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

It sounds like your starter motor could be overheating. If the starter overheats, this can cause it to malfunction. I would recommend having your starter inspected and replaced as necessary by a certified mechanic. Once you have a new starter,...

The threads are not in the rotor itself, the threads are in the hub that the rotor rides on. But you're right that you can do the job more efficiently when you work on the brakes. The rotor has to...

Check to ensure that you installed the correct spark plugs and they match the ones you took out. The new replacement plugs should be iridium type and will last up to 100000 miles. If you put in the incorrect plugs,...

P0170 and 173 indicate that your fuel mixture is off. The ECU tries to compensate, but the error is so large that it cant make the correction. It can be caused by a Mass Air Flow sensor, but there could...