2015-2017 BMW X3 Engine Wiring Harness 12518579345
OEM Part #: 12-51-8-579-345 (12518579345)
Actual photo
The exact part you’ll receive — not a stock photo.
$141.99
Used
Donor2016 BMW X3 · 2.0L
✓ Free Same Day Shipping on orders by noon CT
Only 1 in stock — no guaranteed restock
Genuine OEM Used
SKU: 647627
Donor Vehicle: 2016 BMW X3 · 2.0L
3 photos
HAS A CUT PLUG, SEE PICTURES
$141.99
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 BMW engine wiring harness, OEM part number 8579345, is a used genuine component removed from a donor vehicle. Also known as the engine harness or main engine wire loom, it routes power and signals between the ECU and all engine-mounted sensors, injectors, and actuators. For the 2.0L 1997CC turbo-diesel (four-cylinder DOHC) in the BMW X3, a failing harness can cause intermittent stalling, no-start conditions, or misfire codes due to chafed or corroded wires.
Specifications
| Fits Vehicle Model | X3 |
| Fits Vehicle Make | BMW |
| OEM Part No | 12-51-8-579-345 (12518579345) |
| Category | Other |
Compatible Vehicles
Fits 3 vehicle configurations across 1 make, 2015-2017.
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 3 vehicle configurations — 3 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2015 | BMW | X3 | SUV | 2.0L l4 Diesel Turbo | For Vehicles with Production Date After 04/2015 |
| 2017 | BMW | X3 | SUV | 2.0L l4 Diesel Turbo | For Vehicles with Production Date After 04/2015 |
| 2016 | BMW | X3 | SUV | 2.0L l4 Diesel Turbo | For Vehicles with Production Date After 04/2015 |