RK Autowerks BMW S58 Port Injection Pack

From $399.00

PI Kit


In stock (can be backordered)

Injector Add-Ons

RK Autowerks 750cc Fuel Injectors packaged in pack of 6 units For use with highly modified, high horsepower engines.

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Injector Dynamics ID1050x Fuel Injectors Injector Dynamics fuel injectors are a built-to-spec motorsport injector, offering optimization of critical operating parameters important to you, the motorsport tuner. Built on the evolution of the ID1000 and X Series, these injectors are a drastic improvement over previous series from Injector Dynamics. Order the set recommended for your vehicle. 1050x ID Part No: 1050.

In stock (can be backordered)

Injector Dynamics ID1300x Fuel Injectors Injector Dynamics ID1300x fuel injectors are high-flow models with characteristics specific to the needs of motorsport tuners. You get superior flow without sacrificing idle and cruising performance in low fuel demand situations. This perfect balance between reliability and performance makes the 1300x Series one of the most popular options in today's motorsports. These injectors not only work with gasoline, but any ethanol fuels your engine is tuned for. The stainless internals prevent corrosion, add durability, and provide dependable flow in high performance engines. Order the ID1300x fuel injectors recommended for your vehicle. 1300x ID Part No: 1300.

Available on backorder

Fuel Rail (For Installation on the Stock Intake Manifold)

For use with the RK S58 Port Injection Kit when utilizing the Stock Manifold.   If you purchased our Port Injection Manifold- you will not need this!

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Fueling Add-ons

These are genuine Continental (VDO) Flex Fuel E85 Sensors used to measure the ethanol-gasoline ratio of the fuel being used in a flexible fuel vehicle. Flexible fuel vehicles can be operated with a blend of ethanol and gasoline, up to 98 percent ethanol, depending on the vehicles fuel lines and injectors. Both inlet and outlet are 3/8" SAE sized fittings.

Available on backorder

In it's simplest form, the ReFlex+ can be used as a standalone port fuel injector controller on engines with up to eight cylinders. Each ReFlex+ is fully configurable to be used on any vehicle through programmable cam, crank, and map sensor inputs in the tuning software. With Harness: Reduce installation time and frustration with genuine connectors an no splicing Allows Motiv Reflex to control port injectors, secondary fuel pumps, and/or boost controllers Helpful Harness Installation Video and Instructions: https://www.tensilitymotorsports.com/instructions

In stock (can be backordered)


RK Autowerks S58 Port Injection Kit

Fuel Rail Add-On – For installation on the Stock Intake Manifold


  • RK Autowerks S58 Fuel Rail
  • E85 Capable Fuel Lines
  • All Necessary Fuel Fittings


  • Injectors – RK 750cc
  • Injectors – ID 1050x
  • Injectors – ID 1300x
  • Ethanol Content Sensor
  • Motiv Reflex+ & Harness

Compatible with:

  • Stock S58 Manifold
  • RK Autowerks Billet Port Injection Manifold

Can be installed into the following vehicles:

  • M3 | G80 | 2021+
  • M4 | G82 G83 | 2021+
  • X3M | F97 | 2019+
  • X4M | F98 | 2019+

Additional information

Weight 5 lbs
Dimensions 24 × 4 × 4 in


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