Search by number: 2008 BMW 528 3.0L Alternator ProAmp 11300 $237.00 each OPTIONS: 150 Amp, Bosch Unit ProAmp 11301 $271.00 each OPTIONS: 180 Amp, Bosch Unit ProAmpN 11301N $330.00 each OPTIONS: 180 Amp, Bosch Unit Why is there more than one unit for my car? Look at the TECH SPECS when more than one unit is shown for your car. AMPS (ELECTRIC CAPACITY): must match you vehicle electric requirements. *** Call us if you are looking to increase your unit capacity! OE ALTERNATOR MANUFACTURER: It is recommended to match the Make of your alternator