Collection: 2012 Used BMW Transmissions For Sale

125
verified 2012 BMW transmissions
Customer Reviews
Up to 3 yrs
extended warranty available
Photos before
shipment

2012 Used BMW Transmissions For Sale

125 verified used 2012 BMW transmissions in stock — the ZF 8HP Steptronic in xDrive form (328i to 650i xDrive, X3 28iX/35iX, X1) and rear-drive form (328i to 650i, Z4 sDrive28i), the ZF 6HP and GM 6L45R six-speeds still fitted to the E82, E9x, E70 X5/X6 and F01 7-Series, six-speed manuals in both cases, the 7-speed M dual-clutch behind the M3, M6, 135i and Z4 35i, the 6-speed M Sport automatic in the X5 M and X6 M, and the ActiveHybrid 5 GA8P70H. On BMW, drive type decides fitment more than displacement does, so xDrive and rear-drive cases are listed separately. Every unit is VIN-matched, ASE Shift-Tested through every gear under load, photographed before shipment, and backed by a 6-month warranty with extended coverage up to 3 years. Free freight, 30-day money-back.

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Warranty On Every Unit
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Photos Before Shipment
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ASE-Tested & Verified
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Free Nationwide Shipping
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30-Day Money-Back
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2012 BMW Transmission Families

Which gearbox sits behind which 2012 BMW, and how many of each we hold today.

Transmission family Fits (2012) In stock
8-Speed Steptronic (ZF 8HP) — xDrive 328i/335i xDrive sedan; 528i/535i/550i xDrive; 535i/550i GT xDrive; 650i xDrive; X3 28iX/35iX 34
Six-Speed Steptronic (ZF 6HP / GM 6L45R) — xDrive 328i/335i 3.0L xDrive; 750i/750Li xDrive; Alpina B7/B7L xDrive; X5 xDrive35i/35d/50i; X6 xDrive35i/50i 32
Six-Speed Steptronic (ZF 6HP / GM 6L45R) — RWD 128i GA6HP19Z and GA6L45R; 320i Canada sedan; 328i/335i 3.0L; 740i/740Li; 750i/750Li; Alpina B7 16
8-Speed Steptronic (ZF 8HP) — RWD 328i N20/N26 2.0L; 335i sedan from 3/12; 528i/535i/550i; 535i/550i GT; 650i; Z4 sDrive28i 14
Six-Speed Manual — RWD 328i 2.0L and 3.0L; 335i/335is coupe and convertible; 550i sedan; 650i; 128i; Z4 sDrive28i roadster 8
Six-Speed Manual — xDrive 328i xDrive 2.0L and 3.0L; 335i xDrive coupe and convertible; 550i xDrive; 650i xDrive 8
7-Speed M Dual-Clutch (GS7D36SG) — RWD M3 coupe/sedan; M6 convertible; 135i; 335i/335is; Z4 sDrive35i and sDrive35is; rear-drive only in 2012 8
6-Speed M Sport Automatic — xDrive X5 M and X6 M 4.4L twin turbo; split thru 06/30/11 and from 07/01/11; not an 8HP 4
8-Speed Hybrid Steptronic (GA8P70H) — RWD ActiveHybrid 5; electric motor in the bellhousing; no standard 535i unit substitutes 1
Total 125

Other BMW Model Years

Every model year we hold BMW transmissions for. Years without a link are in stock but have no year page yet — text us your VIN.

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Why Buy a 2012 BMW Transmission from Auto Power Source

2012 is the year the ZF 8HP spread across BMW's range while half the catalogue was still on six speeds, and this page shows both. The new F30 328i, the F10 5-Series, the F07 GT, the F12/F13 6-Series, the F25 X3 and the E84 X1 were all 8HP; the E92 coupe and convertible, the E82 128i, the F01 7-Series including the Alpina B7, and the E70 X5 and E71 X6 all carried on with ZF 6HP or GM 6L45R six-speeds. Nine distinct architectures are listed here.

The split that actually decides fitment is xDrive against rear-drive. The ZF 8HP is built in an xDrive case and a rear-drive case with different housings and output arrangements, and they do not swap in either direction: a 535i xDrive unit will not go into a rear-drive 535i however closely the badges match. The six-speed automatics and the manuals split exactly the same way. We list the two cases as separate families and match yours from the VIN rather than the title.

Three further 2012 traps are worth knowing. The 128i was built with two different six-speed codes in one year, the ZF GA6HP19Z and the GM GA6L45R, and the code not the badge is what has to match. The 328i sedan runs two different 2.0L calibrations, N20 and N26, on the same 8HP. And most lines split on a build date: the 535i at 11/30/11 and 02/29/12, the 528i at 11/11, the 7-Series and Alpina B7 at 06/30/11, the X3 at 12/11 and on automatic stop-start, and the X1 and 335i sedan at 2/12.

Every 2012 BMW transmission here is pulled from a low-mileage donor vehicle, cleaned, and Shift-Tested by ASE-certified technicians through every gear under load. On the 8HP units the Mechatronic sleeve and valve body are inspected, on the six-speed automatics the valve body and solenoids, on the manuals the synchros and bearings, and on the M dual-clutch the actuator. Each unit is photographed before it leaves, ships with free freight and a 6-month warranty, and is covered by 30-day money-back.

