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Old 11-08-2005, 08:38 AM   #1
elester12
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Car shakes while driving....

Hello all! I have just about gone insane with this problem in my car. When I first start the car being cold and get to about 60-65MPH the car feels like its shaking too much. I can feel "tap tap tap tap tap" on the wheel. Now, whats strange is the problem goes away after the cars warmed up. I just had a new manual transmission/clutch installed... I dont know if that has anything to do with it. I know some of you will say check the wheel balance... but I have...twice...they're fine. Others will say check the alignment.. I did that as well! Help! I have an XI i dont know if that may have something to do w/it.
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Old 11-08-2005, 08:41 AM   #2
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Old 11-08-2005, 08:51 AM   #3
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Quote:
Originally Posted by elester12
Hello all! I have just about gone insane with this problem in my car. When I first start the car being cold and get to about 60-65MPH the car feels like its shaking too much. I can feel "tap tap tap tap tap" on the wheel. Now, whats strange is the problem goes away after the cars warmed up. I just had a new manual transmission/clutch installed... I dont know if that has anything to do with it. I know some of you will say check the wheel balance... but I have...twice...they're fine. Others will say check the alignment.. I did that as well! Help! I have an XI i dont know if that may have something to do w/it.
Initially, I would have said check wheel balance. sorry, but bmws are very sensitive equipment, even an ounce out of balance on one wheel can give a vibration at speed. What tire pressure are you running? I use 34/39 F/R on my xi(transfer case requires 5psi bias to the rear). My mom drives a 2002 325xit with 60k miles and it makes a really loud vibration/grinding noise at highway speed but I don't think it's coming from the wheels. I think it's the differentials, which have never had fluid changes(this is a snow-going car so the diffs worked harder than average). I plan to change the diff fluid on my 03 325xi pretty soon..

PS tranny and clutch; break in carefully.
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Old 11-08-2005, 02:27 PM   #4
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get your tires balanced and or alignment.
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Old 11-08-2005, 02:30 PM   #5
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Quote:
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get your tires balanced and or alignment.
Wow, way to actually read the post before responding.
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Old 11-08-2005, 02:32 PM   #6
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Originally Posted by elester12
Others will say check the alignment.. I did that as well! Help! I have an XI i dont know if that may have something to do w/it.
BTW when you get 4 wheel alignment, make sure they use 325xi specs, they are different from all other e46. Make them print you a sheet with the values so you can check their work(also retain it for future reference). they like to just get it in the ok range, tell them you want it closer if they were lazy
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Old 11-08-2005, 05:04 PM   #7
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I love how the guy who wrote i should get an alignment and wheel balance didnt see in my orig. post that I did that already. I went to a BMW dealer.. They told me that the virbration is normal. Normal my butt! I never had them before. --I have OE style 17 wheels and i run whatever the sticker on the door says for the tire pressure... I have no idea whatelse it could be. I'm way out of warrenty so I dont know if its worth taking in
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Old 11-08-2005, 05:17 PM   #8
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bushings?
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Old 11-08-2005, 05:27 PM   #9
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tire

Quote:
Originally Posted by elester12
Hello all! I have just about gone insane with this problem in my car. When I first start the car being cold and get to about 60-65MPH the car feels like its shaking too much. I can feel "tap tap tap tap tap" on the wheel. Now, whats strange is the problem goes away after the cars warmed up. I just had a new manual transmission/clutch installed... I dont know if that has anything to do with it. I know some of you will say check the wheel balance... but I have...twice...they're fine. Others will say check the alignment.. I did that as well! Help! I have an XI i dont know if that may have something to do w/it.
I dont know if it is this simple but my tire air pressure was way too low and I had the shaking problem too. Putting nitrogen in your tires will help also...
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Old 11-08-2005, 05:37 PM   #10
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Originally Posted by elester12
I went to a BMW dealer.. They told me that the virbration is normal. Normal my butt! I never had them before. --I have OE style 17 wheels and i run whatever the sticker on the door says for the tire pressure... I have no idea whatelse it could be. I'm way out of warrenty so I dont know if its worth taking in
I took my xi in to the dealership when it was less then one year old for an unusual sound I had noticed, it was quiet at low speeds and louder and higher frequency at freeway speed. They called me after taking a look at it and said they couldn't replicate the sound. I tell him I'm not deaf, I can hear a vibration, windows up music off, it's very distinct. The tech jumped in the car with me and I drove for 5 minutes and pointed it out, but he said it's not abnormal for BMWs to transmit tire noise. I ask him will it fix it if I change my tires? I was looking forward to losing the contis anyway.. He says "It might.." So a month or two later I blow a tire on the freeway and order a new set of bridgestone re950s(vr) from tirerack. I get them mounted and balanced and the noise is gone. Dissappears for a while when the treads were fresh, but now that they are half-worn the vibration is back. I've had tires rebalanced and regular wheel alignment too, seemed to improve the situation, but I can still hear it especially after a long 200 mile stretch. Thinking of switching to a tire that is known to have quieter qualities, also one that BMW recommends(Michelin, Pirelli, Conti) The Pirelli pzero nero m+s is tempting. This time I'll have wheel works install it though.. goodyear is retarted they know nothing, one guy was road testing my car after rotation-rebalance and I saw him drive it over a speed bump without clutching or even letting off the gas.

I think you should just get a bunch of different people to listen to it, someone will be able to diagnose it. New tires may or may not help.
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Old 11-08-2005, 07:27 PM   #11
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Could be a control arm. I had a severe shake in my wheels and steering wheel if i would hit a bump on the highway or something. Also, when turning into a driveway with a high lip i could hear a clunking sound when the wheel hit the lip. I ended up needing 2 new front control arms to the tune of $1300.
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Old 11-08-2005, 08:17 PM   #12
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shakyness

I agree i had same problem with the control arms and bushings. Check brake disc
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Old 11-08-2005, 09:17 PM   #13
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But its only when its cold...

You all point out great ideas... but why does it ONLY happen when its cold!!! once the car is warmed up..the shaking goes away. The wheel doesnt shake...just the car only when cold. After 4 miles..its gone!
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Old 11-09-2005, 12:07 AM   #14
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Quote:
Originally Posted by elester12
You all point out great ideas... but why does it ONLY happen when its cold!!! once the car is warmed up..the shaking goes away. The wheel doesnt shake...just the car only when cold. After 4 miles..its gone!
Yep I have it too now - my huess is that when it is cols out the rubber in the bushings contract - when the heat up after a bit of driving the rubber expands, thus lessening the effects of your worn bushings....

I am relacing the control arms next week - I am 100% sure that is my issue, as it has gotten worse I have the braking shakes, and skakes at 140 KM/h
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Old 11-09-2005, 12:14 AM   #15
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let me know what happens after replacing them. I dont want to do them if I dont have to (I hear its a pain in the butt)
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Old 11-09-2005, 12:27 AM   #16
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i would say front control arm bushings...i'm about to replace mine....similar problem.
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Old 11-09-2005, 12:36 AM   #17
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differential could be the problem also since u have the Xi
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Old 11-09-2005, 09:23 PM   #18
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hey guys..you know what i noticed today..when i push the clutch in at a high RPM... I get vibration in the clutch (its a new clutch) --i wonder if that has anything to do w/it!
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Old 12-03-2005, 10:53 PM   #19
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Guess what everyone.. I solved the damn problem! I replaced my bushings, control arms, and tires. It was one of those or may be ALL of them... but problem solved!!!
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Old 12-04-2005, 12:13 AM   #20
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my bad on this post, i was in class and the teacher was coming
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