SMG / DCT / Transmission Heat Stress
SeriousGearbox & TransmissionFast M5s punish transmissions. E60 SMG hydraulic components, F10 DCT heat stress, and even later automatic driveline components all suffer if the car has been launched repeatedly.
Most affected: E60/E61 M5, F10 M5, F90 M5
Typical symptoms
- •Jerky low-speed shifts
- •Delayed engagement when hot
- •Drivetrain warning messages
What to inspect before you buy
- ✓Drive the car long enough for gearbox temperature to rise
- ✓Check for transmission fluid service evidence