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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #326  
Old 01-13-2013, 10:57 PM
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TRaV MaNN TRaV MaNN is offline
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Put this here too.

Anyone ever have an issue with their rear brake shield rubbing against the caliper?


Got these weird noise that started from the rear wheel(mostly passenger, but a little driver side but it's not as loud or persistent) as soon as a lowered the car about 1/4", and I also added reinforcement plate to the RSM's. Sounds like I'm rubbing on something almost, and it is directly related to speed. Was thinking bearing, but I didn't hear anything before the lowering process, and if I wobble the tire there is no play. Suspension was already installed and no settings were changed, just turned the coil down a little. Tires were taken off and there are no signs of tire rub at all. Not felt in the car or steering wheel at all.


So, weird rubbing sound related to speed, no tire rub. Came after lowering a little, and put Turner reiforcement plates on the RSM. Only noise, no vibration. No play in wheel.


Maybe the e-brake adjuster got tweaked from the lowering? Or maybe the shield got put against the rotor? Porbbaly going to pull the rotor tomorrow night to check for signs of the shield rubbing against the rotor. Haven't got an alignment yet, was waiting until I got the ride height really hammered out before I did that.


So where would you start?
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  #327  
Old 01-14-2013, 12:28 PM
GeorgeBush234 GeorgeBush234 is offline
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gangsta ****
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  #328  
Old 01-14-2013, 01:42 PM
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B_Rad_M3 B_Rad_M3 is offline
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Quote:
Originally Posted by TRaV MaNN View Post
Put this here too.

Anyone ever have an issue with their rear brake shield rubbing against the caliper?


Got these weird noise that started from the rear wheel(mostly passenger, but a little driver side but it's not as loud or persistent) as soon as a lowered the car about 1/4", and I also added reinforcement plate to the RSM's. Sounds like I'm rubbing on something almost, and it is directly related to speed. Was thinking bearing, but I didn't hear anything before the lowering process, and if I wobble the tire there is no play. Suspension was already installed and no settings were changed, just turned the coil down a little. Tires were taken off and there are no signs of tire rub at all. Not felt in the car or steering wheel at all.


So, weird rubbing sound related to speed, no tire rub. Came after lowering a little, and put Turner reiforcement plates on the RSM. Only noise, no vibration. No play in wheel.


Maybe the e-brake adjuster got tweaked from the lowering? Or maybe the shield got put against the rotor? Porbbaly going to pull the rotor tomorrow night to check for signs of the shield rubbing against the rotor. Haven't got an alignment yet, was waiting until I got the ride height really hammered out before I did that.


So where would you start?
I happen to have the same issue, but with the front passenger wheels, I hear a constant clicking and sometimes grinding noise...

But does not do it all the time, I removed the wheel, pull the brake shield forward and drove again, seemed to go away, but then last night happened again...

All this happened after I lowered the car... Idk where to look anymore
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  #329  
Old 01-14-2013, 06:54 PM
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TRaV MaNN TRaV MaNN is offline
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For searchers.

My problem was that I had one lug bolt that was barely too long and it was scraping against the parking brake. Took it out and no noise.

Off to the dealer tomorrow for a replacement.
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  #330  
Old 01-15-2013, 03:33 PM
GeorgeBush234 GeorgeBush234 is offline
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Verify that the bolts arent't to corrored otherwise your problem can get really tricky.
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  #331  
Old 01-27-2013, 08:19 AM
biglarry20 biglarry20 is offline
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just purchased a 1997 318i, car needed some work and did most of it my self to correct oil leaks and noises that was caused by the belt tensioner. however I now notice that the exhaust sounds a bit loud when driving checked with the car lot I bought the car from to see if there was a leak. but they told me it was because the exhaust was a aftermarket magna flow. I think that maybe it has something to do with insulation, or maybe the exhaust is touching the body and the sound is being transmitted throughout the interior of the car. does anyone have a take on this? any suggestion as to how to have a quieter interior would be greatly appreciated.
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  #332  
Old 01-27-2013, 09:09 AM
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Quote:
Originally Posted by biglarry20 View Post
just purchased a 1997 318i, car needed some work and did most of it my self to correct oil leaks and noises that was caused by the belt tensioner. however I now notice that the exhaust sounds a bit loud when driving checked with the car lot I bought the car from to see if there was a leak. but they told me it was because the exhaust was a aftermarket magna flow. I think that maybe it has something to do with insulation, or maybe the exhaust is touching the body and the sound is being transmitted throughout the interior of the car. does anyone have a take on this? any suggestion as to how to have a quieter interior would be greatly appreciated.
Dynamat.

