Search by number: 2007 BMW 323 2.5L Alternator ProAmp 11077 $210.00 each OPTIONS: Bosch Unit To 3/2007 ProAmp 11300 $237.00 each OPTIONS: Bosch Unit 150 Amp From 4/2007 ProAmp 11301 $271.00 each OPTIONS: Bosch Unit 180 Amp From 4/2007 ProAmpN 11301N $330.00 each OPTIONS: Bosch Unit 180 Amp From 4/2007 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