strange grinding sounds...

Specific conversations and info for the BMW E28 M5 and M535i.
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devin in tampa
Posts: 155
Joined: Feb 12, 2006 12:00 PM
Location: Tampa, FL

Post by devin in tampa »

are eminating from under the hood. of the M5. They are especially pronounced when the car is cold and when i turn the wheel. when the car warms up, all is well with the world. belts appear to be tight. possible bearing shot? this car has to be pissed off b/c i just don't drive it enough! any thoughts appreciated & thanks in advance!
Tim in N FL
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Joined: Feb 12, 2006 12:00 PM
Location: North Central Florida, USA
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Post by Tim in N FL »

Devin,
Needless to say, do not run or drive the car until you know what the source of the problem is...
Who do you entrust your ///M5 to for servicing? You may need to have it flat-bedded to the
shop just to be safe. Sorry if this is patently obvious...just trying to be helpful ;)
Best,
Tim
the Tanned One
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Joined: Feb 12, 2006 12:00 PM
Location: Tampa Bay area in Fla.

Post by the Tanned One »

try changing the power steering filter ?? Randy/ :cool:
Rich Euro M5
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Joined: Mar 10, 2006 6:20 AM
Location: Klein, Texas

Post by Rich Euro M5 »

[QUOTE="the Tanned One"]try changing the power steering filter ?? Randy/ :cool: [/QUOTE]

Is the sound a rattling noise at startup that goes away from 10-30sec after startup ? ~0

If you hear this, don't even start the car, plan on having to service the timing chain, tensioner, guides, etc.

Or is it more of a groaning sound, that becomes more pronounced when you turn the steering wheel ? (@) Service the the Hydroboost system, do what Randy said.

Rich
devin in tampa
Posts: 155
Joined: Feb 12, 2006 12:00 PM
Location: Tampa, FL

Post by devin in tampa »

nothing major - a bit low on fluid. filter may need a change as well. thanks for the tips.
the Tanned One
Posts: 2725
Joined: Feb 12, 2006 12:00 PM
Location: Tampa Bay area in Fla.

Post by the Tanned One »

Devin , glad it was something simple & not big $$$ Randy/ :cool:
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