Products

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

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

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 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...

B58 5 Inch Stainless Steel Downpipe Upgrade [Race Downpipes]

**This product is currently on backorder. Please email customer_service@spoolperformance.us for information regarding availability.** Spool 5...

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 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 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 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 BMW Gen 1 B58 Wireless Ethanol Analyzer Kit

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

B58 5 Inch Stainless Steel 200 CELL Euro 5 Catted Downpipe Upgrade [Race Downpipes]

Spool 5 Inch B58 Downpipe 200 CELL CATTED - EURO 5 CATS Euro 5 catalytic...

BMW B58 Gen1 Auxiliary Split Fuel System

-28%

Spool Performance BMW B58 Gen 1 Auxiliary Fuel System The Spool Performance BMW B58 Gen...

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 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 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-350 Upgraded High Pressure Pump [Gen 1 B58]

Spool Performance is proud to introduce the FX350 High-Pressure Fuel Pump, a core upgrade in...

Spool Performance ZF 8HP45 / 8HP50 / 8HP51 Billet 300M C-Hub Cog Drive

Spool Performance ZF 8HP45 / 8HP50 / 8HP51 Billet 300M C-Hub Cog Drive The factory...

Spool Performance ATC-13 Stage 2 Transfer Case DIY Kit

-22%

Spool Performance ATC-13 Stage 2 Transfer Case DIY Kit The ATC-13 transfer case is a...

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...

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 2021+ Mild Hybrid 8HP51 Oil Pan

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