BMW Motorcycle Alternators

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Alternator

Part Number: 12318553990
BMW-Motorrad BMW-Motorrad
Applications: Denso.
Other Names: Alternator
Backordered

Alternator

Part Number: 12117687776
BMW-Motorrad BMW-Motorrad
Other Names: Alternator
Backordered

Alternator

Part Number: 12317699394
BMW-Motorrad BMW-Motorrad
Other Names: Alternator
Backordered

Alternator

Part Number: 12317676863
BMW-Motorrad BMW-Motorrad
Applications: 70A Denso.
Other Names: Alternator
Backordered

Alternator

Part Number: 12312305000
BMW-Motorrad BMW-Motorrad
Applications: 50A Denso.
Other Names: Alternator
Backordered

Alternator

Part Number: 12318406639
BMW-Motorrad BMW-Motorrad
Other Names: Alternator
$1,680.70

Alternator

Part Number: 12315B35B36
BMW-Motorrad BMW-Motorrad
Notes: Attention: rotor and stator absolutely must be replaced together!.
Other Names: Alternator -
Replaces: 12318404476
$1,731.10

Alternator

Part Number: 12317704220
BMW-Motorrad BMW-Motorrad
Applications: 40A Denso.
Other Names: Alternator
Backordered

Alternator

Part Number: 12318396695
BMW-Motorrad BMW-Motorrad
Notes: Attention: rotor and stator absolutely must be replaced together!.
Other Names: Alternator
$1,731.10

Alternator

Part Number: 12317718420
BMW-Motorrad BMW-Motorrad
Applications: Denso.
Other Names: Alternator
$1,680.70

Alternator

Part Number: 12317701566
BMW-Motorrad BMW-Motorrad
Applications: 55A Bosch.
Other Names: Alternator
$1,588.27

Alternator

Part Number: 12317722639
BMW-Motorrad BMW-Motorrad
Other Names: Alternator
Backordered
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BMW Motorcycle Alternators: Keeping Your Ride Powered

Whether you're restoring a classic or fixing your own ride, BMW Motorrad always has all the parts you need. BMW motorcycle alternators convert mechanical energy into electrical power that charges your battery and powers all electrical components. These robust components work continuously while your engine runs, ensuring your R 1250 GS or S 1000 RR stays powered up during every ride. Understanding when and why alternators fail can help you spot problems before they leave you stranded.

Why BMW Alternators Matter

Your motorcycle's alternator works constantly whenever the engine runs. It generates the electricity needed for your ignition system, lighting, and electronic displays. Without a properly functioning alternator, your battery will drain quickly, leaving you with a motorcycle that won't start or run properly.

Signs of Alternator Problems

Watch for dim headlights, flickering dash displays, or battery warning lights—these are early warning signs of alternator issues. Strange whining noises or burning smells can indicate worn bearings or damaged wiring. If your BMW motorcycle struggles to start or dies unexpectedly after riding for a while, your alternator might be failing.

Choosing Quality Replacements

Genuine BMW Motorrad alternators are designed specifically for your motorcycle model. While aftermarket options might cost less upfront, they often lack the durability and perfect fit of OEM parts. Genuine alternators provide consistent voltage output and better protection against environmental factors like water, heat, and vibration that can quickly damage inferior components.

Skip the new car payment and keep your current vehicle running smoothly with BMW Motorrad's quality products.