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BMW 650i 2012 Air Mass Issue

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This car have two codes:

Which am trying to resolve, before that it went to other shop, whereby the MAF was changed and plugs were changed to the the 8 cylinder all got misfired. Yet issue still persist.

The driver side Air Mass no issue, I even swap the passenger air flow to the driver side, and took the driver side to the passenger yet problem still exist, at the passenger get side. I checked the power and earth on the passenger side with DVMeter and it’s good, report 12 Volt.

But I don’t know why this error keep coming and causing the engine to display bad idle and most time all cylinder misfire:

Fault code are:
102001- Air mass, plausibility: Air Mass too high - Intermittent
102002- Air mass, plausibility: Air Mass too low. - Intermittent

The car does misfire on all cylinder too when system become warm.

VIN: WBALZ3C53CDL71806

Petrol, V8. America spec.

Thanks for stopping by to read my error codes.

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