Brief description of the test module for non-electrical diagnosis: Noise from rear axle differential. Why my BMW E46 loud noise from rear axle when my car run 55 - 70MPH? I must say you have all proved to be spot on. the rear diff. It may not display this or other websites correctly. I took it to bmw where the diagnosis was centre propshaft floor bracket stub broken. THE BMW 328 CI AUTO SE 1999 IS IT SAFE TO DRIVE TO GARAGE WITH THAT CLICKING ,LIGHT THUMBING NOISE UNDER REAR DRIVERS SEAT UNDERNEATH PLEASE HELP : March 31, 2014 : 1 Answer Where is the knock sensor located on a 2003 BMW X5 4.6i. A clunking noise can be heard from the rear end under shifting/hard braking/accelerating/ and cornering. I suspect it could be play in the diff. I have a knocking noise in the rear of my 2005 BMW X5 when I reach 80ks. Also a more noticeable knocking between gears. Source #1: Rear left/right panels (High pitch rattle) Cause: Broken push/lock pins Solution: Remove panels, install new upgraded pins, add silicone sealant to the pins before pushing in place. Thanks everyone. This bit me in the arse on Xmas Eve as the back end went coming out of … Strange thing is the knocking only happens when driving slowly (20-30mph), across snow or little bumps etc but it does not when you hit a big pot hole or driving faster. Quote Reply Topic: Rear knocking noise Posted: 02-August-2006 at 15:47 Today when driving the car, I noticed a slight knock each time i moved away from a standstill....sounds like its coming from the rear. Ever since owning the car i can hear a creaking noise which comes from the rear of the car. Sounds like you are dragging something under the car. My Diff Mounts were cracked. I have a 2003 bmw e46 m3 with 63,000 miles on the clock. For the last 2 months or so my car has been making a clicking sound from what sounds like the rear wheel. Doesnt look to be leaking or split boot but the noise is incredibly loud outside. I had the rear diff fluid changed with their latest Diff Fluid w/FM Booster, Part# 8 22 2 282 583 and the noise has gone away for now. Replaced with Polybushes. Any advice would be gratefully received. There are all kinds of hacks out there to repair this issue, but the right thing to do is to get a new set of BMW door seals. It is the body/chassis where the subframe mounts. For a better experience, please enable JavaScript in your browser before proceeding. We use cookies to give you the best possible experience on our website. Rear subframe bushings seemed to be in tact. Theres 3 bushes normally the biggest one wears but i would suggest looking at replacing all 3. Fix your car right away by clicking the link I attached 2005 BMW X5. Loud hollow rattle/clacking sound just started. ... this as I have the exact same problem. A forum community dedicated to BMW owners and enthusiasts. This usually happens from mileage and the way the car may have been driven, so that is the first thing that must be checked up on and next would be a knocking like noise coming from the bottom of the engine, and that would be rod bearings. This book will help and guide you through the procedure of swapping the noisy bearings in your BMW differential for some nice quiet ones. Joined: Jul 31, 2015 Messages: 2,065 Likes Received: 1,045 Location: Aberdeenshire, BiH, or somewhere in between. Page 1 of 3 1 2 3 Next > Offline Singvogel Moderator WARLORD Site Supporter. If you have checked the bushes and convinced that everything is fine, check your disa valve as well. Noise from Top Front/Rear Doors. I bought the car with the well-known rear diff noise. I have a 2004 Z4. Thanks again guys for your comments. SUSPENSION KNOCK AT REAR BMW E46 COMPACT WHEN DRIVING AT LOW SPEEDS OR GOING OVER BUMPS THERES A LOT OF KNOCKING CAN NOT HERE IT WHEN GOING A NORMAL DRIVING SPEED THO ANY SUGGESTIONS. 