📱 Fastest way to match: text us your VIN, get options in minutes.Text Your VIN →

Your 2012 BMW Transmission Options: Compared

Most 2012 BMW owners face four real choices when the transmission fails:

← Swipe sideways to see all columns →
Option Cost Reliability Warranty Fitment Match
Used OEM (this collection) $$$ Best Value High — tested Included VIN-matched
New OEM (dealer) $$$$$ 2-4× more High Manufacturer Exact
Aftermarket / Reman $$$$ Varies 6-12 mo May adapt
Junkyard $ Cheapest Unknown None DIY

Tested used OEM hits the sweet spot — same engineering as new, fraction of the cost.

2012 BMW Transmission Buying Guide

5 things to verify before buying a used 2012 BMW transmission:

  1. Settle xDrive versus rear-drive first. On 2012 BMWs this is the decision that matters most, and it matters on the six-speeds and the manuals as much as on the 8HP. The xDrive case (X1, X3 28iX/35iX, X5, X6 and every xDrive sedan, coupe and GT) and the rear-drive case use different housings and output arrangements and will not substitute for each other in either direction.
  2. On a 128i, match the gearbox code, not the badge. The E82 128i was built with two different six-speed automatics in the same model year: the ZF GA6HP19Z, split thru 6/11 and from 7/11, and the GM-sourced GA6L45R. They share a bellhousing pattern and nothing else that matters. Your VIN settles which one your car left the factory with.
  3. Most lines split on a build date. The 535i changes at 11/30/11 and again at 02/29/12, the 528i at 11/11, the 335i sedan and the X1 at 2/12, the X3 28iX at 12/11, and the 750i, 750Li, Alpina B7 and X5 M/X6 M at 06/30/11. A unit from the wrong side of the split has different software and, on some lines, different internals.
  4. The M cars and the hybrid are their own parts. The M3 and M6 use the 7-speed GS7D36SG dual-clutch, a fundamentally different unit from any torque-converter automatic in the range, and the X5 M and X6 M keep the 6-speed M Sport automatic rather than an 8HP. The ActiveHybrid 5 runs the GA8P70H with the electric motor in the bellhousing, so no standard 535i unit will substitute.
  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 2012 in particular, where nine architectures and two different six-speed codes are in play. 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.

📞 Need help choosing the right 2012 BMW transmission? Talk to our team live.Call 1-877-313-8995

Frequently Asked Questions

What is the warranty on a used 2012 BMW transmission?
Every 2012 BMW transmission ships with a 6-month warranty included, printed on each product page. Extended coverage of up to 3 years is available at checkout.
What does ASE-tested mean on a transmission?
ASE-certified technicians Shift-Test every gear under load and check for clean engagement, no slipping and no abnormal noise. On ZF 8HP units the Mechatronic sleeve and valve body are inspected; on the six-speed automatics the valve body and solenoids; on the manuals the synchros and bearings; on the M dual-clutch the actuator.
Will a 328i transmission fit my 2012 X5?
No. Beyond the drive-type question, the F30 328i runs an 8HP sized for a 2.0L four while the E70 X5 is still on a ZF 6HP six-speed. Send your VIN and we will match the correct unit rather than the closest badge.
Why do two 2012 128i listings show different gearbox codes?
Because the E82 128i was built with two different six-speed automatics in the same year, the ZF GA6HP19Z and the GM-sourced GA6L45R. Both are listed separately here. The code has to match your car, and only the VIN settles which one it is.
Is the 2012 X5 transmission the same as a 2014 X5?
No. The 2012 E70 X5 runs a ZF 6HP six-speed; the X5 moved to the 8HP for 2014 in the F15. The case, the mounts and the control unit all differ, so the two years do not interchange.
Why do the 2012 X5 M and X6 M use a 6-speed when the F10 range is an 8-speed?
The E70 X5 M and E71 X6 M kept the 6-speed ZF-based M Sport automatic throughout their run. An 8-speed unit from an F10 is not a substitute, and the M unit will not go into a standard X5 or X6.
Some 2012 listings carry an xDrive badge and a rear-drive token at once. Which is right?
The designation is the reliable field, so a title reading 328i xDrive is treated as the xDrive case even where the trailing token says RWD. The 7-speed dual-clutch is rear-drive only in 2012 whatever the badge on the listing says. Your VIN settles the case before anything ships.
When can I reach customer service?
Call 1-877-313-8995 or text +1-307-441-5554 during the business hours shown in the site footer, or email info@autopowersource.com any time.
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100K+
Engines+Transmissions In Stock
0%
fitment-related returns
All 50
states covered, free freight
36
brands covered

Our 6-Step Inspection & Shipping Process

Every 2012 BMW transmission we ship has been through these six steps:

1. VIN-Matching
We match the donor VIN to your VIN to confirm transmission code, drivetrain, and RWD/xDrive configuration.
2. Tested & Verified
ASE-certified technicians Shift-Test every gear under load. Units are checked for clean engagement, no slipping, no abnormal noises.
3. Noise & Smoke Verification
Units are run to verify normal mechanical sound and clean operation — catches internal wear static tests miss.
4. Visual Inspection
Every accessible component is inspected: bell housing, output shaft, Mechatronic sleeve, cooler lines, sensor harnesses.
5. Photograph & Catalog
Multi-angle photos sent to you BEFORE we ship for your approval.
6. Palletize & Ship
Strapped on a heavy-duty wooden pallet, shipped via freight at no charge.

Our Photos-Before-Shipment Guarantee

Before any transmission leaves our warehouse, we send you multi-angle photographs. You approve. If you do not approve, you get every dollar back — no questions, no restocking fees, no return freight charges. On top of 30-day money-back and the warranty included with every unit. Browse all 125 2012 BMW transmissions below.

✉ Email Us at info@autopowersource.com