2007-2008 BMW X3 Engine / Transmission Module Wiring Harness 3450427
OEM Part #: 3450427
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The exact part you’ll receive — not a stock photo.
$169.99
Used
Donor2008 BMW X3 · 3.0L
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Genuine OEM Used
SKU: 704443
Donor Vehicle: 2008 BMW X3 · 3.0L
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$169.99
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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.
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 2 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2007 | BMW | X3 | SUV | 3.0L l6 | |
| 2008 | BMW | X3 | SUV | 3.0L l6 |