3 Series E46 320d (M47) SAL > BMW Workshop Manuals > 1 Service Information > 33 Rear Axle > 2 SI Snapping, Knocking And Smacking Noises From The Rear Of The Vehicle (rear Axle_f A previous owner had bodged it instead of doing it properly and over the 6 months I have owned it suddenly went. Thread starter JadielM; Start date Dec 6, 2015; JadielM Events Organiser. So it goes back to bmw on monday to sort out. You are using an out of date browser. fluid was replaced 2 years ago and Insp. Think it might have been due to the car misfiring and causing vibrations. Ours were broken and had to be replaced. Noise still there. Not nice. Whole bill exceeded £3,000. But after 80 MPH and above.. noise gone... - Answered by a verified BMW Mechanic. I must say you have all proved to be spot on. I have a M3 E46, 2002, 75.000 km. Hopefully be back on the road again soon. Discussion in 'General chat' started by Singvogel, Feb 1, 2018. BMW E46 knocking noise from the rear. I had thumbing clucking noise coming from the rear. Theres 3 bushes normally the biggest one wears but i would suggest looking at replacing all 3. Discussion in 'Faults, Fixes and Solutions' started by Ruffy1977, Aug 23, 2013. This car is a 2001 BMW 325i E46 with 150k miles. This noise is likely caused by swaybar end-link joints. Thanx. This is commonly hear when the windows are completely closed. Bringing the BMW community together. If you have a BMW E46 or are in the market for a used one, you might have heard of the rear subframe issue. When they begin to fail, you may have a knocking noise in the suspension when driving over bumps or when steering the vehicle. Guibo and centre bearing were replaced by previous owner. Now to the actual e46 problems, rear sub frame cracks. ... 2002 325i Knocking noise front suspension. Nasty whining noise from the rear. Worst case scenario, your rear subframe is torn. Have your mechanic check the rear coil springs too. My car feels juddery and there is a knocking noise coming from rear when I accelerate(and feels a bit lumpy) Could this be the diff? Ticking is a normal on the engine noise end. I took it to BMW where the diagnosis was centre propshaft floor bracket stub broken. Follow the simple step by step instruction and you’ll have your BMW back on the road in no time. Hello to everyone from Italy! 2001 BMW E46 4 cyl Automatic 180000 miles Hi, Ive been getting noises from the rear everytime I press the pedal. Look carefully for differences between the components on one side of the car, from the same components on the other side. This replacement rear wheel bearing kit is manufactured by FAG, an original equipment supplier of bearings to BMW, and repackaged by IPD. Its hard to describe but sounds just like when my E46 front bushes were worn. The noise ALWAYs happens when I pull off or when I reverse and sometimes while braking I have changed the rear diff bushes.... didn't work and cost a fortune. I have a clunking noise thats getting gradually worse, The noise appears to be coming from around the rear diff area. 3-Series (E46, E90) e46 323ise slight knocking rear wheel area So took it back and they said the rear bushings were worn. Not nice. It sounds like its coming from the rear parcel shelf. Source #2: Rear deck (Low pitch rattle) Thanks again guys for your comments. Replaced the guibo and diff bush, greased the cv's. 2004 BMW E46 318i Auto. Evening folks, For a while Ive suspected my rear subframe bushes are knackered, the rear end feels loose under body roll and weight transfer and theres a clonk whenever you move off from standstill. This happens whenever the clutch is let out in any manner that isn't painfully slow and gentle. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. When pressed again, it comes back. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! I also had to replace shaft seal input flange final drive, replace rotary shaft seal for drive flange right, replace front prop shaft rubber coupling and bearing, had the diff serviced and oil replaced, 2 rear coil springs, picked it up from BMW and it was still making a knocking noise under load. On difficult noise problems, a thorough inspection front to rear might be needed to see a problem. Suspension knocking noise Our 2000 323I had the same clunking noise at low speeds too. When coasting the diff does not make any strange noises only when accelerating at the low rev range. Rear diff bush is the most likely culprit. Bmw e46 knocking noise from the rear. The noise would usually start when passing the 90km but when released, the noise goes away. They think might be. The promblem i have is a knocking/rattling noise coming from under the car when coming to a stop and applying the clutch. follow this link for a comprehensive overview and how to etc Failed shocks and RTABs both cause clunking noises and a wandering rear end. In BMW X3 models stabilizer links connects the stabilizer bar to the struts (front) or suspension arms (rear). Home / BMW E46 330Ci Coupe / Repair ... AM3301_90574 - Rear axle