Dorch Engineering BMW S55 Lift Kit For High Pressure Fuel Pump Upgrade - R44 Performance

Dorch Engineering BMW S55 Lift Kit For High Pressure Fuel Pump Upgrade

Sale price$1,995.99 USD

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SKU: DEN-FUP-S55-001
Core Deposit:No - I will send my vac pump up front

Dorch Engineering is proud to offer a game-changing product for the S55 community! With this innovative solution you are able to add up to 38% MORE fuel flow out of the OEM HPFPs. Dorch start with Genuine BMW vacuum pump cores and install the Dorch Engineering Cam within the OEM assembly using their proprietary manufacturing tooling and validation equipment. What you end up with is far more fuel flow in a very simple and clean package, all while utilising the OEM HPFPs. Since the S55 engine uses some of the smallest fuel pump cams in the Bosch lineup, we are able to achieve this additional flow without sacrificing any of the longevity or reliability of the OEM pumps. There’s no cutting, no bending, no crimping, etc. This kit drops right in like factory and it does not require any special tuning to get up and running. All of the safety and sophistication of the stock DME remain in place.

NOTE: The S55 fuel system is very much limited by the injectors. In order to see the true benefits of this kit, it is highly recommended to upgrade to the larger EU5 Injectors.

Software changes are NOT required to run this upgrade. However, Dorch do have pre-set optimised maps available via Bootmod3 and MHD. Simply check the box for their “Lift Kit” upgrade when flashing.


- BMW F80 M3 (2014-2018)
- BMW F82 M4 (2014-2020)
- BMW F83 M4 (2014-2020)
- BMW F87 M2 Competition S55 (2018-2020)


- Dorch Vacuum Pump Assembly
- Vacuum Pump Sealing Cap
- Vacuum Pump Gasket


See fitting instructions here.