2014-2021 BMW i3 REx/i3s REx Engine Wiring Harness (MODULE 2) 12517647591

OEM Part #: 12-51-7-647-591 (12517647591)

Engine Wiring Harness (MODULE 2) 12517647591 for BMW

Actual photo

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

$17.49

Used

Donor2015 BMW i3 · 0.6L · 56k miles

SKU: 526128 · 30-Day Returns

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Engine Wiring Harness (MODULE 2) 12517647591 — Used (SKU 526128)

Genuine OEM Used SKU: 526128 Donor Vehicle: 2015 BMW i3 · 0.6L · 56k miles 3 photos

HAS A CUT PLUG, SEE PICTURES

$17.49

30-Day Returns

Engine Wiring Harness (MODULE 2) 12517647591 — Used (SKU 519163)

Genuine OEM Used SKU: 519163 Donor Vehicle: 2014 BMW i3 · 0.6L · 70k miles 2 photos

$30.49

30-Day Returns

Engine Wiring Harness (MODULE 2) 12517647591 — Used (SKU 572389)

Genuine OEM Used SKU: 572389 Donor Vehicle: 2014 BMW i3 · 0.6L 2 photos

$30.49

30-Day Returns

Engine Wiring Harness (MODULE 2) 12517647591 — Used (SKU 628539)

Genuine OEM Used SKU: 628539 Donor Vehicle: 2014 BMW i3 · 0.6L · 84k miles 2 photos

$32.99

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This BMW i3 Engine Wiring Harness (module 2), OEM 7647591, is a used genuine part removed from a donor vehicle. It serves the 0.6L 647cc I2 range extender (BEV REX) engine in i3 and i3s models, routing power and signals to sensors and actuators. A failing harness can cause intermittent misfires, no-start conditions, or illuminated warning lights.

Specifications

Specifications for Engine Wiring Harness (MODULE 2) 12517647591
Fits Vehicle Model	i3 REx, i3s REx
Fits Vehicle Make	BMW
OEM Part No	12-51-7-647-591 (12517647591)
Category	Wiring / Harness

Compatible Vehicles

Fits 8 vehicle configurations across 1 make, 2014-2021.

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

i3 REx 2014-2017 · 4 variants
i3s REx 2018-2021 · 4 variants

View all 8 vehicle configurations

Full vehicle fitment list for Engine Wiring Harness (MODULE 2) 12517647591
Year	Make	Model	Trim	Engine
2014	BMW	i3 REx	Hatchback	0.6L l2
2016	BMW	i3 REx	Hatchback	0.6L l2
2015	BMW	i3 REx	Hatchback	0.6L l2
2017	BMW	i3 REx	Hatchback	0.6L l2
2019	BMW	i3s REx	Hatchback	0.6L l2
2018	BMW	i3s REx	Hatchback	0.6L l2
2020	BMW	i3s REx	Hatchback	0.6L l2
2021	BMW	i3s REx	Hatchback	0.6L l2