Genuine BMW 6-Speed Manual Transmission - GS6-45BZ THD4 - OEM Replacement Gearbox for E82 E88 135i, E9X 335i, F10 F11 535i and E82 1M
Replace or upgrade your BMW manual gearbox with this Genuine BMW 6-speed manual transmission. This OEM GS6-45BZ THD4 unit is the correct factory-spec replacement gearbox for the BMW 135i, 1M, 335i and 535i across selected E82, E88, E90, E91, E92, E93, F10 and F11 models. Expect factory fitment, smooth shifts and reliability that only a genuine BMW transmission can deliver.
Part Number: 23007599342
BMW Transmission Code: GS6-45BZ - THD4
Why choose this genuine BMW manual gearbox
- OEM BMW transmission - engineered for perfect fit and function on the listed models
- Direct replacement 6-speed manual gearbox - restore precise shift feel and drivability
- Durable factory specification - built for daily use and spirited driving
- Ideal for replacing a worn, noisy or crunching 6-speed gearbox on 135i, 1M, 335i and 535i
- Trusted by enthusiasts - supplied and fitted by Nforcd with excellent customer feedback
Compatibility
Fits the following BMW models when matched to your VIN:
-
1 Series
- 1' E88 09/2009 to 10/2013 - 135i
- 1' E82 09/2009 to 10/2013 - 135i, 1M Coupe
-
3 Series
- 3' E90 LCI 09/2009 to 12/2011 - 335i
- 3' E91 LCI 09/2009 to 05/2012 - 335i
- 3' E92 LCI 11/2008 to 06/2013 - 335i
- 3' E93 LCI 11/2008 to 10/2013 - 335i
-
5 Series
- 5' F10 01/2009 to 06/2013 - 535i
- 5' F11 02/2009 to 06/2013 - 535i
Real-world results from Nforcd
We have supplied and fitted these GS6-45BZ 6-speed manual transmissions for multiple customer cars with superb results. Customers report noticeably smoother shifts, reduced drivetrain noise and restored confidence in hard driving. If you want your 135i, 1M, 335i or 535i to feel factory fresh again, this is the gearbox you want.
Fitting service and support
Professional fitting available at Nforcd in Warwickshire. Request a quote via Sales@nforcd.com. Our team can also advise on ancillary parts often replaced at the same time such as clutch, flywheel, release bearing and fluids.
Compatibility check before dispatch
To ensure a perfect match, we run a compatibility check prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout and we will confirm suitability for your vehicle.
Manufactured by
BMW
Warranty
Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers if VIN is provided during checkout on compatible vehicles.
Search terms to help you find the right part
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