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BMW N54 Alternator Replacement cost
Alternator Replacement on a BMW with the N54 engine typically costs $400–$600 in parts DIY, based on 2 real owner-reported prices.
Last updated · 2 reported prices from 1 cited source
"Charging malfunction" warning, alternator failure. These are only the prices reported for the N54. See the general Alternator Replacement page for every BMW model.
Limited data: 2 reported prices from 1 source, and no dealer or independent shop price found yet. Use the general repair page for more context.
Both prices are DIY parts for a 335i from 2024 reports: a rebuilt unit and a new unit.
Typical cost
Ranges are the lowest and highest real prices in the table below. Estimates are shown but left out of the ranges. Shop prices include parts and labor unless noted.
Every N54 price we found
| Price | Where | Details | Source |
|---|---|---|---|
| $400 | DIY | Rebuilt OEM Bosch alternator, N54 335i (2024) | [1] |
| $600 | DIY | New alternator, N54 335i (2024) | [1] |
Symptoms
- "Charging malfunction" warning
- Battery keeps going flat
- Dim lights or electrical glitches
Labor times, parts, notes and every price for Alternator Replacement on all BMWs →
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Common questions
How much does BMW N54 Alternator Replacement cost?
Alternator Replacement on a BMW with the N54 engine typically costs $400–$600 in parts DIY, based on 2 real owner-reported prices.
Can I do Alternator Replacement on my N54 myself?
Owners who did it themselves or bought parts reported $400 to $600.
Alternator Replacement on other engines and models
Sources
- N54 Alternator 335i (E90post)
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