GreshM Performance

Uniclutch kits now available featuring RHD lightweight flywheel and complete fitting kit for Getrag+ZF 5/6 Speed Transmission on M4x/M5x motors!

RHD Lightweight Flywheel with UNICLUTCH Twin Disc Setup (Getrag + ZF Options) This kit combines an RHD late style flywheel with a Uniclutch fitting kit and Uniclutch clutch kit of choice along with all fitting hardware. Uniclutch is a modular sealed clutch assembly that uses an application specific fitting kit to adapt the modular unit to your flywheel. We have assembled this...

Manual conversion coding, wiring and DME flash done today on this amazing E46 M3 CSL.

A little bit more involved than a standard M3 SMG to manual setup but all functions working as they should and no errors or lights present.

***GreshM Performance Christmas/New Year Break***

We will be closed from Friday December 13th until Monday January 6th, during this time we will not be able to answer calls but will still be shipping orders placed through our website and any enquiries can still be sent to [email protected] or to our page and we will answer them when we can.

Send a message to learn more

New high torque lightweight flywheel and clutch kits now available for GS6-37BZ/DZ transmissions on an M5x/S5x motor. These kits utilise an OE BMW 550i pressure plate for high torque handling while retaining an OE style pedal feel. These are available in organic or 6 puck ceramic versions.

Perfect for a turbo M5x running the GS6-37 gearboxes without having to go to a twin plate setup.

Lightweight Flywheel + High Torque Clutch Setup for GS6-37BZ/DZ on M5x/S5x Engines Building on the base lightweight kit we do for the GS6-37 transmissions, this kit utilises a much stronger pressure plate and we can also offer ceramic disc options for users who want to push big torque/power. Consisting of: RHD lightweight flywheel (4.5kg) to suit GS6-37 short input shaftClutch dis...

Another S54 E30 completed, ready to go back to the customer.

Build consists of:

S54 with Beisan complete VANOS rebuild with Cryo treated exhaust sprocket & drilled pump disc. ARP rod bolts and King Racing bearings.

Karbonius E30 Spec CSL Intake with GreshM CSL MAP sensor conversion + tune.

Harper Fab fabricated 9L front sump with wings (45mm higher than E34 sump).

Achilles oil pump upgrade on M52 oil pump.

Bosch i-Booster electric brake booster conversion.

PWR 52mm E36 M3 radiator.

E46 purple tag steering rack.

BCP modified factory exhaust manifolds and full exhaust.

GS6-37BZ 6spd ZF transmission with GreshM lightweight clutch & RHD flywheel to suit.

The car is a blast to drive and the sound from the front is glorious under load.

Another adapter harness ready to go to a customer, this one is for an E46 M54B30 into S2 E30 318i.

We still make these adapters on request so shoot us a message for a quote on one for your E30/36 engine conversion.