BMW Engine Wire / Wiring Harness Left 12518693206
OEM Part #: 12-51-8-693-206 (12518693206)
Actual photo
The exact part you’ll receive — not a stock photo.
$125.49
Side: Left
Used
Donor Vehicle2021 BMW M550i xDrive · 4.4L · 42k miles
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Genuine OEM Used
SKU: 600577
Donor Vehicle: 2021 BMW M550i xDrive · 4.4L · 42k miles
5 photos
HAS SOME DAMAGE TO WIRES, SEE PICTURES
$125.49
30-Day Returns
Genuine OEM Used
SKU: 733040
Donor Vehicle: 2020 BMW M550i xDrive · 4.4L · 73k miles
2 photos
$189.99
30-Day Returns
Genuine OEM Used
SKU: 664248
Donor Vehicle: 2020 BMW M550i xDrive · 4.4L · 49k miles
2 photos
$197.99
30-Day Returns
- Genuine OEM — real photos
- 30-day returns on eligible parts
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This is a used OEM engine wire harness, genuine BMW part number 8693206, also superseding 8693203. It's the left-side wiring harness for the engine bay, connecting sensors, injectors, and ignition components in the 4.4L 4395CC V8 gas DOHC turbocharged engine. A common failure in this harness is cracked or brittle insulation from engine heat, causing intermittent misfires or no-start conditions.
Specifications
| Fits Vehicle Model | 750i xDrive, Alpina B7, M550i xDrive, M850i xDrive, M850i xDrive Gran Coupe |
| Fits Vehicle Make | BMW |
| OEM Part No | 12-51-8-693-206 (12518693206) |
| Compatible OEM Part No | 8693203 |
| Side | Left |
| Category | Wiring / Harness |
Compatible Vehicles
Fits 34 vehicle configurations across 1 make, 2019-2026.
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 34 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2019 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2019 | BMW | M850i xDrive | Convertible | 4.4L V8 Turbo | |
| 2019 | BMW | M850i xDrive | Coupe | 4.4L V8 Turbo | |
| 2020 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2020 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2020 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2020 | BMW | M850i xDrive | Convertible | 4.4L V8 Turbo | |
| 2020 | BMW | M850i xDrive | Coupe | 4.4L V8 Turbo | |
| 2020 | BMW | M850i xDrive Gran Coupe | Sedan | 4.4L V8 Turbo | |
| 2021 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2021 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2021 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2021 | BMW | M850i xDrive | Convertible | 4.4L V8 Turbo | |
| 2021 | BMW | M850i xDrive | Coupe | 4.4L V8 Turbo | |
| 2021 | BMW | M850i xDrive Gran Coupe | Sedan | 4.4L V8 Turbo | |
| 2022 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2022 | BMW | Alpina B7 | Sedan | 4.4L V8 Turbo | |
| 2022 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2022 | BMW | M850i xDrive | Convertible | 4.4L V8 Turbo | |
| 2022 | BMW | M850i xDrive | Coupe | 4.4L V8 Turbo | |
| 2022 | BMW | M850i xDrive Gran Coupe | Sedan | 4.4L V8 Turbo | |
| 2023 | BMW | M550i xDrive | Sedan | 4.4L V8 Turbo | |
| 2023 | BMW | M850i xDrive | Convertible | 4.4L V8 Turbo | |
| 2023 | BMW | M850i xDrive | Coupe | 4.4L V8 Turbo | |
| 2023 | BMW | M850i xDrive Gran Coupe | Sedan | 4.4L V8 Turbo | |
| 2024 | BMW | M850i xDrive | Convertible | 4.4L V8 Turbo | |
| 2024 | BMW | M850i xDrive | Coupe | 4.4L V8 Turbo | |
| 2024 | BMW | M850i xDrive Gran Coupe | Sedan | 4.4L V8 Turbo | |
| 2025 | BMW | M850i xDrive | Convertible | 4.4L V8 Turbo | |
| 2025 | BMW | M850i xDrive | Coupe | 4.4L V8 Turbo | |
| 2025 | BMW | M850i xDrive Gran Coupe | Sedan | 4.4L V8 Turbo | |
| 2026 | BMW | M850i xDrive | Convertible | 4.4L V8 Turbo | |
| 2026 | BMW | M850i xDrive | Coupe | 4.4L V8 Turbo | |
| 2026 | BMW | M850i xDrive Gran Coupe | Sedan | 4.4L V8 Turbo |