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BMW F20 / F30 N20 Engine / Gearbox Module Wiring Harness - 7634058 (Automatic Transmission)
Overview
Used BMW F20 / F30 N20 Engine / Gearbox Module Wiring Harness - 7634058 — genuine OEM engine-to-gearbox module wiring harness for F-chassis N20 2.0L turbo cars fitted with automatic transmission (option S205A) or sport automatic gearbox (option S2TBA). Connects the DME to the TCM and provides shift control signal paths to the ZF 8HP gearbox. Replace when transmission fault codes point to harness wiring or after a teardown / rodent damage.
Vehicle Fitment
- 1' F20 (07/2010 — 06/2016) N20 — 125i — Auto only (S205A / S2TBA)
- 1' F21 (07/2011 — 06/2016) N20 — 125i — Auto only
- 3' F30 (04/2011 — 10/2018) N20 — 320i, 328i — Auto only
- 3' F31 (07/2011 — 06/2015) N20 — 320i, 328i — Auto only
Specifications
| Application | Wiring harness, engine gearbox module |
| Engine | N20 2.0L Turbo Petrol |
| Transmission | Automatic ONLY — option S205A or sport auto S2TBA. Does NOT fit manual transmission cars. |
| Coding | Not required — direct fit replacement |
| Condition | Used — removed from a running vehicle |
OEM Part Number: 7634058
Full BMW Part Number: 12537634058
Condition
This is a used genuine OEM part. It has been removed from a running vehicle and visually inspected. All connectors, clips and terminals intact. Sold as-is — please confirm your vehicle's transmission type and current harness part number against your VIN before purchasing.
Shipping & returns
Shipping: Orders placed before 12pm ship same day from our Australian warehouse. Express & standard options at checkout.
Returns: 14-day returns on any part that doesn’t fit or you no longer need. A 20% restocking fee applies. Original packaging required. Start a return from your account.
Parts warranty: Used parts — 3 months, unlimited km. New parts — 6 months, unlimited km. Some listings may specify a different period, which will be noted in the ad. This is a parts warranty only and does not cover labour or fitting. Full terms on our Returns & Warranty policy.
* Product descriptions are written with AI assistance and may contain errors
