BMW X5 P Codes (Powertrain) P1100 - P1199

Hi Guys, I Used To Have: P0171/p0174 Which Are Lean Condition, But Right After I Changed My (fuel Filter To A Brand New One, I Cleared The...

While The Engine Is Running Smoothly, I Pulled Out The Plug From The Air Mass Sensor And The Car Stalled On Me Like It Was About To Die. But...

After Replacing (egr Valve) And Clean The (maf) Car Running Ok, But After Driving 3 Miles Service Engine Light Come On Again With Different...