Yesterday, two days after picking up the car, we got on the highway for our first road trip with it, the car bonged, and drivetrain malfunction: I test drove a 535i v6 twin turbo from a private seller. 2012 Bmw 650i Drive Train Malfunction Issue Bimmerfest Bmw Forum In this guide, you will learn about common problems that cause bmw engine malfunction and diagnose the problem yourself. Drivetrain malfunction bmw 535i . If restarting the engine didn't fix drivetrain malfunction drive moderately, park the vehicle safely and turn off the engine again. What is this gonna cost me to fix if i take it to the dealership? I have been getting a drivetrain malfunction message on the navigation screen but no engine light until today. Just had sudden failure of the valvetronic eccentric shaft and pump. There is no check engine light but i did get the drivetrain malfunction: A d v e r t i s e m e n t s. Maximum drivetrain output not available. Drivetrain malfunction smoke an...