Forum: X5 (E53) Forum
07-27-2009, 10:22 PM
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Replies: 41
Views: 16,455
I've been chasing this demon for months. Fault...
I've been chasing this demon for months. Fault code is P0491 (secondary air pump flow bank 1). pump, valve, vacuum hose and solenoid are all good. Tried the seafoam trick (remove secondary air valve...
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Forum: X5 (E53) Forum
07-27-2009, 09:44 PM
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Replies: 9
Views: 2,837
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