8
questions

For some reason or another, THE radio can turn its self off, the interior light will come on by its self, key will not turn on, the car will not open when one presses the key button.
These problems will come and go without and reason.
Can you help ? Thank you

Transmission rough shifting problems

Are there local tuners who can rebuilt my existing engine and get me a lot more HP/Torque for the same $$$$ ?

this occurs at 110 kph or 70 mph and will hesitate once or twice when going uphill

Want to know if it will be expensive to maintain the E63 for the next couple of years

i noticed while driving

Im looking for a list of required scheduled maintenance for this make and model.