Dorch Engineering BMW Engine Parts for BMW 4 Series F32 (2014+)

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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Flex Fuel ECA - Plug and Play - Dorch HPFP - F22, F23, F30, F34, F32,...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55713497
Part#: DE-581-ECA-14
Special Order: No Guaranteed ETA
New Item
$ 549.00 USD
$ 549.00 USD
The Dorch Engineering CAN-based Flex Fuel ECA Kit delivers real-time ethanol monitoring directly to your BMW's DME. Designed explicitly for Gen1 B58
Flex Fuel ECA - Plug and Play - TU HPFP - F22, F23, F30, F34, F32, F3...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55713498
Part#: DE-581-ECA-14TU
Special Order: No Guaranteed ETA
New Item
$ 549.00 USD
$ 549.00 USD
The Dorch Engineering CAN-based Flex Fuel ECA Kit delivers real-time ethanol monitoring directly to your BMW's DME. Designed explicitly for Gen1 B58
Dorch Engineering B58 Gen1 DS3 HPFP Upgrade - F22, F23, F30, F34, F32...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55533509
Part#: DE-581-30A
Special Order: No Guaranteed ETA
New Item
$ 2,399.00 USD
$ 2,399.00 USD
The Dorch Engineering DS3 B58 Gen 1 HPFP Upgrade is the ultimate solution for drivers looking to lift the fueling restrictions on their B58 powerplant. Optimized for high-output setups, this upgraded pump ensures your injectors are supplied with the precise volume
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N55 DS25 HPFP Upgrade
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55533499
Part#: DE-55-25A
Special Order: No Guaranteed ETA
New Item
$ 1,699.00 USD
$ 1,699.00 USD
The Dorch Engineering DS25 N55 HPFP Upgrade is the definitive solution for enthusiast drivers looking to extract maximum power from their N55. Optimized for high output setups, this upgraded pump delivers a critical 25% bump in fueling capacity over the factory unit
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Dorch Engineering Gen1 DS25 HPFP Upgrade - F Chassis - B58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55461363
Part#: DE-581-25A
Special Order: No Guaranteed ETA
New Item
$ 1,799.00 USD
$ 1,799.00 USD
The Dorch Engineering DS25 HPFP Upgrade for the Gen 1 B58 engine is the definitive hardware upgrade for enthusiasts looking to safely extract maximum performance from their powerplants. Designed to eliminate the primary bottleneck in the B58 fueling system
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Dorch Engineering PWG N55 38% Lift Kit – HPFP Upgrade - with $400 c...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55569526
Part#: DE-LK-1038-PWGKT
Ships on Aug 6, 2026
New Item
$ 1,799.00 USD
$ 1,799.00 USD
The factory N55 fueling system leaves a lot to be desired once you turn up the boost. Enter the Dorch Engineering HPFP Lift Kit. This kit is a calculated, high performance solution designed specifically for PWG N55 engines to extract maximum flow from your fueling setup by altering the mechanical lift profile of the pump drive
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Dorch Engineering PWG N55 49% Lift Kit – HPFP Upgrade - with $400 c...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55569525
Part#: DE-LK-1049-PWGKT
Ships on Aug 6, 2026
New Item
$ 1,799.00 USD
$ 1,799.00 USD
The Dorch Engineering N55 PWG Lift Kit is the upgrade your BMW needs. By optimizing the fuel pump lift profile, this kit allows your HPFP to pump significantly more fuel per revolution. Designed specifically for the early Pneumatic Wastegate (PWG) N55 engines
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Dorch Engineering EWG N55 49% Lift Kit – HPFP Upgrade - with $400 c...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55569521
Part#: DE-LK-1049-EWGKT
Ships on Aug 6, 2026
New Item
$ 1,799.00 USD
$ 1,799.00 USD
Engineered specifically for high power builds that push the direct injection threshold, this lift kit overrides the typical N55 fueling bottleneck by overdriving the high pressure fuel pump mechanism.

Flex Fuel ECA - Plug And Play - OG Dorch HPFP - F22, F23, F30, F34, F...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55713499
Part#: DE-581-ECA-14OG
Special Order: No Guaranteed ETA
New Item
$ 549.00 USD
$ 549.00 USD
The Dorch Engineering CAN-based Flex Fuel ECA Kit delivers real-time ethanol monitoring directly to your BMW's DME. Designed explicitly for Gen1 B58

Dorch Engineering EWG N55 38% Lift Kit – HPFP Upgrade - with $400 c...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55569519
Part#: DE-LK-1038-EWGKT
Ships on Aug 6, 2026
New Item
$ 1,799.00 USD
$ 1,799.00 USD
The Dorch Engineering Lift Kit HPFP Upgrade is engineered to completely eradicate direct-injection fueling limitations, providing up to 38% more flow volume on top of your existing Dorch fuel pump setup.
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