Search by number: 2006 BMW X5 3.0L Alternator ProAmp 13970 $148.00 each OPTIONS: 120 Amp Valeo Unit ProAmp 13882 $154.00 each OPTIONS: 120 Amp Bosch Unit ProAmp 13971 $157.00 each OPTIONS: 90 Amp Valeo Unit ProAmp 13882OE $201.00 each OPTIONS: 120 Amp (OEM Bosch Regulator) ProAmp 11098 $217.00 each OPTIONS: 140 Amp Valeo Unit ProAmpN 13882N $202.00 each OPTIONS: 120 Amp Bosch Unit ProAmpN 13970N $231.00 each OPTIONS: 120 Amp Valeo Unit ProAmpN 13971N $234.00 each OPTIONS: 90 Amp Valeo Unit ProAmpN 11098N $401.00 each OPTIONS: 140 Amp Valeo 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