BMW 525i/525xi/530i/530xi Engine Wiring Harness 12517546181

OEM Part #: 12-51-7-546-181 (12517546181)

Engine Wiring Harness 12517546181 for BMW

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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

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This OEM engine wiring harness, part number 7557818, is designed for select BMW models, including the 525i, 525xi, 530i, and 530xi from the 2006 model year. As a factory-original component sourced from salvage vehicles, it ensures a precise fit and restores optimal functionality to your vehicle's electrical system. This wiring harness is essential for maintaining communication between the engine and various electronic components, addressing common issues such as connectivity failures or non-functioning electronic systems. It is also compatible with alternative part number 7546181, making it a reliable choice for restoring powertrain performance in your BMW sedan.

Specifications

Specifications for Engine Wiring Harness 12517546181
Fits Vehicle Model	525i, 525xi, 530i, 530xi
Fits Vehicle Make	BMW
OEM Part No	12-51-7-546-181 (12517546181)
Compatible OEM Part No	7557818
Category	Wiring / Harness

Compatible Vehicles

Fits 5 vehicle configurations across 1 make, 2006.

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.

BMW

525i 2006 1 with note
525xi 2006 1 with note
530i 2006 1 with note
530xi 2006 · 2 variants 2 with notes

View all 5 vehicle configurations — 5 with fitment notes

Full vehicle fitment list for Engine Wiring Harness 12517546181
Year	Make	Model	Trim	Engine	Note
2006	BMW	525i	Sedan	3.0L l6	For Vehicles With Production Date Up To 11/2005
2006	BMW	525xi	Sedan	3.0L l6	For Vehicles With Production Date Up To 11/2005
2006	BMW	530i	Sedan	3.0L l6	For Vehicles With Production Date Up To 11/2005
2006	BMW	530xi	Sedan	3.0L l6	For Vehicles With Production Date Up To 11/2005
2006	BMW	530xi	Wagon	3.0L l6	For Vehicles With Production Date Up To 11/2005