I took my baby home from my dad's house, approx 20-40 mins away from my house
I parked in my garage and switched the engine off and had a panic attack because i started hearing a loud hissing air leak (like a tire flattening) that i was unsure about, and it wouldn't stop, knowing...
Just had the check engine light come on in my 02 325 XI and had it plugged in at autozone . 2 codes came up .
1.) P0492 secondary air injection system (bank 2)
2.) P0491 secondary air injection system (bank 1 )
The code reader recommended that the likely solution is the replace the smog pump...