Spool B58 Downpipe 4.5” Race Downpipe Do not buy downpipes with 100 welds, more prone to cracking as for why we designed it this way, many other companies have a...
Spool Performance Charge Pipe Upgrade Kit For 2016–2024 F & G Series M140i, M240i, 340i, 440i, 540i, 740i, X3 & X4 BMWs with the B58 Engine Gen 1 & Gen...
Spool Performance is excited to introduce our B58 DIY Stage 3 Kit, designed for enthusiasts seeking a cost-effective solution to fueling challenges. This DIY kit offers similar flow rates as...
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 Kits for the...
The Spool wireless Ethanol Analyzer kit is a very cost-effective and robust ethanol content and fuel temperature monitoring solution. With the included smartphone app, the analyzer paired with a GM...
Spool Performance is thrilled to introduce our latest innovation for the N54/early N55 community: the Helix Overdrive Unit. After nearly a year of rigorous testing, we are proud to present this...
Spool Performance B58 Gen 2 / S58 Plug-and-Play Reflex+ Harness The Spool Performance Plug-and-Play Harness is the ultimate solution for installing a Motiv Reflex+ on your B58 Gen 2 or...
The Spool Performance Handheld Ethanol Content Analyzer is a must-have tool for anyone who wants precise control over their fuel quality. Instant Ethanol Readings: Quickly measure ethanol content in fuel directly...