BMW 4×4 Warning Light: Causes, Fixes, and When to Worry
The BMW 4×4 warning light means your BMW’s xDrive all-wheel-drive system has detected a fault. It could be a bad wheel speed sensor, a failing transfer case actuator, low fluid, or an issue in the ABS or DSC system. The light tells you the AWD system may not be working as designed. I’ve worked with…



