Few things are more annoying on an E90 than intermittent trunk electrics, and the usual cause is fatigued wiring where the harness bends into the trunk lid.
SEG Automotive, the company behind Bosch's starter motor and generator business, builds this brand-new 150-amp alternator with a freewheel pulley that smooths out belt loads for a quieter, longer-lasting accessory drive.
Show More Show Less