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International Automotive Technicians Network
Re: lean codes rich problem
Posted to Technical Discussion Forum on 2/16/2018

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Sounds like you were viewing BMW data, rather than OBDII, so the MAF would have most likely been reported in kg/h.

Here is a screenshot of some known good values for a 3.0L M54:

[BMW 3.0L M54 know... Login to read more.

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