BMW 3 Series Coupe Alternator replacement Cost
2003–2006 · Engine, Fuel & Emissions system
Typical range
$556–$6.1k
Parts + labour
Labour hours
1.5–4.5h
At a typical garage
The alternator charges the battery and powers the electrical system while the engine is running. Warning signs include a battery warning light, dimming headlights, or a car that won't start after short trips. BMW 3 Series Coupe alternator replacement typically costs $556–$6060 at an independent garage.
Typical parts included
- Alternator
- Alternator voltage regulator
What affects the price
- OEM vs remanufactured alternator unit
- Output amperage (higher on models with heavy electrical loads)
- Accessibility in the engine bay—some require partial disassembly
Common questions
How long does this repair take?
Alternator replacement on a BMW 3 Series Coupe typically takes 1.5–4.5 hours at a garage.
How often does this need to be done?
For a BMW 3 Series Coupe, this is typically needed typically every 80,000–150,000 miles; replacement is usually on failure rather than a set schedule.
Other engine, fuel & emissions system repairs on the BMW 3 Series Coupe
- ABS hydraulic unit replacement$425–$765
- ABS sensor replacement$175–$315
- ABS system bleeding$140–$252
- AC compressor clutch replacement$350–$630
- AC compressor replacement$375–$675
Alternator replacement cost on similar cars
- MERCEDES BENZ E-Klasse Coupe and predecessors$300–$540
- AUDI A5$300–$540
- SAAB 9-3 Coupe$300–$540
- PORSCHE 911 Carrera 4$330–$594
- FORD Mustang$297–$545
Get the exact price for your BMW 3 Series Coupe
Prices vary by year, engine and location. Tell us about your specific car.
Get my price estimate →