Quote:
Originally Posted by JM98
OEM Bosch plugs with OEM coils running E40 FBO for 15k Miles without issue. Didn't find a need to change up plugs/coils on stock turbos.
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I was running Bosch OEM FBO for 13k, 2k on e30 no problems until recently I got a misfire and not smooth idle, hence the switch up. Not sure if that's due to that wear of the plugs or not but I thought I'd take the plunge considering going beyond FBO e30.