Bmw e46 knocking noise rear 93 knocks per wheel rev it would be propshaft side to diff input. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Dec 8, 2015 · I've been experiencing a rear rumbling/clunking noise in my 325i. Jul 21, 2013 · I have finally found the rear end noise I have been chasing for the past few weeks. Dec 2, 2004 · I have exactly the same problem with my 01/325 coupe. I have identified the problem as the rear trailing arm bushes. I know for sure it isn't the diff guibo's/flex couplings as these were replaced with OEM Jun 26, 2007 · The rear floor in the E46 appears to be failing due to ***8220;High Cycle Fatigue***8221; ***8211; a failure that occurs after a relatively large number of cycles. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. May 27, 2012 · I have BMW e46 316i n42, about a week ago now I noticed a knocking sound seems to becoming from the tappet when the engine is hot at idle. but by calculation it means it must be diff output side to wheel. The two main issues could be the Rear Differential Mar 7, 2022 · Subscribe!The e46 M3 is notorious for rear end noises from the diff differential during u turns or tight corners. It happens when you p Nov 6, 2010 · 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. So i went ahead and got it replaced. I found the noise to be coming from the rear sway bar. Apr 1, 2012 · I took timings of the knocking noise to isolate position by working out wheel RPM at certain speeds. I'm woundering it could be the diff Jul 26, 2007 · Re-enforcement plates are available at BavAuto, among other BMW parts shops. It looks like the suspension from compact/coupe is mostly identical. A knock means that the RSM has probably failed and the upper mount of the shock is just knocking around freely. The following has be replaced so far:-Springs (OE BMW)-Shocks (Bilstein B4, Meyle HD RSM's, Z3 reinforcement plates)-RTAB's (Lemforder w/ FCP Limiters)-Differential Bushings (OE BMW w/ new hardware) Jul 18, 2009 · Basically the problem i am having is when i drive and change from gear to gear, I can hear this knock noise coming from the rear of the car. 37When strain is put on the driveline you hear a clunk. Jan 15, 2014 · I have a 2001 e46 330i, there is a somewhat consistent dull knocking noise whenever I decelerate and sometimes when I accelerate at low rpm (2k rpm) coming from the rear. The mechanic opened the top to check for any broken tappet but seems to be okay. Our car has 114,000 miles so your car may not have the same issues. It sounds like a dull knocking / popping noise. Have your mechanic check the rear coil springs too. (SOLVED) Loud banging noise coming from rear when accelerating and reversing So I've seen on a lot of online forums where people address this issue. When I take of in first it clicks, when I slow down it clicks, and if I jab at the gas it will click once from the rear end going down, and again when the nose of the car goes down when I let off. It is all stock with 60K. com. 20 0. When reinstalled it start knocking I have then changed the arm bushing part n Nov 11, 2016 · IT WAS THE OUTPUT FLANGE ON THE DIFFClunks in the video @ 0. Apr 14, 2013 · Current BMW's 2013 328i Sport Line, Mineral Grey 2013 X5 35d, Alpine White w/ Oyster Leather Retired 2011 X5 35d 2010 328i 2008 X5 35i 2006 325i 2002 X5 3. The bar is rubbing and knocking against the metal mounts. Much better but still knocking. (RSM fixed noises due to car bouncing up and down, I now have knocking when car wobbles from side to side and at high speed). I am posting this hoping it might help someone else who is chasing the same noise. The type of bushing in your car is easily identified by simply crawling under the rear end and having a look. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 20, 2022 · My car makes a knocking noise from the right rear when i start speeding in 2th and 3th gear at full throttle. Anyway, i took it to a garage who said that it could be the front wish bones and bushes. i have also placed a I took it in to the dealer today and he put the car up on a lift. Feb 24, 2010 · Hi guys, need some help. Any help please? Dec 6, 2015 · A random, but horrifically evident, "knocking/thumping" sound has begun to originate from the rear of my E46 This happens whenever the clutch is let out in any manner that isn't painfully slow and gentle. Replaced rear shocks, springs, shock mounts, trailing arm bushings, checked subframe to no avail. Checked my rear springs and they aren't broken. I noticed the bushings to be slightly worn so I switched left to right and lubricated them while I wait for the new ones to come in. Dec 30, 2017 · So I start noticing a clicking/tapping noise at the rear wheel of my x5 , tried changed the brake pad but the sound still didn't go away. Increasing the magnitude of the strain will decrease the number of cycles needed to produce a failure. The issue has to deal with the clutch packs Jul 2, 2008 · Suspension knocking noise Our 2000 323I had the same clunking noise at low speeds too. May 9, 2013 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Also when my car starts cold it's reallt tappity and then goes after a Jan 3, 2021 · Here's the problem, I have a knocking noise coming from the rear left. Silent on perfectly smooth roads but present at any road imperfection. 