BMW M4 F82 — STAGE 3 / 743 HP

Track-focused S55 development project combining engine calibration, supporting hardware upgrades and chassis development

PROJECT OVERVIEW

This BMW M4 F82 has been used as a development platform for S55 performance calibration and supporting hardware. The setup has evolved through several stages, with a focus on repeatable performance, thermal control and drivability.

BUILD SPEC:

ENGINE / PERFORMANCE

• 743 HP on E30
• Turbosystems Stage 1 upgraded turbos
• BMW M5 EU5 injectors
• RK Autowerks carbon intake
• DO88 J-Pipe
• Downpipes
• Aluminium charge pipes
• Full Akrapovič titanium exhaust system
• Water-methanol injection (Snow Performance with progressive controller)
• Custom ECU calibration
• MHD license
• MHD flex fuel sensor – map adjusts dynamically based on ethanol content, no manual map switching required
• Flex-fuel map PB98-E30
• PB98-WMI map – allows consistent high performance even without E30 blend in the tank
• Best 100-200 km/h: 5.33 sec
  
  GTS CODING
• DCT gearbox coded to M4 GTS software
• Active M Differential coded to M4 GTS software
• Steering coded to M4 GTS setup
  
  SUSPENSION
• KW V4 Clubsport 3way
• Approx. -3° front camber
• Approx. -1.9° rear camber
• PMC adjustable rear arms
• Track-focused alignment
  
  BRAKES
• EBC floating front brake discs
• HAWK HPS 5.0 brake pads
• Stainless steel braided brake lines

PERFORMANCE

DYNO