BMW 8 Series E31 Window Regulator
New, used, or aftermarket – from sellers across Europe.
Parts availability
This part appears to be widely available.
Estimated price range
Widely available Limited Hard to find
Last updated: 25.05.2026, 03:22
Window Regulator for your BMW 8 Series?
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About this part
The window regulator on your 8 Series E31 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 8 Series?
Match the exact door position (front/rear, left/right) and the model year of your 8 Series E31. 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.
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