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      11-30-2020, 04:28 PM   #6
mehrlovin
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Drives: 2007 328xi E90
Join Date: Sep 2019
Location: Vienna, Virginia

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That's a great threat but I have no whistling noise, the VCG and PCV are new as is the MAF. Injectors are cleaned up too. I may try to replace the MAF with a OE one and see if that works. I got a BAMPIC one which was cheaper but it should be ok.