B-Quiet. (1/2 the price for 80% of the qualities).

Install and money.
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  #333  
Old 01-27-2013, 05:02 PM
Alan777 Alan777 is offline
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Jack it up, check to see if it's rubbing the body anywhere. Otherwise it could just be a noisey muffler(i've never heard magnaflow on e36's). Dynamat helps a bit, but you could always switch the muffler out. I used "hushmat" when I did my vette. Easy to use and cheaper than dynamat
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  #334  
Old 03-02-2013, 02:50 PM
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OK, I'm hearing a single clunk/pop from the rear end when torque gets applied to the drivetrain. It's especially loud from a dead stop right after engaging the clutch, but I can also reproduce it to a lesser degree by hitting the gas at lower speeds or sometimes downshifting. It sounds more like its coming from the passenger side, but I'm not 100% on that.

I just picked it up a little over a week ago after having the suspension completely overhauled, including the sub-frame mounts, diff mount, etc. All of the mounting points on the chassis for the sub-frame and rear shocks were in solid shape. Everything was feeling great up until last night when I started hearing this banging noise.

Both the guys from the shop I've been dealing with with are out of town until early next week, so I figured I'd post something on here in the meantime. Anyone have any thoughts about what's causing this? Should I be driving this thing at all until I figure out what's wrong?
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  #335  
Old 03-02-2013, 03:22 PM
JayMac JayMac is offline
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Straight line? Turning? I had a clunking noise that turned out to be the camber bolts. I would hear the noise when I loaded up the suspension. It would only do it once. Check your flex disc and you tranny mounts. Both easy to check and to replace. Do you have access to a lift. If so get the rear wheels off the ground and turn the drive shaft each way to check for play. You might hear a slight clunk there. Start slow check the things you can. I had another clunk I thought was the rear end but it was the shaft. SAFETY FIRST
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  #336  
Old 03-26-2013, 11:01 AM
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dtownmikebrown dtownmikebrown is offline
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Originally Posted by JayMac View Post
Straight line? Turning? I had a clunking noise that turned out to be the camber bolts. I would hear the noise when I loaded up the suspension. It would only do it once. Check your flex disc and you tranny mounts. Both easy to check and to replace. Do you have access to a lift. If so get the rear wheels off the ground and turn the drive shaft each way to check for play. You might hear a slight clunk there. Start slow check the things you can. I had another clunk I thought was the rear end but it was the shaft. SAFETY FIRST
You called it. It turns out someone did some suspension work back there before I owned it, and they installed some bolts that were the wrong size. They were too thin and the slack it created inside the surrounding bushing was causing things to move around. I got the right ones installed and that took care of it.
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  #337  
Old 03-26-2013, 11:15 AM
JayMac JayMac is offline
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Good for you. Glad to share.
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  #338  
Old 05-05-2013, 09:45 AM
wilkins325is wilkins325is is offline
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Re: Sounds From the Rear: Explained

I'm getting a slight pop sound when I really get into it. Its not a continuous sound only when I first let the clutch out at an above average rpm. I've replace shock and shockmount. It fixed it the majority of the sound. But its still there. Is there anything else this could possibly be?

