BMW 840i xDrive service by top-rated mechanics at the convenience of your home or office

Hi. Consider the weather, as this can change the diagnosis. Hot steam is a product of the operation of the gasoline engine. As the vehicle is running in cold weather, the hot air may be much more noticeable. On a...

Hi, thanks for writing in. Your car ABS system is equipped with wheel speed sensors which monitor wheel speed and relays this information to the computer which tells the ABS system how to react when the car is out of...

The coil melting is the first issue to address. A possible cause of that is the 12 volt primary side supply wire to that coil is shorted to ground due to a pinched wire or other wiring fault. You can...

As with most modern cars, things are more complicated than they seem. The BMW uses a lamp control module to power up the lights. It's not a simple switch-load connection anymore. Among other functions, the lamp control module senses malfunctions...