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 Helix HPFP Overdrive Unit

Spool Performance is thrilled to introduce our latest innovation for the N54/early N55 community: the...

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 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...

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...

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 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 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 2021+ Mild Hybrid 8HP51 Oil Pan

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