. It is most prevalent in stop and go traffic (los angeles) and parking lots when you put a throttle input in and then coast. Mar 17, 2023 · 3) Transmission Issues. It's gone when is turned off, Bearing is fine To fix this have the system pulled empty then vacuum it for 15 min, add 10 grams of oil and the recharge to the correct amount (in this case 700 grams. BigBoy740il.
These days the temperature in South Florida is a bit colder than usual in the mornings (60s). 53 posts · Joined 2016 So I have been chasing a whirring noise that sounds like a small fan behind my dash that tracks the rev's for 6 months or more, the noise can be turned on & off via the A/C switch. Jump to Latest Follow Whirring/Rattling Noise. It seems very spontaneous and random. 1 Series & 2 Series (E81, E82, E87, E88, F20, F22, F23, F40, G42) 1 Series M Coupe; 2016+ M2; 3 series & 4 Series (E21, E30, E36. 2011 BMW 335 [0. However it makes a fairly loud whining noise when i accelerate. I will say it's only noticeable at idle or at low speeds (low road/engine noise). Is this normal? I drive a 01' 330i with 18k miles on it. craigslist md houses for rent BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback). To recap: -smooth continous whining noise at 2400 RPM when under load. Just to add some information my car is a 2015 manufactured October 2014 and I have zero whining noise while in reverse. A two-day course at BMW's U headquarters teaches both safety and fun. alpha card In fact, the clutch release bearings must be swapped around every 120 000 / 130 000km. Excessive Tire Wear. When it comes to luxury sedans, the Audi A4 and the BMW 3 Series are two of the most popular choices on the market. I got a number of parts off a boneyard 325 with 117K on the odo that worked out pretty well. Show Less Whining noise from A/C Compressor a/c ac compressor e46 Jump to Latest Follow 5K views 5 replies 4 participants last post by nuwaus May 30, 2019 N nuwaus Discussion starter 16 posts · Joined 2018 #1 · May 29, 2019 Hi everyone! I have a 320d pre-facelift with M47 engine and my A/C Compressor making a strange whining noise when the clutch is engaged. Its never caused any problems really but it just makes the car sound awful. 1998 BMW 528i E39 Whirring Noise Sort by Oldest first 1226 posts · Joined 2005 Sounds like the secondary air pump, but that shouldn't come on after the engine warms up. craigslist free stuff sc Or possibly a brake dust shield rubbing against it. The German luxury automaker BMW may be joining other car manufacturers in the ride-sharing space, to compete with Uber and Lyft. Jun 19, 2005 · 160 posts · Joined 2004 Today, after driving around 25 miles on the freeway with no problems, a whining noise appeared after I got off the freeway and at idle. the solution bubbles up and makes a whining noise when you use the car. 193 posts · Joined 2016 Morning guys, Noticed the last week or so that when my M2 selects drive/reverse or when the stop/start engages I get a noise from the centre console/gear selector area. 2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions Whirring / Whining Noise that follows RPM Whirring / Whining Noise that follows RPM The clutch thrust piece needs to be adjusted using following procedure and after that verify the clutch play at the lever (0,5. '07 X3 Whirring Noise, Warm Engine, All Speeds I have a 2007 X3 with 28k miles.
