DC/DC converter BMW 3 E90&91 Sed&tou 2009

Used DC/DC converter for BMW 3 E90&91 Sed&tou (model year 2009). The part is checked before dispatch; the photos show the actual item. Donor vehicle mileage: 278,270 km.

The part is in our offer and supplied to order: we confirm availability within 24 hours, delivery takes 5-10 working days. VAT invoice (23%). 12-month warranty when we install the part at our workshop in Imielin, Poland. Courier shipping across Poland and the EU.

The DC/DC converter feeds the 12 V system from the traction battery. Failure symptoms: a flat 12 V battery despite a charged HV pack, power supply faults on control units. We replace the converter and verify its operation in Imielin near Katowice. ECU Technik specialises in diagnostics and service of electric and hybrid vehicles - certified for high-voltage work, with our own battery test bench.