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  #339  
Old 05-05-2013, 10:54 AM
JayMac JayMac is offline
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Trailing arm bushing, camber bolts, drive shaft brace.
Is it just when you let out the clutch or can you get it to make the sound if you hit it in a low gear. You need to do some more research and report back. If something is unloaded it might only happen once and then not make a sound. I would look at the brace and flex disc first and see waht you can come up with. Any vibration or just the pop?
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  #340  
Old 05-05-2013, 11:03 AM
wilkins325is wilkins325is is offline
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Re: Sounds From the Rear: Explained

Ok thank you. I'll look into those. But not getting a vibration. Wheel bearring in the rear just started humming which I'm going to replace it now. But the pop was there before the humming.

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  #341  
Old 05-05-2013, 11:03 AM
wilkins325is wilkins325is is offline
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Re: Sounds From the Rear: Explained

It does do it when I do a rolling start.

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  #342  
Old 05-05-2013, 11:08 AM
JayMac JayMac is offline
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An often overlooked is the camber bolt. I spent a ton of time and cash looking for something and then it turned out to be that bolts. If you are comforatble doing it you can check your bolts and rtab when you change the bearings. Start simple and check the flex disc and center brace.
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  #343  
Old 05-05-2013, 11:17 AM
wilkins325is wilkins325is is offline
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Re: Sounds From the Rear: Explained

Will do. I do all my own work. Been to school. This is my first BMW so its all new to me. Just doing research before I jump into it.

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  #344  
Old 05-05-2013, 11:34 AM
JayMac JayMac is offline
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It sounds like you are having the same issue that Downtown had. My bolts were oem but very rusted and worn.
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  #345  
Old 08-05-2013, 03:41 AM
juliemaree888 juliemaree888 is offline
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Hi all, this is my first ever post, so please be gentle. I have recently purchased a 1991 320i with 12900kms on her. Amazing car to drive. The only thing that is really annoying me at the moment is a thumping noise from the drivers rear on braking. My mechanic has had the car for three days now, the discs are fine, the pads have heaps of grip left on them, there is nothing wrong with the bearings either (that was his main concern). He took it for a drive around town, and couldnt hear the noise. I find once I have been open road driving and have to enter town driving and brake at traffic lights it happens then. Brakes applied, thump thump thump thump, car stops. Drive off, no noise, next set of traffic lights or braking to stop and it happens again. I am a little stressed as I miss my car, apparently it is being put back together for me to drive tomorrow with my mechanic so he can see how I drive and also if he can pick up the noise. I just dont understand how hard it can be to diagnose a thump. Please help......
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  #346  
Old 08-05-2013, 06:32 AM
JayMac JayMac is offline
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When you here the noise, do you feel anything? Vibration pounding anything? Could be any of you dif mounts. Something is worn and when you are braking it's geometry is changing. Are you sure it is from the rear. Most braking is done by the fronts. Over twenty year old car stuff dries and get brittle. Could be a warped rotor also. Start slow and think it through.
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  #347  
Old 08-08-2013, 03:14 PM
juliemaree888 juliemaree888 is offline
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Re: Sounds From the Rear: Explained

My mechanic and I went out for a drive. The thumping noise didn't happen. But I can now hear my diff whining. He believes the other noises I could hear are all related to the diff needing repairs. I am happy with that diagnosis as after reading these forums and talking to a few people that own BMW's it seems to definitely make sense.

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  #348  
Old 08-08-2013, 05:23 PM
JayMac JayMac is offline
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Your sure it is the dif and not just the road noise from your tires? Out of curiosity do you know when the dif lube was last changed?
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  #349  
Old 08-09-2013, 02:41 AM
juliemaree888 juliemaree888 is offline
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Re: Sounds From the Rear: Explained

Diff lube was changed four thousand kilometers ago. The types do make some road noise, but there is also a distinctive whining coming from the diff area. It has also developed a leak as well.

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  #350  
Old 10-14-2013, 12:54 PM
97E36BMW 97E36BMW is offline
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Rear End Noise

I have replaced my Guibo, Driveshaft, and CV Axles. I am still getting a horrible vibration/growl noise as soon as I get to 45+ mph I have listened to my wheel bearings and no noise from them. Could the rear diff be making that noise?
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