Yes - performed a compression test two months ago (when issue started). All cylinders were within 5% of each other (~160 psi I believe was the norm). I replaced the MAF with a used OEM unit out of another E53 3.0i that was known to have no issue. I did not replace it with a brand new unit in trying to figure this issue out.
Just FYI - this truck is throwing misfire codes (P0300 through P0306) for all cylinders at the same time. No other codes are thrown.
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2006 X5 3.0i 6MT
2004 ///M3 Coupe 6MT
1997 ///M3 Coupe 5MT
2015 X3 2.8i xDrive
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