How to Clean the MAF Sensor on your BMW E60 M5
Other times, the car would stall idling, making another couple of grey hairs appear on the back of your neck, making living with your beautiful S85 engine and its 10-cylinder proper hell.
Other symptoms include a series of flashing lights in the dash and a lot of errors when testing it properly. In case that has happened to your car, don't worry, we have an easy fix for you.
The problem is the Mass Air Flow sensor that usually gets covered in all kinds of dirt and stuff and malfunctions. Now, the S85 engine has 2 two of them, one for each bank so replacing them might be quite costly.
The best solution is just to clean them up. In that regard all you need to do is follow this DIY and in 20-30 minutes your car will feel brand new. You'll just need a screw driver, a cane of CRC electronics cleaner and a cloth to clean it up.