2018-2023 BMW X3/X4 Engine / Transmission Module Wiring Harness 12538658843
OEM Part #: 12-53-8-658-843 (12538658843)
Actual photo
The exact part you’ll receive — not a stock photo.
$62.49
Used
Donor2019 BMW X4 · 2.0L · 82k miles
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Genuine OEM Used
SKU: 536664
Donor Vehicle: 2019 BMW X4 · 2.0L · 82k miles
2 photos
$62.49
30-Day Returns
Genuine OEM Used
SKU: 705700
Donor Vehicle: 2019 BMW X3 · 2.0L
2 photos
$65.99
30-Day Returns
- Genuine OEM — real photos
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This BMW engine/transmission module wiring harness (OEM 8658843, also replaces 12538658843) is a used genuine part removed from a donor vehicle. It connects the engine and transmission control modules to sensors and actuators in 2.0L turbocharged four-cylinder models. Also called a powertrain wiring harness, a failing one often causes intermittent communication faults, misfires, or erratic shifting.
Specifications
| Fits Vehicle Model | X3, X4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 12-53-8-658-843 (12538658843) |
| Compatible OEM Part No | 12-53-8-658-843 |
| 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 |
|---|---|---|---|---|---|
| 2022 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2018 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2023 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X4 | SUV | 2.0L l4 Turbo |