Products

B58 Stainless Steel Downpipe Upgrade 4.5" [Race Downpipes]

-50%

*** B58 4.5" Inch Stainless Steel Downpipe Upgrade is currently on backorder. Orders will be...

Spool Stage 3 Low Pressure Fuel Pump - DIY Kit [FXX Gen 1 B58]

-18%

Spool Performance is excited to introduce our B58 DIY Stage 3 Kit, designed for enthusiasts...

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 IFX150 Upgraded DI Injectors [Gen 1 B58]

-10%

Spool Performance is proud to introduce the IFX 150, our upgraded Direct Injection (DI) injectors...

Spool FX-200 Upgraded High Pressure Pump [Gen 1 B58]

What is the FX-200? The FX-200 is a Stage 2 upgraded high-pressure fuel pump for...

Spool Stage 3 Low Pressure Fuel Pump - [FXX Gen 1 B58]

Spool Performance is proud to introduce the drop-in Stage 3 Low-Pressure Fuel Pump (LPFP) upgrade...

Spool BMW Gen 1 B58 Wireless Ethanol Analyzer Kit

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

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,...

B58 5 Inch Stainless Steel Downpipe Upgrade [Race Downpipes]

*** B58 5 Inch Stainless Steel Downpipe Upgrade is currently on backorder. Orders will be...

Spool FX-400 Upgraded High Pressure Pump [Gen 1 B58]

Spool Performance is proud to introduce our flag-ship 200 bar high-pressure fuel pump. The FX400 improves on our...

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

Spool Performance Billet Aluminum 8HP Transmission Oil Pan The Spool Performance Billet Aluminum 8HP Transmission...

Spool Performance Billet Manifold Gen 1 B58 Top Mount Turbocharger Kit

Spool Performance Billet Manifold Gen 1 B58 Top Mount Turbo Kit   Spool Performance is...

Spool FX-170 Upgraded High Pressure Fuel Pump [Gen 1 B58]

Spool FX-170 Gen 1 B58 Upgraded High Pressure Fuel Pump What is the FX-170? The...

B58 Gen 1 Exhaust Cam Fuel Lobe Mod | +40%

-31%

Spool Performance is proud to offer our in-house B58 Gen1 Exhaust Cam Fuel Lobe Mod service...

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...

Spool Performance IFX800 Upgraded Turbocharger | Gen 1 B58

Spool Performance Upgraded Turbocharger for Gen 1 B58 Models The stock turbo on the Gen...