Search by number: 1976 BMW 530 3.0L Alternator ProAmp 13112 $112.00 each OPTIONS: 55 Amp To 3/77 ProAmp 13102 $112.00 each OPTIONS: 65 Amp From 3/76 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