2019-2024 BMW 330i/Z4 Engine Wiring Harness (MODULE 1) 12518743493

OEM Part #: 12-51-8-743-493 (12518743493)

Engine Wiring Harness (MODULE 1) 12518743493 for BMW

Actual photo

The exact part you’ll receive — not a stock photo.

$95.99

Used

Donor2020 BMW 330i · 2.0L · 42k miles

SKU: 586969 · 30-Day Returns

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Engine Wiring Harness (MODULE 1) 12518743493 — Used (SKU 586969)

Genuine OEM Used SKU: 586969 Donor Vehicle: 2020 BMW 330i · 2.0L · 42k miles 3 photos

HAS A CRACKED PLUG, SEE PICTURES

$95.99

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Used BMW engine wiring harness (module 1), OEM part number 8743493, a genuine used component removed from a donor vehicle. This harness is specific to the 2.0L turbocharged four-cylinder engine (1998cc, DOHC) found in the BMW 330i and Z4. It connects and routes power and signals to engine sensors and actuators; failure often causes intermittent misfires, no-start conditions, or sensor communication errors.

Specifications

Specifications for Engine Wiring Harness (MODULE 1) 12518743493
Fits Vehicle Model	330i, Z4
Fits Vehicle Make	BMW
OEM Part No	12-51-8-743-493 (12518743493)
Category	Wiring / Harness

Compatible Vehicles

Fits 11 vehicle configurations across 1 make, 2019-2024.

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

330i 2019-2024 · 6 variants
Z4 2019-2023 · 5 variants

View all 11 vehicle configurations

Full vehicle fitment list for Engine Wiring Harness (MODULE 1) 12518743493
Year	Make	Model	Trim	Engine
2020	BMW	Z4	Convertible	2.0L l4 Turbo
2024	BMW	330i	Sedan	2.0L l4 Turbo
2023	BMW	330i	Sedan	2.0L l4 Turbo
2022	BMW	Z4	Convertible	2.0L l4 Turbo
2022	BMW	330i	Sedan	2.0L l4 Turbo
2020	BMW	330i	Sedan	2.0L l4 Turbo
2021	BMW	330i	Sedan	2.0L l4 Turbo
2023	BMW	Z4	Convertible	2.0L l4 Turbo
2021	BMW	Z4	Convertible	2.0L l4 Turbo
2019	BMW	Z4	Convertible	2.0L l4 Turbo
2019	BMW	330i	Sedan	2.0L l4 Turbo