Search by number: 2006 BMW 323 2.5L Alternator ProAmp 11260 $203.00 each OPTIONS: 170 Amps; Valeo type unit ProAmp 11077 $210.00 each OPTIONS: 155 Amps; Bosch type unit ProAmpN 11260N $511.00 each OPTIONS: 170 Amps; Valeo type 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