BMW 740 Air Pump

There Is Whistling Sound To Front-passenger Side Of The Car Where The Air Pump Is.. Also When I Start The Car After Restinng For A Couple...

Start Hearing A Loud Squealing Noise Which I Thought Was A Dry Belt. Noise Only Starts If I Accellerate And Stops If I Give The Pedal A...

A Failed Smog Check With The Air Injection Result Showing Failed And Faults Codes Showing Misfire Detected For Cylinder#3, #6, #5, #2. How...

My Brother Has A 1997 Bmw 740il With 130000 On It And It Looks And Runs Like New And He Does Not Live Near By So I Can Take A Look At His...