Slight engine rattle
#31
New Members
Joined: Dec 2013
Posts: 7
Likes: 0
From: Fl
My Ride: Black, sport pkg LA style rims, sun shade on rear passengers and rear glass, 6disc changer,
Hi all,
I just wanted to return to update the thread. So I had my mechanic replace the a/c compressor which was covered under my extended warranty. He also went ahead and changed the water pumps, belts, and repair my coolant pipe(sits above the engine). The pipe was causing coolant leakage and puddles when parked.
The car runs puurrrfect now...no rattling/loose chain sounds to drive me crazy at the light......
Hope this could be your issues also.
04 545i Sport Pkg.
I just wanted to return to update the thread. So I had my mechanic replace the a/c compressor which was covered under my extended warranty. He also went ahead and changed the water pumps, belts, and repair my coolant pipe(sits above the engine). The pipe was causing coolant leakage and puddles when parked.
The car runs puurrrfect now...no rattling/loose chain sounds to drive me crazy at the light......
Hope this could be your issues also.
04 545i Sport Pkg.
#32
New Members
Joined: Mar 2015
Posts: 4
Likes: 1
From: Sherman, CT
My Ride: 2004 545i Sport Package 6-Speed Manual
Wow, im going to see if turning on the AC makes a difference in my 545. Its been pretty chilly, since I purchased the car in JAN. Just out of curiosity, and for the sake of finding out if this really is what causes the rattle, would cutting the AC belt, and running it like that stop the rattle? I could do without AC until the weather gets warmer, if I can get rid of this damn noise. Unless that'd be hazardous to the overall welfare of the car...
Whoever described it as an almost diesel engine type noise, EXACTLY describes how mine sounds. No rattle once rpms are over about 700. Its especially noticeable when I'm in a drive-thru or stopped next to another car.
Whoever described it as an almost diesel engine type noise, EXACTLY describes how mine sounds. No rattle once rpms are over about 700. Its especially noticeable when I'm in a drive-thru or stopped next to another car.
#33
Just to follow up on my last post, I believe the rattling sound I was hearing were the bearings in my water pump, it blew on me while driving on the freeway. Thankfully I wasn't on any curvy roads, because I completely lost power steering, and had a hell of a time getting the car off the freeway and into the parking lot at work. After replacing my water pump, the rattling sound was gone, and has been for about 300 miles.
#34
I have a M54, saw the AC compressor pulley/ clutch moving in and out of belt alignment, Mine is a Loud rattle when idle, but once I was on the road it seemed to calm down. AC is fine. Going to tear it down this weekend...and see what I come up with.
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