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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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Old 09-19-2015, 10:06 PM
thetrance thetrance is offline
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Location: AB, Canada
Join Date: Jan 2009
Posts: 26
Mein Auto: 2011 550xi
problem with injectors -misfiring

Ive been getting drivetrain malfunction and check engine lights every 1000-2000km since i had the CCP done. Everytime I go in to the dealer, they end up replacing a few injectors (cylinders2, 4 and 8 appear to be the most common - misfiring). This is the 5th time I am going in to have this repaired. My question is, what could be causing the injectors to fail within 1000km every month? fuel pump and spark plugs were replaced last time. their explanation was that the plugs were "carbonized"

Last edited by thetrance; 09-19-2015 at 10:08 PM.
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