N-Channel Vertical Power FET.
Used for LCM (Light Control Module) repair.
E38 7-Series (740i, 740iL, 750i, 750iL)
E39 5-Series (528i, 530i, 540i and M5)
Can fail causing your headlights to stay on even when the car is turned off.
Manufacturer Reference: BTS426L1
Condition: New