BMW 550i/650i/750Li/750i Alternator (180 AMP) 12317542934

OEM Part #: 12-31-7-542-934 (12317542934)

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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

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This genuine 180 AMP alternator is a critical component, located on the engine in various BMW models, providing essential electrical power to the vehicle's systems. It converts mechanical energy into electrical energy, charging the battery and powering electrical systems such as lighting, infotainment, and climate control. Common symptoms indicating a failing alternator include dimming lights, battery warning lights, or complete electrical failure. The alternator is interchangeably known as a generator. This OEM part fits the following BMW models: 550i, 650i (2006-2010), and 750i, 750Li (2006-2008), with Bosch part number 7542934. Ensure reliable performance with this authentic part from salvage vehicles.

Specifications

Specifications for Alternator (180 AMP) 12317542934
Fits Vehicle Model550i, 650i, 750i, 750Li
Fits Vehicle MakeBMW
OEM Part No12-31-7-542-934 (12317542934)
CategoryBattery / Charging / Starting

Compatible Vehicles

Fits 21 vehicle configurations across 1 make, 2006-2010.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

BMW

  • 550i 2006-2010 · 5 variants 5 with notes
  • 650i 2006-2010 · 10 variants 10 with notes
  • 750Li 2006-2008 · 3 variants 3 with notes
  • 750i 2006-2008 · 3 variants 3 with notes
View all 21 vehicle configurations — 21 with fitment notes
Full vehicle fitment list for Alternator (180 AMP) 12317542934
Year Make Model Trim Engine Note
2006 BMW 550i Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2006 BMW 650i Convertible 4.8L V8 For Vehicles with Production Date After 03/2005
2006 BMW 650i Coupe 4.8L V8 For Vehicles with Production Date After 03/2005
2006 BMW 750i Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2006 BMW 750Li Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2007 BMW 550i Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2007 BMW 650i Convertible 4.8L V8 For Vehicles with Production Date After 03/2005
2007 BMW 650i Coupe 4.8L V8 For Vehicles with Production Date After 03/2005
2007 BMW 750i Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2007 BMW 750Li Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2008 BMW 550i Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2008 BMW 650i Convertible 4.8L V8 For Vehicles with Production Date After 03/2005
2008 BMW 650i Coupe 4.8L V8 For Vehicles with Production Date After 03/2005
2008 BMW 750i Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2008 BMW 750Li Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2009 BMW 550i Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2009 BMW 650i Convertible 4.8L V8 For Vehicles with Production Date After 03/2005
2009 BMW 650i Coupe 4.8L V8 For Vehicles with Production Date After 03/2005
2010 BMW 550i Sedan 4.8L V8 For Vehicles with Production Date After 03/2005
2010 BMW 650i Convertible 4.8L V8 For Vehicles with Production Date After 03/2005
2010 BMW 650i Coupe 4.8L V8 For Vehicles with Production Date After 03/2005

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Asking about: Alternator (180 AMP) 12317542934 · OEM #7542934