Products

Spool Charge Pipe Upgrade Kit | [B58 Gen 1 & B58 Gen 2]

Spool Performance Charge Pipe Upgrade KitFor 2016–2024 F & G Series M140i, M240i, 340i, 440i,...

Spool Performance 8HP45, 8HP50, 8HP51 Stage 2 Upgraded Transmission DIY Parts Kit

After over a year of rigorous testing, Spool Performance proudly presents our Stage 2 Transmission...

SPOOL B58 G2 / S58 Plug and Play Motiv Reflex Plus Harness

-40%

Spool Performance B58 Gen 2 / S58 Plug-and-Play Reflex+ Harness The Spool Performance Plug-and-Play Harness...

B58 5 Inch Stainless Steel Downpipe Upgrade [Race Downpipes]

Spool 5 Inch B58 Downpipe Why Settle for the Same Rebranded Downpipes? Let’s face it—most...

Spool Stage 3 Low Pressure Fuel Pump - DIY Kit [Gen 2 B58]

Spool Performance is excited to introduce our DIY Stage 3 Low-Pressure Fuel Pump Kit for...

Spool Performance Handheld Ethanol Content Analyzer

The Spool Performance Handheld Ethanol Content Analyzer is a must-have tool for anyone who wants precise...

Spool FX-350 Upgraded High Pressure Fuel Pump [Gen 2 B58]

-8%

Spool Performance is proud to introduce our latest and greatest high pressure fuel pump capable...

Spool Performance 8HP45, 8HP50, 8HP51, 8HP70, 8HP76 Aluminum High Capacity Transmission Oil Pan

Spool Performance Aluminum 8HP Transmission Oil Pan (2 Quarts of fluid over stock!)  The Spool...

Spool Performance 4" Turbo Inlet Guard

-25%

Protect your turbo with the advanced Spool Performance Billet Turbo Guard, specifically engineered to shield...

Spool Performance Billet Manifold B58 Gen 2 Top Mount Turbocharger Kit

Spool Performance Billet Manifold  BMW Gen 2 B58 Top Mount Turbocharger Kit Spool Performance is proud...

8HPX High Stall Upgraded Torque converter

Built for serious BMW performance enthusiasts, the Spool Performance Upgraded High-Stall Torque Converter is the...

Spool BMW Gen 2 B58 Wireless Ethanol Analyzer Kit

The Spool wireless Ethanol Analyzer kit is a very cost-effective and robust ethanol content and...

A90/ A91 Supra IFX350-X Gen2 B58 upgraded DI injectors Stage 2 +60%

Spool Performance is proud to introduce our upgraded DI injectors for the Toyota Supra Gen2...

Spool Performance 8HP45, 8HP50, 8HP51 Billet Aluminum High Capacity Transmission Oil Pan Service Kit

Spool Performance Billet Aluminum 8HP Transmission Oil Pan Service Kit Our billet transmission oil pan...

Spool Stage 2 IFX350X Upgraded DI Injectors +60% [Gen 2 B58]

Spool Performance is proud to introduce our upgraded DI injectors for the Toyota Supra Gen2...

Spool Stage 1 IFX350 Upgraded DI Injectors +30% [Gen 2 B58]

-20%

Spool Performance is proud to introduce  our upgraded DI injectors for the Gen2 B58 Platform....

Spool Performance 8HP45, 8HP50, 8HP51 Stage 2 Upgraded Transmission - Build at Spool Performance HQ

We have been getting a lot of requests to have the DIY Kits installed and...

A90/ A91 Supra IFX350 Gen2 B58 upgraded DI injectors Stage 1 +30%

-20%

Spool Performance is proud to introduce our upgraded DI injectors for the Toyota Supra Gen2...

SPOOL B58/S58 Plug and Play Ethanol Sensor Harness

-50%

Spool Performance B58/S58 Plug and Play Ethanol Sensor Harness Connect our ethanol sensor harness to...

Spool Performance 8HP45 / 8HP50 / 8HP51 upgraded billet 7075-T6 D Clutch Drum

-40%

Spool Performance 8HP45 / 8HP50 / 8HP51 upgraded billet 7075-T6 D Clutch Drum   The...

Spool Performance 2021+ Mild Hybrid 8HP51 Oil Pan

Spool Performance 2021+ Mild Hybrid 8HP51 Oil Pan When building a transmission, replacing the oil...

Spool Performance B58 Engine Build

Spool Performance B58 Engine Build Program $8,910.00 is the price for labor for assembly, please...

Spool Stage 4 FX400X Upgraded High Pressure Fuel Pump [B58 Gen 2]

THIS PRODUCT IS CURRENTLY ON BACKORDER. CONTACT US AT CUSTOMER_SERVICE@SPOOLPERFORMANCE.US IF YOU HAVE ANY QUESTIONS....