Collection: 2014 Used BMW Transmissions For Sale

2014 BMW Transmission Buying Guide

5 things to verify before buying a used 2014 BMW transmission:

1. Settle xDrive versus rear-drive first. On 2014 BMWs this is the decision that matters most, and it matters on the manuals as well as the automatics. The ZF 8HP comes in an xDrive case (X1 35iX, X3 28iX/35iX, X5 AWD, X6 xDrive35i/50i, 320i to 750Li xDrive, Alpina B7) and a rear-drive case (228i to 750Li RWD, X1 28i, X5 3.0L RWD, Z4) with different housings and output arrangements. The 6-speed manuals split the same way. None of these swap. Tell us the drive type or send the VIN and we will settle it.
2. Most of the 2014 range splits on a mid-year build date. The 3-, 5- and 7-Series lines split either side of 31 July 2013, the 535i and 535i GT again on 1 November 2013, and the 435i and 335i on 1 October 2013; the X3 35iX splits on automatic stop-start and the X5 3.0L on an October 2013 change. The 335i GT and 435i also split on the Sport transmission option. That split is part of the fitment, not a note — the units carry different calibrations and are not interchangeable.
3. The M5, M6 and X6 M are their own parts, not tuned 8HPs. The 2014 M5, M6 and M6 Gran Coupe use the 7-speed GS7D36SG dual-clutch, a fundamentally different unit from any torque-converter automatic in the range. The X6 M is the odd one out in the other direction: it is the final year of the E71 and runs a 6-speed ZF-based M Sport automatic, not the 8-speed. If your car is an M or an Alpina, say so up front — a 550i xDrive or 650i unit is not a substitute in either direction.
4. Treat the ActiveHybrid, i3 and i8 as their own parts, and on any 8HP ask about the Mechatronic sleeve. The ActiveHybrid 3 and ActiveHybrid 5 use the GA8P70H with the electric motor integrated into the bellhousing; a conventional 328i or 535i unit will not substitute in either direction. The i3 and i3 REx rear unit and the i8 front axle are reduction gears, not gearboxes, and interchange with nothing else here. Separately, the Mechatronic unit is the most common failure point on BMW's 8-speed family, and every 8HP we list is inspected there before it ships.
5. Confirm the match with your own VIN before you order. Your VIN settles the transmission architecture, the case, the drive type and the build split in one step — which matters on 2014 in particular, where three model lines are brand new and most of the rest split mid-year. Text it to +1-307-441-5554 and we will confirm in writing exactly which unit fits your vehicle before you pay.

Our ASE-certified technicians verify every one of these points against your VIN before any unit ships.