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by allisong
Thu 16 Nov, 2017 10:12
Forum: Z3 roadster
Topic: M44 Idle Speed - Proper Fix!
Replies: 2
Views: 2090

M44 Idle Speed - Proper Fix!

My Z3 with the M44 engine (24k miles only) idles at 800 rpm (from INPA reading) and is “as usual” for these engines a bit lumpy and a little bit prone to stalling. The BMW fix for this is to retard the exhaust cam by 6 degrees, but this takes off 4 Hp and some torque. I noticed that the engine idles...