2018-2023 BMW X3/X4 Engine Wiring Harness (MODULE 2) 12518658836
OEM Part #: 12-51-8-658-836 (12518658836)
Actual photo
The exact part you’ll receive — not a stock photo.
$78.99
As Is
Donor2019 BMW X3 · 2.0L
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Genuine OEM As Is
SKU: 623831
Donor Vehicle: 2019 BMW X3 · 2.0L
3 photos
HAS A CUT PLUG, SEE PICTURES
$78.99
Final Sale · No Returns
Genuine OEM Used
SKU: 705723
Donor Vehicle: 2019 BMW X3 · 2.0L
2 photos
$129.99
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For your BMW X3 or X4 with the 2.0L turbocharged inline-four engine, this used genuine BMW engine wiring harness (module 2) carries OEM part number 8658836. As the main electrical backbone for sensors and actuators, a failing harness can produce intermittent stalling, misfires, or check-engine lights.
Specifications
| Fits Vehicle Model | X3, X4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 12-51-8-658-836 (12518658836) |
| Category | Other |
Compatible Vehicles
Fits 10 vehicle configurations across 1 make, 2018-2023.
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 10 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2018 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2023 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X4 | SUV | 2.0L l4 Turbo |