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      10-27-2021, 11:19 PM   #77
1er_vert
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Drives: 2007 BMW Z4 3.0si; 2010 BMW X6
Join Date: Dec 2015
Location: Palm Desert, CA USA

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The POP is likely a Piezoelectric fuel injector blowing out its ball pintle, while DFI ignition process lit everything up. Its deffo fuel-related.

Guys, religiously run a PEA-based fuel and injector cleaner. I recommend keeping a gallon of Lucas Fuel System Cleaner handy. Below is what happens after only TWO TANKFULS of ARCO 91 Octane "Top Tier" gasoline. Can you say "Reduced Power....":
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2007 BMW Z4 3.0si - Hellrot
2010 BMW X6 M - Space Grey

Last edited by 1er_vert; 10-28-2021 at 12:12 AM..
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