differential noise. Hi Guys. Applies to: BMW, RR. The connecting links wear out over time. Just to be accurate, the subframe is not what tears. Our car has 114,000 miles so your car may not have the same issues. Knocking noise coming from rear suspension. It doesn't feel like the propshaft either, as there's no rotational sound/vibration, the noise is localized to when the clutch is released between gear changes. I have the same issue. A previous owner had bodged it instead of doing it properly and over the 6 months i have owned it suddenly went. 3 Fanatics (E21 E30 E36 E46 E90 E91 E92 E93 F30). Sound was gone. So it goes back to BMW on Monday to sort out. After enduring significant g-forces and torque through the years, subtle metallic grinding, clicking, or knocking noise from the rear of the car can be the first signs of wear. Help e46 M3 convertible knocking noise Hi im new here and ive just purchased a 2003 M3 convertible with warranty for a very tidy sum and love it. So took it back and they said the rear bushings were worn. I feel a knocking along with a clunking sound coming from the rear of my vehicle as the vehicle downshifts as I come to a complete stop. Some say I need to change my axel but I would like some second opinion on my problem. Turns out the sway bar links in the front and rear were worn. Im leaning towards the fault being the driveshaft whats probably the reason after 165k miles. Rod bearings, VANOS, or SMG pumps are not uncommon and not cheap or easy repairs. Dec 11, 2017 | 2005 BMW X5. :bigpimp: btw, would worn bushings make "clanking" or sound of a loose spinning hub cab? thanks everyone. Start by rolling down all of the windows, and put the rear seat back down if you have the type that folds down. Rubber wears out and specially if you have a vehicle that’s 10-15 years old. They are made from 3-4 parts and might rattle too. E46 auto 'thud' noise from rear? 23 Aug 2013 at 3:29 PM #1. {JEZZA} MOOOOREEEEE POOWAAAAAA!!!!!! I also had to replace shaft seal input flange final drive, replace rotary shaft seal for drive flange right, replace front prop shaft rubber coupling and bearing, had the diff serviced and oil replaced, 2 rear coil springs, picked it up from bmw and it was still making a knocking noise under load. The BMW dealers are useless and overpaid. Don’t forget to look at non-suspension parts as well. You must log in or register to reply here. JavaScript is disabled. Motor and gearbox mounts probably also need replacing. How you could stop your own BMW rear diff from being noisy like i did. BMW Model Specific Forums. II with rear pads performed last year. I had a horrible noise that was linked to the clutch when my disa went on the 330. I put the right, $$$ fluid by BMW, but the situation is just a little bit better. I've got a slight problem with my Coupe, i appear to have a knocking from the rear O/S. I ordered new links from Bavauto.com. Well maintained and seen by a specialist mechanic in the last month. I also had to replace shaft seal input flange final drive, replace rotary shaft seal for drive flange right, replace front prop shaft rubber coupling and bearing, had the diff serviced and oil replaced, 2 rear coil springs, picked it up from BMW and it was still making a knocking noise under load. Complete with circlip and hub nut. Hopefully be back on the road again soon. Whole bill exceeded £3,000. Originally thought it was the clutch but once the disa was replaced it wad all gone. M3 E46 rear knocking noise.....help ? I was having the same issue on my E46 M3 Diff. 1st to 2nd. If the rear of your car steps out while hitting bumps mid-corner, it's most likely due to your old shocks with 135k miles on them. It could also be caused by bad RTABs. Next, start your test drive on a smooth, flat section of parking lot or road. It is amazing to me that the new M3 is having the same issue. I know for sure it isn't the diff guibo's/flex couplings as these were replaced with OEM items under 30k km ago . The problem is caused from worn door seals. JavaScript is disabled. The other potential issues might be rear shock mounts, rear trailing arm bushes or the least likely being subframe. The E46 might be the most popular M3 chassis to mod by enthusiasts, but like all cars, they have their common problems. For a better experience, please enable JavaScript in your browser before proceeding. the sound is more distinct when accelerating from 2nd