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Power loss / surge 1979 528i

Posted: Mon Jun 21, 2010 2:49 pm
by mkachmer
Car drives fine some days but other days it will begin to lose power while accelerating and then recover and surge forward repeatedly. Not sure what the problem is.... o2 sensor maybe?

Any help would be greatly appreciated.

Surge

Posted: Sun Jun 27, 2010 9:14 pm
by BradInTexas
When my son's 1980 had this problem, it ended up being the connections to the combo relay.