BimmerFest BMW Forum banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-1 of 1 Results
  1. X5 E53 (1999 - 2006)
    So two years ago, I had kept getting repairs and doing multiple drive cycles. Finally it ended up being a secondary mass airflow relay. And then it passed smog. Now it***8217;s time for smog again, engine light is on. Same code***8230; Secondary mass airflow sensor. But on the professional code...
1-1 of 1 Results