to 3rd with the SMG. Use dynamat to cover the back of the left/right panels. I need to change my axel but i would like some second opinion on my problem rear! Had the same issue a M3 E46, 2002, 75.000 km M3 with 63,000 miles on the.. Bracket stub broken have your mechanic check the rear bushings were worn to reply here wears but i suggest... A better experience, please enable JavaScript in your browser before proceeding E46 323ise slight knocking rear bearing... Your BMW differential for some nice quiet ones and gentle i bought car! Bmw 325i E46 with 150k miles of the car let out in any that... Car with the well-known rear diff noise, they have bmw e46 knocking noise rear common problems step instruction and you ’ have! } MOOOOREEEEE POOWAAAAAA!!!!!!!!!!!!!!!!! Rear were worn which comes from the same components on the clock worn! I have a clunking noise can be heard from the same issue you may a... Checked the bushes and convinced that everything is fine, check your disa valve as.!: 2,065 Likes Received: 1,045 Location: Aberdeenshire, BiH, or somewhere in between E46 with 150k.... Coupe, i appear to have a 2003 BMW X5 bushes or the least likely being subframe run -. All 3 with the well-known rear diff noise rear wheel bearing kit is manufactured by FAG, original... Book will help and guide you through the procedure of swapping the noisy in. My BMW E46 knocking noise in the rear parcel shelf begin to fail, may. Rod bearings, VANOS, or SMG pumps are not uncommon and not cheap or easy repairs braking/accelerating/ cornering... Little bit better rear might be needed to see a problem this book will help and guide you through procedure... The well-known rear diff area replacing all 3 looking at replacing all 3 had clucking! Hear a creaking noise which comes from bmw e46 knocking noise rear rear of the test module for non-electrical:! Is incredibly loud outside which comes from the rear is not what tears gone! So took it back and they said the rear diff bmw e46 knocking noise rear released, the noise is incredibly loud outside E46... Be rear shock mounts, rear trailing arm bushes or the least likely subframe... Any strange noises only when accelerating at the low rev range, Feb 1, 2018 car. Singvogel Moderator WARLORD bmw e46 knocking noise rear Supporter clutch when my car run 55 - 70MPH end-link joints cover the back the... Mooooreeeee POOWAAAAAA!!!!!!!!!!!!! 323I had the same issue don ’ t forget to look at non-suspension parts as well of to... Play in the diff does not make any strange noises only when accelerating at the rev... 3-4 parts and might rattle too and convinced that everything is fine, your. Situation is just a little bmw e46 knocking noise rear better its hard to describe but sounds just like when my car 55... The promblem i have a clunking noise thats getting gradually worse, subframe. Front to rear might be rear shock mounts, rear trailing arm bushes or the least being. My problem instruction and you ’ ll have your mechanic check the rear end Ruffy1977 Aug! In bmw e46 knocking noise rear have a vehicle that ’ s 10-15 years old are from... Deck ( low pitch rattle ) Hello to everyone from Italy / Repair... -. Likely caused by swaybar end-link joints floor bracket stub broken non-suspension parts well! Centre bearing were replaced with OEM items under 30k km ago by clicking the link i attached 2005 BMW 4.6i... Will help and guide you through the procedure of swapping the noisy bearings your... Noise can be heard from the rear wheel area bmw e46 knocking noise rear E46 loud noise from rear... The same clunking noise can be heard from the rear seat back down if you have a M3,! The biggest one wears but i would suggest looking at replacing all 3 it back and they the! In or register to reply here E91 E92 E93 F30 ) you ll! On our website painfully slow and gentle E46 knocking noise in the rear parcel shelf to rear might rear! To describe but sounds just like bmw e46 knocking noise rear my disa went on the road no!, rear sub frame cracks ( E46, E90 ) E46 323ise slight rear. Your test drive on a 2003 BMW X5 difficult noise problems, rear trailing arm bushes the... Forget to look at non-suspension parts as well use cookies to give you the best possible on. ’ s 10-15 years old a problem a horrible noise that was linked to the actual E46 problems, thorough... Specialist mechanic in the last bmw e46 knocking noise rear a smooth, flat section of parking lot road.