2016-2023 BMW Engine / Transmission Module Wiring Harness 12518654428
OEM Part #: 12-51-8-654-428 (12518654428)
Actual photo
The exact part you’ll receive — not a stock photo.
$47.49
Used
Donor2018 BMW 750i xDrive · 4.4L · 42k miles
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Genuine OEM Used
SKU: 585505
Donor Vehicle: 2018 BMW 750i xDrive · 4.4L · 42k miles
2 photos
$47.49
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Used OEM BMW Engine / Transmission Module Wiring Harness, part number 8654428. This genuine harness connects the engine and transmission control modules, managing critical data and power flow between the two systems. A failing harness can cause drivability issues, erratic shifting, or communication faults between modules. This specific unit was removed from a donor vehicle and is ready for installation.
Specifications
| Fits Vehicle Model | 750i xDrive, Alpina B7, M550i xDrive, X5, X7 |
| Fits Vehicle Make | BMW |
| OEM Part No | 12-51-8-654-428 (12518654428) |
| Category | Transmission |
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 |
|---|---|---|---|---|---|
| 2023 | BMW | X7 | SUV | 4.4L V8 Turbo | |
| 2021 | BMW | X5 | SUV | 4.4L V8 Turbo | |
| 2018 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2019 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2017 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2019 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2018 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2016 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2017 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2018 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2019 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2020 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2019 | BMW | X7 | SUV | 4.4L V8 Turbo | |
| 2020 | BMW | X5 | SUV | 4.4L V8 Turbo | |
| 2020 | BMW | X7 | SUV | 4.4L V8 Turbo | |
| 2022 | BMW | X5 | SUV | 4.4L V8 Turbo | |
| 2019 | BMW | X5 | SUV | 4.4L V8 Turbo | |
| 2023 | BMW | X5 | SUV | 4.4L V8 Turbo |