BMW Engine Parts for BMW 4 Series F33 (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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OMP - Corporate Logo
T#:1614
Part#: EA-462
In Stock
$ 65.00 USD
Free Shipping
$ 65.00 USD
Free Shipping
OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.
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Fuel-It! - Corporate Logo
T#:403295
Part#: FILPFPK5
Back Ordered
Sale - Save 2% $ 649.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 634.84 USD
Free Shipping
Sale - Save 2%
$ 649.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 634.84 USD
Free Shipping
This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your weak stock LPFP assembly with a high-flow E85-certified one. Standard Kit Includes: A brand new OEM LPFP bucket that is upgraded with a new Walbro 450 or 525 pump and filter. A new E85 compatible Walbro 450 pump (F90000274) that flows 50% more fuel than stock Optional A new E85 compatible Walbro 525 pump (F90000285) that flows 65% more fuel than stock NOTE: Owners with I-Drive may get a Fuel pump warning on the screen that says "Continued driving is possible. Have the system checked by your BMW center as soon as possible." As long as the car is running fine and does not exhibit any other symptoms, there is not an issue with the pump and this can be ignored. If you have any questions about this please feel free to contact us. Upgraded pumps pull more current, so if your EKP (LPFP control module) is weak, it may overheat causing it to shut down and need to be replaced. If this is a concern for you check out our Stage 3 fuel pump upgrade kits that retain the stock LPFP and add a secondary pump.
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Fuel-It! - Corporate Logo
T#:403364
Part#: FIEPIK5
Ships on Aug 6, 2026
Starting at $ 1,688.99 USD
Free Shipping
Starting at $ 1,688.99 USD
Free Shipping

Are you running more E85 or making more power on pump gas than your HPFP (High-Pressure Fuel Pump) can support?

Fuel-it has developed a port injection kit for your S55 that will provide you with the additional fueling capacity that you need to be able to run up to 100% E85 on stock or upgraded turbos.

What is port injection?

Port injection is a kit that is installed between your intake manifold and the cylinder head that runs off the low-pressure supply to provide you with more fueling than your stock system is capable of.  It's a relatively easy system to install and does not require any permanent modification to your car.

Port injection kits are offered in five different packages to meet your needs:

Base port injection kit: (included in Bronze, Silver or Platinum Kits)

  • Fuel-It! custom black anodized spacer for the intake manifold
  • Fuel-It! custom black anodized fuel rail
  • Black anodized aluminum and stainless steel hardware
  • Dual fuel supply port for those that are running inlets in the stock location (email us for info)
  • Optional return port for those that will be running an upgraded fuel pressure regulator 
  • Six of the following:
    • Flow matched Bosch injectors (52#)
    • Extended length steel bolts for mounting your new spacer 
    • BMW OEM gaskets

Bronze kit includes:

  • Base port injection kit
  • Basic fuel line connection kit
    • Two custom Fuel-It! fittings to maintain your stock fuel line connections at the HPFP and the feed line as it enters the engine bay
    • -6an (3/8") upgraded fuel lines
    • High flow custom Fuel-It! "Y" adapter
    • -6an fuel rail connection

Silver kit includes:

  • Base port injection kit
  • Basic fuel line connection kit​
  • An upgraded fuel line that completely replaces the stock fuel line

Platinum kit includes:

  • Base port injection kit
  • Basic fuel line connection kit​
  • An upgraded fuel line that completely replaces the stock fuel line​
  • Integrated ethanol sensor​
  • Bluetooth and JB4 compatible ethanol analyzer
    • JB4 integration compatible 0-5volt
    • Bluetooth (iPhone or Android app must be purchased to use this feature)

*These kits are available for off-road use only

*All port injection kits are built to order.

*Ethanol Sensors don't actually read the ethanol content, the readings are based on the absence of gasoline, so if your fuel is contaminated, your ethanol readings may be artificially elevated.

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