Search by number: 1992 BMW 750 5.0L Alternator ProAmp 13320 $99.00 each OPTIONS: Auxiliary Alt ProAmp 13269 $126.00 each OPTIONS: Optional 140 Amp ProAmp 13270 $138.00 each OPTIONS: Standard 115 Amp 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