Bmw N55 Air Mass Too High

> Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > 435i (n55) air mass too high plus jerky gear shifts Thread Tools Bookmarks twitter Facebook Digg Google StumbleUpon del.icio.us My Yahoo! I have a 2012 F10 with an N55. All stock, no upgrades.

I know, boring. Its a daily driver so i just need it to run good for me. I keep getting a check engine light.

Codes Ive pulled are 101F01 (Air mass system, plausabilty. Calculated air masses in the air intake system no plausible), 102001 (Air mass plausibility. Air mass too high), 108A01 (Charge-air temperature sensor, electrical: short.

The air mass plausibility fault is caused by the scored camshaft. Only way to fix this fault is by replacing the cylinder head. We replaced many cylinder heads at the dealership because of this fault.

The BMW 2774 code, "Air mass, plausibility: air mass too high," signifies that the engine control unit (ECU) has detected an abnormal air mass flow compared to the expected values. Customer: I own a 2011 vehicle with the N55 engine, and it keeps throwing code: 28A0 persistently, followed by 2BEA. The description for code 28A0 states, "Air mass system, plausibility: calculated air masses in the air intake system implausible." This code appeared after I replaced the valve cover.

Code 2BEA indicates, "Mixture control, fuel-air mixture too lean, deviation large. Explore common problems with the BMW N55 engine, their symptoms, and effective solutions to maintain performance and reliability. « Previous Thread Next Thread Help please, Error Code 102001 Air mass too high.

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