Traction control isn't anything new to BMW's, in fact, it's been a part of BMW's make up for nearly 30 years. Despite this, with the ever changing industry, the systems now, although similar in function, holds very little resemblance to the systems of old. The DSC hydraulic unit is a particular weak spot of the E89x [...]
We recently had an E46 M3 in with numerous warnings on the dash. These included the DSC, brake warning and tyre pressure monitoring. After carrying out diagnosis, it was revealed a faulty steering angle sensor was the cause. We replaced this with a brand new original BMW unit and programmed accordingly with BMW level software..