BMW 503 Alternator
New, used, or aftermarket – from sellers across Europe.
Parts availability
Limited availability – hank searches the web for you.
Estimated price range
Widely available Limited Hard to find
Last updated: 22.07.2026, 22:02
Alternator for your BMW 503?
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In addition, sellers on hank can send you offers directly.
Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| eBay | New | 166.39 € | 2026-07-22 (older price) |
| eBay | New | 182.00 € | 2026-07-22 (older price) |
| eBay | New | 231.69 € | 2026-07-22 (older price) |
Indicative values only – current prices may vary.
Price comparison: Alternator
Current median for the BMW 503: 182.00 €.
Median across all car models: around 160 €. This model is 10% above that and more expensive than 60% of the models compared.
Median across BMW car models: around 210 €. This model is 15% below that and cheaper than 60% of the models compared.
Compares the medians of the most recent offers found for each model.
Find BMW 503 parts online
hank's free AI report searches specialized shops for BMW 503 parts, including Ricambi BMW, C3BMW & Jaymic BMW Parts.
About this part
The alternator on your 503 charges the battery and powers the electrics while the engine runs. A failing alternator causes dimming lights, a dying battery and eventually a vehicle that won't start.
Frequently asked questions
What should I check when ordering a replacement alternator for the BMW 503?
Match the exact engine code and the model year of your 503, as alternators differ in output (amps) and mounting. Check whether the pulley is included or needs to be transferred.
Is a remanufactured alternator a good option?
Yes – remanufactured alternators are tested to OEM specs and are often significantly cheaper than new. They're a reliable and economical choice for most vehicles.
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