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97 M3 rough idle
Posted to Technical Discussion Forum on 11/5/2016 31 Replies

We have this 1997 BMW M3 Automatic

E36 with S52 engine.

Short version is: what causes low vacuum, higher air flow (maf reading) and a poor idle but runs great?

History: The vehicle came in with a rattle from the vanos unit. We ordered and installed the b... Login to read more.

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car Vehicle Data

1997 BMW M3 3.2L

Engine3.2 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

1997 BMW M3 3.2L

Engine3.2 L
Trans5-speed Automatic (Electronic)