2016-2023 BMW Brake Vacuum Pump 11668634120
OEM Part #: 11-66-8-634-120 (11668634120)
Actual photo
The exact part you’ll receive — not a stock photo.
$51.49
Used
Donor2020 BMW M550i xDrive · 4.4L · 68k miles
✓ Free Same Day Shipping on orders by noon CT
4 Available — Select Your Part:
Genuine OEM Used
SKU: 555204
Donor Vehicle: 2020 BMW M550i xDrive · 4.4L · 68k miles
3 photos
$51.49
30-Day Returns
Genuine OEM Used
SKU: 600020
Donor Vehicle: 2021 BMW M550i xDrive · 4.4L · 42k miles
3 photos
$51.49
30-Day Returns
Genuine OEM Used
SKU: 585399
Donor Vehicle: 2018 BMW 750i xDrive · 4.4L · 42k miles
3 photos
$51.49
30-Day Returns
Genuine OEM Used
SKU: 664078
Donor Vehicle: 2020 BMW M550i xDrive · 4.4L · 49k miles
3 photos
$65.99
30-Day Returns
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
This used OEM BMW brake vacuum pump, part number 8634120, came from a donor vehicle. It supplies the vacuum needed for the brake booster, ensuring proper power assist. A failing pump can cause a hard brake pedal or reduced braking performance. It was removed from a 4.4L V8 turbocharged BMW.
Specifications
| Fits Vehicle Model | 750i xDrive, Alpina B7, M5, M550i xDrive |
| Fits Vehicle Make | BMW |
| OEM Part No | 11-66-8-634-120 (11668634120) |
| Category | Brake Booster |
Compatible Vehicles
Fits 18 vehicle configurations across 1 make, 2016-2023.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 18 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2019 | BMW | M5 | Sedan | 4.4L V8 Turbo | |
| 2021 | BMW | M5 | Sedan | 4.4L V8 Turbo | |
| 2017 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2016 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2018 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2019 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2020 | BMW | M5 | Sedan | 4.4L V8 Turbo | |
| 2017 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2018 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2019 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2020 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2019 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2021 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2022 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2023 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2018 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2022 | BMW | M5 | Sedan | 4.4L V8 Turbo | |
| 2018 | BMW | M5 | Sedan | 4.4L V8 Turbo |