PMC Motorsport adapter / conversion kit / clutch kit Mercedes-Benz M104 - BMW N54 ZF GS6-53BZ 135i 335i 535i 6-speed Petrol - 240mm / 9.45"

Clutch kit allowing the connection (swap / conversion) of the Mercedes-Benz M104 engine with a manual 6-speed ZF (ZF Friedrichshafen) GS6 gearbox from BMW. The adapter is designed for the very popular and durable 6-speed ZF GS6-53BZ gearbox.

Are you planning to perform a Mercedes-Benz M104 swap in your BMW (E30, E36, E46, E34, E39, E90, E91, E92, E60, E61, E81, E82, E87)? Our adapter is a reliable solution. Replace an automatic transmission with a manual one from BMW and gain new possibilities. PMC Motorsport adapters are not only for gearbox replacements in Mercedes-Benz M104, but also provide support in implementing M104 SWAPs in BMW and other vehicles, such as Nissan (S13, S14, S15, PS13) or Mazda RX-7 / RX-8.

PMC Motorsport gearbox adapters are synonymous with precision and the highest quality. The design process based on 3D scanning and inspection using a measuring arm ensures a perfect fit. Production on modern CNC machines guarantees ideal coaxiality of the engine and gearbox, which is crucial for the durability of the drivetrain.

Additional Information

Why choose a gearbox from BMW?

Availability and Price. Millions of cars produced and their worldwide availability guarantee the availability of spare parts. Parts, as well as complete gearboxes, are easily available at authorized service centers (ASO) and on the secondary market.

Strength and Reliability. BMW ZF / Getrag gearboxes have been successfully used for many years in both amateur and professional motorsport. They can handle very high torque (some models 1000Nm+), while guaranteeing high reliability. They are ideal for SWAPs in high-power projects intended for daily use.

ZF Friedrichshafen GS6-53BZ

The ZF Friedrichshafen GS6-53BZ 6-speed manual gearbox (S6-53BZ), due to its high durability (1000Nm+) and low price, is an ideal solution for cars prepared for motorsport. Female type spline: 32.5x35-26N

ZF GS6-53BZ HGX THGX
ZF GS6-53BZ JGD TJGD
ZF GS6-53BZ JGF TJGF
ZF GS6-53BZ JGK TJGK

To mount the flywheel, it is necessary to use the flexplate from the automatic Mercedes-Benz version (OE 111-030-07-12). The clutch fork should be mounted on the lower release bearing position (in case of a two-position bearing).

FAQ

1. Which starter motor should be used with the PMC Motorsport Mercedes-Benz M104 - BMW adapter?

For the adapter installation, the Mercedes-Benz M104 OE starter motor must be used.

2. Which ring gear should be used for the PMC Motorsport Mercedes-Benz M104 - BMW flywheel?

When installing the PMC Motorsport Mercedes-Benz M104 - BMW flywheel, you must use the ring gear (flexplate) from the automatic Mercedes-Benz version (OE number: 111-030-07-12).

3. Can I use the PMC Motorsport Mercedes-Benz M104 - BMW gearbox adapter for ZF 8HP?

Yes, the PMC Motorsport gearbox adapter itself is universal and fits most BMW gearboxes available on the market (applies to adapters manufactured after 2022). If you wish to change the gearbox to a ZF 8HP automatic, the standard flywheel must be replaced with an 8HP converter adapter (PMC Motorsport).

4. Which clutch can I use with the PMC Motorsport flywheel?

The Mercedes-Benz M104 - BMW flywheel was designed for the clutch pressure plate from BMW M57 / M57N / M57N2 / N54 / B58 / BMW E46 M3 / Sachs Performance 883082.001243. Clutches from ACT / Spec / Tanaci are very often used with our kit (it is important that the custom pressure plate also fits the BMW OE flywheel: BMW M57 / M57N / M57N2 / N54 / B58). For your gearbox, you must use a clutch disc with the appropriate spline, a dedicated release kit, and a slave cylinder.