BMW 640i xDrive Gran Turismo service by top-rated mechanics at the convenience of your home or office

This is a very broad question with little information to go on. The most common causes of overheating are low coolant or the engine cooling fan clutch since your car has a mechanical fan. More information would be required to...

Hello there. Thanks for writing in about your 2003 BMW 745i. Many different faults can cause the vehicle to have bounce like this. The most common would be front struts (https://www.yourmechanic.com/services/strut-assembly-replacement), springs (https://www.yourmechanic.com/services/air-springs-replacement), tire balance, or a suspension arm. I...

Hi there - if the brake rotor is worn below a minimum rotor thickness (stamped on each rotor), then yes, it can be mandatory to replace the rotor. This is for safety reasons. If the rotor is grooved and requires...

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...