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Not so smooth running

Discuss problems you have had or are having with your Z4
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S19tty
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Joined: Sat Mar 03, 2018 6:02 pm

Not so smooth running

Post by S19tty » Sun Oct 28, 2018 4:31 pm

Hi all

I have 2007 E86 3.0si with the N52 engine
Noticed that I had been losing mpg recently, now at 25mpg from 30mpg and the the sound of the engine had changed.
Got a diagnostic on it today and in the Smooth Running Values had Cylinder 5 going between -3000 and 3000 all others were in the right range.
What would be my best course of action to resolve?
2007 Z4 Coupe. Sapphire black. CSL style 18s. Angel & Demon eyes
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