2019 BMW X4 M40i Performance Parts

Bundle and SAVE! Choose your color combo to dress up your engine bay! The Precision Raceworks Billet Coolant Cap Set is a functional and stunningly stylish way to add a nice touch to any engine bay! These caps come in three color options so there is...

The Precision Raceworks Engine Coolant Reservoir Cap is a functional and stunningly stylish way to add a nice touch to any engine bay! This cap come in three color options so there is always a color that will work for you! Black with Billet,...

The Precision Raceworks Auxiliary Coolant Reservoir Cap is a functional and stunningly stylish way to add a nice touch to any engine bay! This cap come in three color options so there is always a color that will work for you! Black with Billet,...

The Precision Raceworks Billet Engine Oil Cap is a functional and stunningly stylish way to add a nice touch to any engine bay! This cap come in three color options so there is always a color that will work for you! Black with Billet,...

The Precision Raceworks Plug-n-Play Ethanol Sensor Breakout Harness allows you to have a clean wiring solution to split the signal coming from your ethanol sensor between 2 analyzers (Example signal going to ECU or controller and to a gauge or Bluetooth display at the...

This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+. This harness is a must for anyone wanting to connect an Ethanol Content Sensor to your Re|Flex+ allowing control based on real time ethanol content. For...

The Precision Raceworks S58/B58 Plug and Play Install Harness for the Motiv ReFlex+ is certified by Motiv and a must for anyone adding a ReFlex+ to their S58 or B58 vehicle! With this harness, there is no cutting, crimping, or splicing of your factory...

This is the same pressure switch that comes with all of our pump activation harnesses. It includes wires attached with the same 2-pin connector found on our pump activation harness. Available as 13psi or 30psi switches.

Introducing the Precision Raceworks In-Line Fuel Filter! This fuel filter features a precision machined aluminum body and fittings. AN8 female ORB on each end. *Does not include any mounting Recommended Fittings for ends AN-8 ORB to AN-6 Male Flare AN-8 ORB to AN-6 Female...

Direct Injection fuel system upgrades for the B58 Gen 1 are finally here! Precision Raceworks Stage 1 and Stage 2 injectors are for those looking to push their B58 Gen 1 to the next level without the need for port injection! Inside the box,...

Adjustable High Flow Fuel Pressure Regulator with 1 to 1 boost reference

Precision Raceworks is proud to present the Gauntlet High Pressure Fuel Pump for the B58 Gen 1 engine. This cutting-edge pump flows 70% more fuel than the stock pump and offers an additional 4% over our original Big Bore HPFP. Designed for enthusiasts who...

26% larger than Stock S58 60% larger than Stock B58 Gen 2 350 bar fuel pressure capable (fuel rail target), will accommodate normal overpressure in operation Direct fit, no harness adapters or spacers required Ethanol compatible OEM equivalent spray pattern with an 8 hole spray geometry!...

Ready to take your BMW’s interior to the next level? With the AutoTecknic Competition Shift Paddle Set, you can customize your car’s look to your heart’s content. Made with high quality, sturdy aluminum and painted by hand right at IND, these paddles are the...

Product details Weistec Horsepower 423 Weistec Torque 434 Manufacturer Weistec Street legal in all the US States No Engine Family B58 Stock Horsepower 322 Stock Torque 332 Tuning Method Cypher Plus Needs Unlock? Yes Pops & Bangs Available? Yes Auto Start/Stop Removable? ECU Induction...