BMW Alternator - OEM & Used Parts
Find quality BMW alternator parts for all models at unbeatable prices. Save 50-70% compared to dealership prices.
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BMW Alternator by Model
Select your BMW model to find the exact alternator for your vehicle
1-Series
Alternator
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2-Series
Alternator
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3-Series
Alternator
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4-Series
Alternator
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5-Series
Alternator
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6-Series
Alternator
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7-Series
Alternator
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8-Series
Alternator
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Alpina-B7
Alternator
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i3
Alternator
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I4
Alternator
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I5
Alternator
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I7
Alternator
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i8
Alternator
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Ix
Alternator
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M
Alternator
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M2
Alternator
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M3
Alternator
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M4
Alternator
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M5
Alternator
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M6
Alternator
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M8
Alternator
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X1
Alternator
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X2
Alternator
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X3
Alternator
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X3-M
Alternator
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X4
Alternator
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X4-M
Alternator
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X5
Alternator
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X5-M
Alternator
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X6
Alternator
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X6-M
Alternator
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X7
Alternator
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Xm
Alternator
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Z3
Alternator
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Z4
Alternator
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Z4-M
Alternator
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Z8
Alternator
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About the BMW Alternator
The alternator is your vehicle's electrical generator, converting mechanical energy from the engine into electrical power to charge the battery and run all electrical systems while driving. When the alternator fails, your battery will drain, electrical systems will malfunction, and eventually your vehicle won't start or run.
Signs of Failure
Know when your BMW alternator needs replacement:
- Dim or flickering headlights
- Battery warning light on dashboard
- Dead battery or won't hold charge
- Electrical accessories malfunctioning
- Whining or grinding noise from engine
- Burning rubber smell
- Stalling or difficulty starting
- Dashboard lights dimming at idle
Replacement Info
Alternator replacement is a moderate DIY job accessible to most home mechanics. The alternator is typically mounted on the front of the engine, driven by the serpentine belt. Replacement involves: disconnecting the battery, removing the belt tensioner to release belt tension, disconnecting electrical connections, unbolting the alternator, and reversing the process with the new unit. Most replacements take 1-2 hours. Some vehicles have alternators in difficult locations requiring additional component removal.
BMW Alternator Price Comparison
Used Parts
$50-$150
- 50-70% savings
- OEM quality
- Tested & verified
- Warranty available
Aftermarket
$100-$250
- Brand new
- Various brands
- Good warranty
- Easy availability
OEM New
$200-$400
- Factory exact
- Best warranty
- Guaranteed fit
- Highest quality
BMW Alternator - FAQ
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