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

Hello, thanks for writing in. The coolant temperature code can be due to low coolant or a failure in the thermostat. Most of the time this is a thermostat issue (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-thermostat). As for the misfire problem (https://www.yourmechanic.com/article/how-can-problems-with-the-ignition-system-cause-misfiring_2), it is common...

Ignition coils (https://www.yourmechanic.com/services/ignition-coil-replacement) can be individually replaced without concern as to engine operation however fuel injectors are a different matter. If you replace one fuel injector, the other 7 fuel injectors should be removed from the fuel rail and professionally...

Hello. It sounds like the motor that moves the top is failing. When the electric motor fails, this will occur. I usually start by scanning the computer for codes to see if anything comes up. If not, then I apply...

Antifreeze for the vehicle needs to be safe for aluminum radiators or you will have problems of corrosion and metal damage if it is not safe for use in the aluminium radiator cores and heater cores. When you purchase the...