BMW X5 P CODES (POWERTRAIN)

Which Is A: Secondary Air Injection Switching Valve A Circuit Malfunction. Now, I Wonder Should I Replace The Air Pump Only Or The Shut-...

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....

Hi I Have A 3 Fouls Codes At The Time They Are P0012 P0015 P100 And I Know What They Min But I Like To Know Which Sensor Do I Have To...

Car Just Had Valve Cover Changed Now Check Engine Light On And It Is Reading Two Codes; 201/203. Everything Installed Back Correctly Even...

35d X5, There Are Codes P207f And P20ee, Also A Message On The Cluster Which Says No Start In 51 Miles. Also, Previously Had The Message...