1/5F80 M3 S55 Full Bolt-On Build
BMW F80 M3
S55
Comprehensive bolt-on build for the F80 M3 S55 platform. Upgraded from stock turbos to EFR 8474 with supporting mods. Methanol injection for consistent IATs under heavy load. Track-proven setup.
Parts Installed
KL Stage 2 ECU TuneBorgWarner EFR 8474Catless DownpipeCharge Pipe UpgradeMethanol Injection Kit
Build Result
680 WHP / 620 lb-ft — built for consistent lapping days without heat soak.