SHOP FUELING KIT — B48
BUNDLE I4 TUNE + HARDWARE
[Fueling Kit — B48 · img 1]
[Fueling Kit — B48 · img 2]
[Fueling Kit — B48 · img 3]
KIT

Fueling Kit — B48

$2,622.00
4.8 · verified reviews

Fueling Kit — B48: the high-pressure pump, matched to a tune that uses it.

An upgraded high-pressure fuel pump paired with a calibration written around the extra fuel it can deliver. The stock B48 HPFP runs out of headroom before the rest of the hardware does on higher-octane or ethanol-blend fuel; this set raises that ceiling and ships with the tune already matched to it, so the pump and the calibration arrive as one decision rather than two guesses.

What's in the set

  • Dorch Engineering B48 / B58 HPFP upgrade — a higher-flow high-pressure pump for fuel-limited builds.
  • The matched custom BM3 calibration for your chassis, written to use the added fuel delivery.

Why it ships together

A bigger pump with no tune to command it does nothing, and a calibration that asks for more fuel than the pump can supply will pull timing to stay safe. Matching the two is the whole point of the kit.

The saving

8% under buying the pump and tune separately — the kit price reflects the matched build, not a discount gimmick. The savings indicator on this page shows the current figure.

One cart line; components ship as their individual SKUs.

See every B48 chassis tune →

Engine B48
Kit type Fueling Kit
vs à la carte $290 less than the sum of parts

Ships from Boca Raton, FL. Hardware components within 3-5 business days; tune license emailed after post-install datalogs.

OWN SOME OF THESE PARTS?

Build a custom bundle.

Toggle on what's already on your car. We'll subtract those and price the rest as a bundle. Bundles need at least two parts left — if you've got nearly everything, the full kit above is already the right call.

YOUR CUSTOM BUNDLE
PARTS 2 parts
PRICE
WHY KIT

Why one SKU, not a parts list.

Every kit is priced 8% under the same components bought separately — the standing rule on every kit we sell, with the exact figure for this one on the vs à la carte line in the panel above. The components are matched as a set, and the kit price applies only when they are purchased as one SKU.

We schedule installs at the shop for kit buyers in Florida. Out-of-state buyers can choose a Phantom-certified installer or DIY with our install instructions. The calibration is delivered remotely either way.

WHY WE SHIP DORCH ENGINEERING
Dorch Engineering fills the gap where a single fuel system runs out of injector or pump to feed the power a build is asking for. Their high-pressure fueling work is built for the direct-injection BMW engines that hit a fuel-delivery wall before they hit a mechanical one. We choose Dorch when a customer commits to ethanol content or big-power targets that the factory HPFP and DI injectors can no longer support cleanly. This is fueling for the upper end of a build, where getting the supply right is the difference between a calibration that holds and one that runs lean where it matters.
CUSTOMER REVIEWS

What customers say.