N20 intake diagnosis uses a different engine's test limits — P0171
Current situation: The report refers to a generic BMW procedure without identifying the engine. Also: Background: The engine stumbles more while stopped than w…
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BMW 328i N20
2015 BMW 328i N20: P0171 with an uneven warm idle
The engine stumbles more while stopped than while cruising. 2015 BMW 328i N20, about 71,100 miles. I would rather book one useful diagnostic visit than another…