Lamp in the exterior mirror housing
Information stage The dimmed lamp in the exterior mirror housing indicates when there are vehicles in the blind spot or approaching from behind.
Warning If the turn signal is set while a vehicle is in the critical zone, the steering wheel vibrates briefly and the lamp in the exterior mirror housing flashes brightly.
The warning stops when the turn signal is switched off, or the other vehicle leaves the critical zone.
BMW X3 Service & Repair Manual > Body repair instructions: Straightening steel components on the outer skin
1.0 Recommended tools.
Only use those tools designed for steel repairs.
2.0 Straightening outer skin.
"Cold" straightening: Press dents out from their center and smooth in an inwards direction with
gentle taps.
In the case of small, soft dents (hail and parking damage), this is also possib ...