Search by number: Selected vehicle: 2003 BMW M3 3.2L Alternator Made in USA 2003 BMW M3 3.2L Alternator Limited Lifetime Warranty Unit Price: CALL FOR AVAILABILITY AND PRICE! THIS IS 100% NEW OEM VALEO ALTERNATOR PART#439317 PART# 13974N Features: Valeo,120amp,6 groove pulley Tech specs: 120 Amp Valeo Unit Application: BMW M3 From 2002 To 2006 Other Part numbers: 13974N 208-723 320-56 340-04