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Cuz Race Cars

F97 X3M F98 X4M G80 M3 G82 M4 Competition S58 BM3 ECU Flash Tune

F97 X3M F98 X4M G80 M3 G82 M4 Competition S58 BM3 ECU Flash Tune

£500.00 GBP
£500.00 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

BM3 flash tune for S58 engines in F97 X3M, F98 X4M, G80 M3 and G82 M4 Competition. Requires Femto unlock on G80/G82.

  • Stage 1 & Stage 2 off-the-shelf maps for 95 RON, 98 RON, E30 blend and race fuel
  • Flashed via OBD port in under 3 minutes - no ECU removal or workshop visit
  • Switch maps instantly on iOS, Android or web browser; full datalogging and live dash
  • Includes top speed limiter removal, exhaust burble control, Max Cooling Mode and cat efficiency CEL removal (off-road use)
  • Verified +33% HP and +44% TQ gains on E30 blend - UK-spec tested
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