BMW Battery Charger All Models X1 X2 X3 X4 X5 X6 X7 Z4 1 2 3 4 5 6 7 8 Series
Cigarette lighter plug & play adapter for BMW. Battery short circuit & reverse-polarity proof. Protect your car's electronics and don’t let your battery die! Battery capacity: Less than 100AH, can support all battery sizes.