chnkpilot Discussion starter. It is quite common to hear a noise of this nature, when a transmission’s fluid level is reduced beyond capacity, or when a transmission fluid pump begins to fail. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm. 4 posts · Joined 2021 Hi , i have a whining noise both while the car is running and stationary if i rev the engine in P and N Feb 9, 2012 · Symptoms: Whirring noise that relates directly to the speed of the car. It begins at 30 mph. I thought it might be from the front of the car, but the. Hope that's it, because a can of coolant will take care of it. There is no other noises when turning the wheel going forwards or backwards. whining engine noise in 05 X5 3. In the last few weeks, I'm getting getting a whooshing noise in the cabin when I accelerate. It's gone when is turned off, Bearing is fine To fix this have the system pulled empty then vacuum it for 15 min, add 10 grams of oil and the recharge to the correct amount (in this case 700 grams. BigBoy740il. sounds like a damn supercharger any thoughts and its not the power steering pulley because fluids are good and no noise while turning A forum community dedicated to BMW owners and enthusiasts The whining noise used to come and go, but is mostly there now everytime I drive the car. It doesnt whine when at a stand 2021 VW Tiguan 1 2008 BMW E92 320d M Sport Bluefin tuned, CSL Alloys. X Series. However, I can't help but notice this whining noise coming from the rear of my M2 when the car is either slowly coming to a dead stop or slowly starting to drive. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! I've started to notice that if I sit on 70Mph I can hear quite a noticeable whirring noise, when I say whirring its more of a 'waw, waw' kind of noise if that makes sense!. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21. brian wells exploding footage N52 high-pitch noise on idle Bimmerforums is the preferred online BMW Forum and community for BMW owners. E39 (1997 - 2003) Bmw e39 1999 523i whining noise (with videos & sound) Jump to Latest Follow. In this article, I present some of the possible causes of whining noise while accelerating. BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Mechanical Maintenance and TSBs: Break-in / Oil & Fluids / Servicing / TSBs and Service Bulletin > 2013 328i N20 Whining/buzzing noise Page 1 of 2: 1: 2 > Thread Tools: Search this Thread. My 2007 118d Sport had just clocked up 50,000mls when I heard a noise I did'nt want to believe. I have owned the car two months now, it is an 02 E39 525i Msport 155k miles. keenmachine Discussion starter. My 2007 118d Sport had just clocked up 50,000mls when I heard a noise I did'nt want to believe. How to fix steering noise for free. I recently purchased a 1998 E36 M3. The cost: The cost here radically shifts depending on how difficult it is for a mechanic to access the AC system in your make and model. Any idea? Sounds like its part of the normal operation of the car but I just want to know what it is. It could also be due to a power steering issue, worn bearing or low engine oil. When in doubt, replace it. As far as I know I installed it correctly and the belt is routed as it should be. If your engine emits this noise every time you accelerate, it could be a problem linked to bearings, fluids, and the engine belt. I presume its an issue with the compressor. 1) Hop in the car 2) Close the door 3) Listen for 'any' high frequency noise coming from the driver/passenger door lower speaker (under the sail). financial representative fidelity salary Does not sound like a wheel issue, as it sounds like the whirring is moving much faster (rpms) than the wheels. A slipped belt can be quickly fixed by a. 5 yrs ago and it has only done it about 3 or 4 times. If I open the oil fill cap, the noise stops. 5k rpm on 2nd/3rd gear , theres visible oil leak on the passenger side. Because it is sucking air in the main seal due to the fail pcv which is integrated in the valve cover. Hey all, My 2003 325xi battery keeps dying after about 2 days (though not all the time). Gearbox grinding/whining in 3rd,4th and 5th. I checked the tracks and didn't see anything of concern. I had a 2014 328i X Drive purchased new in 9/14. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. I saw a couple threads from a few years ago that seemed. I was right about the AC compressor causing the whining noise. Recently I have noticed strange whining noise that is audible mainly in 1st and second gear during low speeds it seems it is throttle/ rpm variable. Whenever I unlock and open my doors, I hear a weird metallic whirring noise from under the car. 2012-2015 BMW 3-Series and 4-Series Forum. I have a 2009 BMW 325i steptronic purchased second-hand a month ago 1 Series M Coupe; 2016+ M2; 3 series & 4 Series (E21, E30, E36. 5 Series. Hey all, Lately, I'm super aware of the sound my fan makes. I have replaced both. Does anybody have experiences with a whining noise coming from the rear differential of a Z3? You only hear it with the top closed, around 50 mph, then it disappears completely at higher speeds and comes back around 75/80 mph. I found a parts company that could sell. The noise is loudest between 1000-2500 RPM and changes pitch upwards with higher RPM. BMW 3 Series Forum - Technical Talk on the BMW E46. From the day I picked it up it had that horrid whirring noise.