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I just had some work done to my 95 850 T by the dealer I bought the car from. This included rear main seal, lower engine mount, timing belt and atf flush. I am now noticing a high pitched squeak from the turbo area when I approach 4500 to 5000 rpms. This happens right before the transmission shifts gears when in sport mode. I have noticed much greater acceleration response after the ATF flush. Is there more strain on the turbo now?
Is this a turbo problem or something to do with the new timing belt? I know my air filter needs to be replaced. Would this have anything to do with it?
Any advice would be greatly appreciated.
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