2007-2008 BMW X3 Engine / Transmission Module Wiring Harness 3450427
OEM Part #: 3450427
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Used OEM BMW Engine / Transmission Module Wiring Harness, part number 3450427 (also replaces 3448539 and 3428682). This harness connects the engine and transmission control modules for proper powertrain communication. Commonly fails due to heat or vibration, leading to intermittent no-start, check-engine lights, or erratic transmission shifting. Removed from a 3.0L I6 gas BMW X3.
Compatible Vehicles
Fits 2 vehicle configurations across 1 make, 2007-2008.
View all 2 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2007 | BMW | X3 | SUV | 3.0L l6 | |
| 2008 | BMW | X3 | SUV | 3.0L l6 |