Dyno Results Shrieking Feline Mod on Betty (Updated with Dyno)
Vital Statistics
  • Vehicle / Motor
  • Dyno Type
  • Dyno Correction
  • Boost Log
  • Notes
 BMW E9x M3 (S65 Motor)
Dynapack
SAE (J1349)
Boost pressure (6.10 PSI) verified with boost log.
These values are corrected for RPM, TQ, and HP. Dyno operator used wrong gear ratio when testing.
Configuration (from Baseline)
  • 94 Octane (US), 98 Octane (RON)
  • 6-Speed Manual Transmission
Modification (since Baseline)
  • Harrop TVS Supercharger @ 6.10 PSI Boost
  • BPM Supercharger Tuning
Measured Results:
  • Torque
  • Horsepower
 340 FT/LBS
471 HP 		@ 5420 RPM
@ 8095 RPM 		(461.0 NM)
(477.5 PS) 		(47.01 KGM)
(351.2 KW)
Baseline Measurements:
  • Torque
  • Horsepower
 243 FT/LBS
347 HP 		@ 4102 RPM
@ 7576 RPM 		(329.5 NM)
(351.8 PS) 		(33.60 KGM)
(258.8 KW)
Performance Gains:
  • Torque
  • Horsepower
 97 FT/LBS
124 HP 		(131.5 NM)
(125.7 PS) 		(13.41 KGM)
(92.5 KW)
Dyno Graphs:
Other images:
Boost Log