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5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

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Old 04-04-2005, 09:56 PM   #1 (permalink)
Join Date: Feb 2005
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Hi all,
Just wondering what, if any, noises your 540 engine makes. mine is a 99 540IA with 85k miles on it. Mine once warm and at idle has a ever so slight valve tap noise.....AND a more bothering deeper(but not too bad) slow tick or knock only audible from the front wheel wells or under car. i just assume BMW to be ultra quiet, just wondering if there is anything to worry about. Thanx, Nick
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Old 04-05-2005, 05:31 AM   #2 (permalink)
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GILLES is an unknown quantity at this point
Your 540 sounds normal to me.
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Old 04-05-2005, 09:08 PM   #3 (permalink)
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I have a '99 540/6 with 110K miles and I think you are experiencing normal noise for that motor. I heard somewhere (probably on the Roadfly forum) that there was actually a TSB regarding the "rod knock" type of noise in the V8 and that it is normal. If you really listen closely, my car at idle, particularly with the A/C compressor on, sounds a little like an old WWII submarine under water, but once the revs go up the sweet music begins...
<span style='colorurple'>Eric S.</span>
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