2014-2019 BMW Engine Wiring Harness (MODULE 2) 12518601840
OEM Part #: 12-51-8-601-840 (12518601840)
Actual photo
The exact part you’ll receive — not a stock photo.
$71.49
Used
Donor2016 BMW X5 · 3.0L · 63k miles
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Genuine OEM Used
SKU: 639333
Donor Vehicle: 2016 BMW X5 · 3.0L · 63k miles
2 photos
$71.49
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Genuine OEM Used
SKU: 565506
Donor Vehicle: 2015 BMW X5 · 3.0L
4 photos
WIRE CONDUIT IS CRACKED, SEE PICTURES
$71.49
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Genuine OEM Used
SKU: 620533
Donor Vehicle: 2018 BMW X5 · 3.0L · 83k miles
2 photos
$71.49
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Genuine OEM Used
SKU: 657267
Donor Vehicle: 2017 BMW X5 · 3.0L
2 photos
$81.49
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This is a used OEM BMW Engine Wiring Harness (module 2), part number 8601840, removed from a donor vehicle. It serves as the main electrical harness for the engine's secondary control modules, managing sensor and actuator signals. A common failure point is frayed or broken wires near high-heat areas or connectors, which can cause intermittent misfires, no-start conditions, or check-engine lights.
Specifications
| Fits Vehicle Model | 535i, 535i GT, 535i GT xDrive, 535i xDrive, 640i, 640i Gran Coupe, 640i xDrive Gran Coupe, ActiveHybrid 5, X3, X5, X6 |
| Fits Vehicle Make | BMW |
| OEM Part No | 12-51-8-601-840 (12518601840) |
| Category | Wiring / Harness |
Compatible Vehicles
Fits 42 vehicle configurations across 1 make, 2014-2019.
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 42 vehicle configurations — 32 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | BMW | 640i | Convertible | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2014 | BMW | X5 | SUV | 3.0L l6 Turbo | |
| 2016 | BMW | X5 | SUV | 3.0L l6 Turbo | |
| 2018 | BMW | X5 | SUV | 3.0L l6 Turbo | |
| 2017 | BMW | X5 | SUV | 3.0L l6 Turbo | |
| 2015 | BMW | X5 | SUV | 3.0L l6 Turbo | |
| 2014 | BMW | X3 | SUV | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2016 | BMW | X3 | SUV | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2017 | BMW | X3 | SUV | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2015 | BMW | X3 | SUV | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2015 | BMW | X6 | SUV | 3.0L l6 Turbo | |
| 2018 | BMW | X6 | SUV | 3.0L l6 Turbo | |
| 2016 | BMW | X6 | SUV | 3.0L l6 Turbo | |
| 2019 | BMW | X6 | SUV | 3.0L l6 Turbo | |
| 2017 | BMW | X6 | SUV | 3.0L l6 Turbo | |
| 2016 | BMW | 640i | Convertible | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2016 | BMW | 535i | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2014 | BMW | 535i GT xDrive | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2017 | BMW | 535i GT xDrive | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2016 | BMW | 535i GT xDrive | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2015 | BMW | 535i GT xDrive | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2017 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2015 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2016 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2014 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2015 | BMW | 535i | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2014 | BMW | 535i | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2015 | BMW | 535i xDrive | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2014 | BMW | 535i xDrive | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2018 | BMW | 640i | Convertible | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2019 | BMW | 640i xDrive Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2018 | BMW | 640i xDrive Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2017 | BMW | 640i xDrive Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2016 | BMW | 640i xDrive Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2019 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2016 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2018 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2015 | BMW | ActiveHybrid 5 | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2014 | BMW | ActiveHybrid 5 | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2016 | BMW | ActiveHybrid 5 | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2016 | BMW | 535i xDrive | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |
| 2017 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 08/2014 |