PMC Motorsport adapter / conversion kit / clutch kit BMW V8 M62 M62TU – 5-speed manual BMW M50 M52 M54 ZF-5 ZF310 ZF320 Getrag S5D-250G / 6-speed Getrag 420G S50 – 240 mm / 9.45" – 5.82 kg / 12.83 lbs

Adapter kit designed to combine (swap / convert) the BMW V8 M62 / M62TU engine (3.5, 4.4, and 4.6) with the ZF-5 (ZF S5D-310 / S5D-320) or Getrag S5D-250G 5-speed manual gearbox found in BMW models with M50 / M52 / M54 / S50 / S52 engines, as well as the Getrag 420G 6-speed gearbox from the BMW E36 M3 (S50). The ideal solution for amateur and professional motorsport.

Planning a BMW V8 M62 swap into your BMW (E30, E36, E46, E34, E39, E90, E91, E92, E60, E61, E81, E82, E87)? Our adapter is a rock-solid solution. Convert an automatic transmission to a BMW manual gearbox and unlock new performance potential.

PMC Motorsport adapters not only enable automatic-to-manual conversions in vehicles powered by the BMW V8 M62 engine, but also support completing an M62 engine swap into BMW chassis and other platforms, such as Nissan (S13, S14, S15, PS13) or Mazda RX-7 / RX-8.

Aluminum gearbox adapter plate engineered to simplify transmission installation to the maximum, eliminating radical modifications such as cutting off the entire bellhousing – only trimming the starter motor opening is required. Custom flywheels dedicated to PMC Motorsport adapters are made of lightweight aluminum with a replaceable friction plate, precision-checked and dynamic-balanced prior to dispatch. Flywheel designed for a 240 mm clutch pressure plate (BMW M57 / M57N / M57N2 / N54 / B58 / E46 M3 OE pattern). Flywheel weight: 5.82 kg (12.83 lbs), adapter thickness: 35 mm (1.37"). A crankshaft position sensor adapter is included in the kit.

PMC Motorsport gearbox adapters are synonymous with precision engineering and superior quality. A design process utilizing advanced 3D scanning and CMM measuring arm quality control ensures a flawless fit. Production on cutting-edge CNC machines guarantees perfect engine-to-transmission concentricity, which is vital for drivetrain durability.

Additional Information

Installation Instructions

Installation of the flywheel requires the starter ring gear / driveplate from the BMW M60 automatic version – OE 11 22 1 747 843 (1747843) or OE 11 22 1 715 646 (1715646) (not included in the kit).

To mount the adapter, use a BMW M60 / M62 starter motor OE 12 41 1 729 981 (1729981) or OE 12 41 1 736 921 (1736921) (not included in the kit). The crankshaft position sensor adapter is included in the kit.

Install the clutch release fork on the lower position of the release bearing (when using a dual-position release bearing).

The clutch release bearing, clutch fork, and slave cylinder are not included in the kit: release bearing BMW OE 21 51 7 521 360 (single-position) or 21 51 7 570 154 (dual-position), clutch fork BMW OE 21 51 1 223 302 (single-position) or 21 51 7 564 027 (dual-position), clutch slave cylinder BMW OE 21 52 1 164 529 (Ø 23.81 mm).

Frequently Asked Questions

Which engines does this adapter fit?

BMW V8 M62 / M62TU engines: M62B35 / M62TUB35 (3.5), M62B44 / M62TUB44 (4.4), and M62TUB46 (4.6) – found in the BMW E39 535i / 540i, E38 735i / 740i, E31 840Ci, E53 X5 4.4i / 4.6is, as well as Alpina B10 V8, Morgan Aero 8, and Range Rover models.

Which gearboxes does this adapter fit?

The 5-speed manual ZF-5 gearboxes (ZF S5D-310 / ZF 310 and ZF S5D-320 / ZF 320) and Getrag S5D-250G from BMW models with M50 / M52 / M54 / S50 / S52 / S54 engines (including E36 328i, E46 328i / 328Ci / 330i, E34 525i, E39 525i / 528i / 530i, Z3 2.8i / 3.0i), as well as the 6-speed Getrag 420G gearbox (TBAB, TAGU) from the BMW E36 M3 (S50). The flywheel does not fit the BMW M54 GS6-37BZ 6-speed gearbox or the Getrag 420G gearbox from BMW M60 / M62 models.

Does the gearbox bellhousing need to be cut?

No. The adapter is specifically engineered to avoid cutting the bellhousing – only preparing the starter motor pocket is required.

What additional parts do I need to purchase for installation?

The automatic starter ring gear / driveplate from the BMW M60 automatic version – OE 11 22 1 747 843 (1747843) or OE 11 22 1 715 646 (1715646) – and the BMW M60 / M62 starter motor OE 12 41 1 729 981 (1729981) or OE 12 41 1 736 921 (1736921). You will also need a 240 mm clutch pressure plate and clutch disc (23x29-10N), release bearing, clutch fork, and slave cylinder (OE reference numbers listed in the "Installation Instructions" section). These parts are not included in the kit.

Which starter motor should be used?

The BMW M60 / M62 starter motor OE 12 41 1 729 981 (1729981) or OE 12 41 1 736 921 (1736921). The starter motor is not included in the kit.

Which clutch pressure plate fits the PMC flywheel?

A 240 mm (9.45") BMW OE type clutch pressure plate – from BMW M57 / M57N / M57N2 / N54 / B58 / E46 M3, Sachs XTend 3000 951 877 (BMW M57), or Sachs Performance 883082.001243. ACT / Spec / Tanaci clutches are also commonly used – any aftermarket pressure plate must fit the BMW OE flywheel pattern (M57 / M57N / M57N2 / N54 / B58). For the ZF-5 gearbox, a 240 mm clutch disc with a 23x29-10N spline, along with the dedicated clutch release assembly and slave cylinder, must be used.

What is included in the kit?

An aluminum gearbox adapter plate (35 mm) with mounting bolts, a custom PMC Motorsport flywheel with a replaceable friction plate (5.82 kg / 12.83 lbs), crankshaft bolts, pressure plate bolts, and a crankshaft position sensor adapter. The clutch disc, pressure plate, release bearing, clutch fork, and slave cylinder are not included in the kit.

Can I purchase only the adapter plate or only the flywheel?

Yes. Each individual element of the kit can be purchased separately.

Does the price include customs duty for shipments outside the European Union?

No. The product price and shipping quote do not include customs duties, taxes, or import fees that may apply in the recipient's country.

Can I purchase with 0% VAT?

Yes, provided you are a B2B customer outside Poland with a valid EU VAT number (verified in the VIES system) or if the order is shipped as an export outside the EU.

Is the included instruction manual sufficient for full installation?

The manual describes mating the engine and gearbox outside the vehicle body. Depending on the car chassis, custom fabrication may be necessary: engine/transmission mounts, bushings, firewall modifications, transmission tunnel clearance, propshaft length. Professional installation is strongly recommended.

Please note that a lightweight single-mass flywheel provides uncompromising throttle response and engine revving dynamics at the expense of factory vibration damping. This delivers a more direct drivetrain feel, which can lead to a natural increase in audible gear rattle / chatter from the gearbox mechanisms. This is a normal, expected characteristic in motorsport applications, resulting from a rigid connection between the engine and drivetrain.