BMW N54/N55 Helix HPFP Overdrive Unit - Spool Performance SP-54HX-1

BMW N54/N55 Helix HPFP Overdrive Unit - Spool Performance SP-54HX-1 Spool Performance Helix HPFP overdrive system Spool Performance is really excited to introduce our latest product offering to the...

BMW 3.5″ N54 & N55 Catback Exhaust - VRSF 10902020

BMW 3.5″ Catback Exhaust - VRSF 10902020 Without a doubt, the VRSF 3.5″ Catback Exhaust for your N54 & N55 335i is THE best option for your 335. Our exhaust is made from the highest quality 304...

BMW Chargepipe Upgrade Kit - VRSF 10901020

BMW Chargepipe Upgrade Kit - VRSF 10901020 Increase throttle response and decreases turbo lag with the VRSF chargepipe for your 135i/335i/335is. Our aluminum chargepipe features a CNC billet al

BMW Single Groove Intake Valve Lock Set - Supertech KPR-5.0/7S-24

Supertech Valve Locks are precision-engineered for high-performance street and racing applications, offering superior retention under extreme loads and high RPM. Each lock is now fully CNC machined...

BMW Single Groove Exhaust Valve Lock Set - Supertech KPR-6S-7-24

Supertech Valve Locks are precision-engineered for high-performance street and racing applications, offering superior retention under extreme loads and high RPM. Each lock is now fully CNC machined...

BMW Intake Viton Valve Stem Seal Set - Supertech VSI-BM50-I-12

Supertech Valve Stem Seals are engineered to deliver maximum oil control and longevity for the intake side of the cylinder head. Built with advanced materials and tight production tolerances, these...

BMW 6mm Exhaust Viton Valve Stem Seal Set - Supertech VSI-BM60-E-12

Supertech Valve Stem Seals are engineered to deliver maximum oil control and longevity for the exhaust side of the cylinder head. Built with advanced materials and tight production tolerances, these...

BMW Titanium Retainers - Supertech RET-BMN54-TI-12

Supertech Titanium Retainers are designed for high-revving and high-stress racing or performance applications. Manufactured from high-grade titanium alloy, these retainers deliver outstanding...

BMW H- Beam Connecting Rod Set - Supertech CR-BMN55-H144.35-6

Features: Design: H-Beam Weight: N/A per rod Rod Count: Set of 6 Manufactured from high tensile strength 4340 alloy steel

BMW 84mm STD Forged Piston Kit - Supertech P6-BMN55-84-T

Supertech Pistons are manufactured from high-strength 2618 alloy that delivers excellent durability and superior performance under high boost and race conditions. Its thermal stability and low...

BMW Conical Spring Kit with Steel Retainers - Supertech SPRK-FE20N54-BE-2

Our Conical Valve Spring Kit with Steel Retainers for a BMW S55 Turbo is built for BMW S55 Turbo applications—engineered for reliable valve control, RPM stability, and long-term durability. Conical...

BMW Conical Spring Kit with Steel Retainers - Supertech SPRK-FE20N54-BE

Our Conical Valve Spring Kit with Steel Retainers for a BMW S55 Turbo is built for BMW S55 Turbo applications—engineered for reliable valve control, RPM stability, and long-term durability. Conical...

BMW Stainless Steel Black Nitride Intake Valve Set - Supertech BMIVN-1055S-12

Supertech Engine Valves are engineered for high-performance street and racing applications, delivering exceptional strength, heat resistance, and precise fit. Production begins with a one-piece...

BMW Sodium Filled Inconel Exhaust Valve Set - Supertech BMEVI-1055S-HS-12

Supertech Engine Valves are engineered for high-performance street and racing applications, delivering exceptional strength, heat resistance, and precise fit. Production begins with a one-piece...

BMW Sodium Filled Inconel Exhaust Valve - Supertech BMEVI-1055S-HS

Supertech Engine Valves are engineered for high-performance street and racing applications, delivering exceptional strength, heat resistance, and precise fit. Production begins with a one-piece...

BMW Titanium Retainer Set - Supertech RET-BMN54-TE-12

Supertech Titanium Retainers are designed for high-revving and high-stress racing or performance applications. Manufactured from high-grade titanium alloy, these retainers deliver outstanding...

BMW Billet Aluminum DCT Transmission Pan - Mastery of Art & Design MAD-103

Introducing the MAD Billet Aluminum BMW Transmission Pan, a premium upgrade designed to enhance the performance, durability, and reliability of your BMW's DCT (Dual Clutch Transmission)...

BMW N55 Cylinder Head Stud Set (Burnished) - Wagner Tuning P102061410.BR

This set replaces the original cylinder head bolts with high-strength Pro-Series 18.8 stud bolts. This is necessary in the case of significant power increases, as the original cylinder head bolts can...

BMW N55/S55 Connecting Rod Set - ItalianRP IRPR504

The ItalianRP connecting rods are a solid performance upgrade for anyone building or reinforcing a BMW N55 and S55 engine. Designed for the 3.0L inline-six found in models like the 135i, 335i, 535i,...

BMW N55 Piston Set - ItalianRP IRPP505DA

The ItalianRP piston is a high-performance upgrade designed specifically for BMW’s N55B30 3.0L engine, found in models like the 135i, 335i, 435i, 535i, and various X-series and M variants. Made from...