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      07-03-2022, 02:54 PM   #51
hi rpm
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Drives: 2013 335i xDrive Coupe
Join Date: Sep 2017
Location: USA

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Thanks for the DIY, I followed it closely. One additional thing I had to do was remove the passenger windshield cowl support, to the left of the plastic strut bar guide if you're looking at the engine bay from the front. I did that after getting the old VC out using a lot of upward force, and installing the new one wasn't happening. It was trivial after removing this though. Two "hidden" 10mm, a nut near car center (through air vent) and a bolt passenger side (under rubber rainguard).

I also preseated the gasket with sealant, used the red caulk saver tips someone recommended to cover fuel lines, and sawed off 1/8" of the electrical box tab that gets in the way.

I do have a question someone might be able to answer: If I rev the engine to around 3k and quickly let off the pedal, there's one thump similar to a misfire, or something restricting the drivetrain, which it didn't do before the VC change. Only one, every time, and it doesn't happen otherwise so far. No codes or other problems. Is it a new VC/PCV thing or something wrong? Edit: Must be a new VC/PCV thing because it doesn't really do it anymore after several days.

Last edited by hi rpm; 07-15-2022 at 06:08 AM..
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