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Rough after acceleration

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Hunter
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Rough after acceleration

Post by Hunter » Tue Oct 23, 2018 2:19 pm

Just recently my 35is had started to run really rough after hard acceleration. The engine management light came on and stayed like that until I turned the ignition off then on again, at which point all would be fine again. Anyway, to cut a long story short, it was a coil pack causing the problem...so offending item replaced and all is well in E89 world once more. On the plus side, the more gentle driving style it forced me into increased my MPG to 36.6 over 280 miles.........
E89 S Drive 35iS

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Lynchy
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Rough after acceleration

Post by Lynchy » Tue Oct 23, 2018 2:51 pm

" gentle driving " That won't last long :wink:

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