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      01-06-2013, 11:44 AM   #33
ManiacGT
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Drives: Z4 sDrive 35i
Join Date: Jan 2011
Location: Manchester, UK

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So.. The plot continues..

After fully disassembling the roll hoops and rear deck.. The rattle persists.

I've felted all contact surfaces on the rear deck and hoops, to no avail.

So I had someone else drive the car while I sat in the passenger seat to track down the noise.

There was no noise.

So I've now figured out that a passenger will stop (or at least 90%) the noise.

First thing I thought of was the seat. So I moved and tilted the seat fully forward and took the car back out for a drive.

The noise appears to be coming from somewhere near the belt point/speaker cover in the back. I've pressed and moved all the panels here and nothing makes a noise so I'm now thinking that a plastic panel or something behind it near the belt feed is where I'll look next. I can only think that someone in the passenger seat is moving carpet or trim just a tiny amount to stop the noise or its related to the seat belt (though the noise persists if there is no passenger and the seatbelt is buckled. That or it is the seat and it just doesn't sound like it.

Driving me nuts!
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