BMW 503 Window Regulator
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: 08.07.2026, 13:11
Window Regulator for your BMW 503?
Create a parts request and we will automatically search the web for suitable offers. You'll receive the results by e-mail - free of charge.
In addition, sellers on hank can send you offers directly.
Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| eBay | New | 18.06 € | 2026-07-08 (older price) |
| eBay | New | 18.06 € | 2026-07-08 (older price) |
| eBay | New | 23.21 € | 2026-07-08 (older price) |
| eBay | New | 30.05 € | 2026-07-08 (older price) |
Indicative values only – current prices may vary.
Price comparison: Window Regulator
Current median for the BMW 503: 20.63 €.
Median across all car models: around 72 €. This model is 70% below that and cheaper than 95% of the models compared.
Median across BMW car models: around 80 €. This model is 75% below that and cheaper than 95% 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 LLLParts, Jaymic BMW Parts & pieces-bmw.fr.
About this part
The window regulator on your 503 moves the glass up and down. A broken cable, worn motor or failed mechanism leaves the window stuck or dropping – replacement is needed to use the window safely.
Frequently asked questions
What should I check when buying a window regulator for the BMW 503?
Match the exact door position (front/rear, left/right) and the model year of your 503. Check whether the motor is included or sold separately, as this varies by supplier.
Should I replace the regulator and motor together?
If the motor still works, replacing just the regulator mechanism is fine. If both are old, replacing the complete unit saves time and avoids a repeat failure.
Why hank?
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- Specializing in rare and hard-to-find parts
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