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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > BMW E91 318i fault code 003071 - Cylinder balancer?



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      10-16-2018, 08:29 AM   #1
Bmw330
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BMW E91 318i fault code 003071 - Cylinder balancer?

Car stated running a little lumpy at low RPM and more so when cold, no fault codes on dash but has 003071 Cylinder balancing on uneven cylinder fault code stored, can’t seem to find any reference to that code online to figure out what to change. Dropped some new plugs in and swapped two of the coil packs around, fault code hasnt come back but still runs lumpy.

Could this be a dodgy injector although in the past this has brought up a misfire code ....

Any ideas?

Last edited by Bmw330; 10-19-2018 at 02:30 AM..
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