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 Jun 14, 2016 · This video will show you the source of the Clunking or Thumping sound from the rear end of your BMW E46. if it had been 2. 33 0. there's a slight knocking or squeak in back: As mentioned above, there is probably a problem with the RSM. Aug 14, 2011 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Jun 26, 2007 · Soyme, I***8217;ve never driven an auto E46, but I imagine symptoms due to a failed rear diff bushing might be similar. Feb 21, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Jul 15, 2014 · A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. It appears when I put some gas in first and second at low speed. So I put it up on a lift and had someone accelerate and found the issue to be the Differential mounting bushings were very worn and the mounting hardware inside the bushings was moving hitting either the top or bottom of the mounting sleeve. I ordered new links from Bavauto. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! It felt like my entire rear subframe was moving each time I accelerated or reversed. I've got a knocking noise from the rear underbody of my 318i E46. comparing knocking frequency with wheel speed equaled one knock per rev. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. But there are certainly other things that could be causing your clunk. About four weeks ago I sold my 05 ZSP 330I and bought an 05 ZHP 330I. I checked my rear shock mounts which look good. Oct 9, 2023 · Thanks for the suggestion 4aceman. 0i Jun 14, 2016 · This video will show you the source of the Clunking or Thumping sound from the rear end of your BMW E46. Turns out the sway bar links in the front and rear were worn. Sounds much like a pop from a base box speaker (Best that i can describe). Feb 21, 2008 · So I have this annoying knock/rattle from the rear of the car over sharp bumps and cracks in the road. I have new shock absorbers , springs and control arm bushings. Feb 5, 2008 · I already replaced my rear shock mounts but this didn't completely cure the knocking sounds from the back of my car. E39 (1997 - 2003) E46 Jun 19, 2011 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Nov 18, 2023 · A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Just last night I started getting a knocking, or clicking noise from the rear end when load is transferred front to rear. 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. 26 0. They always assume it is the subframe but I had this exact same problem and my subframe was reinforced less than 10,000 miles ago. He then turned the rear wheels back and forth with his hand and the exact sound can be heard in the center of the underbody underneath the driver/passenger seat. 17 0. The two main issues could be the Rear Differential Aug 12, 2010 · Car is a 2002 M3. The SA told me the sound is normal (as usual), but it seems the rear wheels have more play than usual. Same knocking noise as a diff bushing It first appeared when I dropped the whole rear end for some brake job. Sounds like an exhaust hitting the body but i've checked and it;s not that. It's tricky becaue it doesnt happen all the time, or particularly over bumps, accelerating, cornering etc. Ours were broken and had to be replaced. Very clean and well taken care of. I have changed the oil and the filter 2 days but the sound is there. Content on E46 Fanatics Forum is generated by its users. Finally took it to the dealer and they told me it was my PBR/Axxis ultimate pads rattling in the calipers since they're "smaller" than OEM. I have had the car up in the air again and had a look at the RTABs, the front bush that mounts to the chassis moves around a little when my brother wiggles the rear wheels, more so on the passengers side, so that does seem to be the cause of the knocking from the rear. Only makes it if u press the gas pedal fully, if u push it gently nothing happens. ywz nwtye fnxpxog agkfx zqrhaw xgdqr wigqrsox srmh ausr rjpd