Dorch Engineering – S55 Lift Kit – HPFP Upgrade – DEN-FUP-S55-001

Dorch Engineering – S55 Lift Kit – HPFP Upgrade – DEN-FUP-S55-001

Dorch Engineering – S55 Lift Kit – HPFP Upgrade – DEN-FUP-S55-001

We are proud to offer an unmatched game-changing product for the S55 community! Rather than offer our standard HPFP upgrades for the S55 platform, we went back to the drawing board to come up with a higher flowing and easier to tune solution that saves you a TON of money over tradition HPFP upgrades! With this innovative solution we are able to push 38% more fuel flow out of the OEM HPFPs! We start with Genuine BMW vacuum pump cores and install our Dorch Engineering Cam within the OEM assembly using our proprietary manufacturing tooling and validation equipment. 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. This is not only the highest flowing, but also the ONLY HPFP upgrade available that will successfully pass emissions on OEM DME mapping; all for a fraction of the price with a lifetime warranty!

*At 800whp on E85 there is quite a bit of capacity left in our S55LK, but that?s the most that we can get out of the currently available upgraded injectors on the market.

Software changes are NOT required to run this upgrade. However, we do have preset optimized maps available via Bootmod3 and MHD. Simply check the box for our ?Lift Kit? upgrade when flashing.

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 S63 EU5 Injectors. These are readily available OEM BMW injectors proven to support 800whp on full E85.

KIT CONTENTS
Dorch Lifetime Warranty
Dorch Vacuum Pump Assembly
Vacuum Pump Sealing Cap
Vacuum Pump Gasket

APPLICATIONS
F80 M3 ? All Variants
F82 M4 ? All Variants
F87 M2 ? Competition, CS ONLY

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