Car and Modifications:

Control Baseline:

• 2009 BMW M3
• Turner Test Pipe
• Primary CAT Delete
• AA Green Filter
• Evolve ECU Tune for CAT Delete
• OEM X-Pipe and Secondary CAT intact
• Stock Exhaust
• 6MT
• 93 Octane

Further Modifications:

• Macht Schnell Underdrive Pulley
• Macht Schnell Stage-2 Intake

Conditions:

Control Baseline:

• Temparature:: 83.01 degrees F
• Atmospheric pressure: 29.90 inHg
• Humidity: 49%
• Density Altitude:  1911 Ft.
• SAE Correction: 1.002
• STD Correction:  1.030
• Uncorrected: 1.000

Further Modification:

• Temparature:: 80.14 degrees F
• Atmospheric pressure: 29.87 inHg
• Humidity: 56%
• Density Altitude: 1776 Ft.
• SAE Correction: 1.001
• STD Correction:  1.029
• Uncorrected: 1.000

Results:

Control Baseline:

• SAE Corrected: 342whp @ 7740 RPM, 263wtq @ 3780 RPM
• STD Corrected: 350whp, 269wtq
• Uncorrected: 341whp, 262wtq

Further Modifications:

• SAE Corrected: 359whp @ 8020 RPM, 273wtq @ 3820 RPM
• STD Corrected: 367whp, 279wtq
• Uncorrected: 359whp, 272wtq

Dyno Database:

Control Baseline:

• Dyno files are available from the links below.
• SAE Corrected
• STD Corrected
• Uncorrected

Further Modifications:

• Dyno files are available from the links below.
• SAE Corrected
• STD Corrected
• Uncorrected

Individual Dyno Results:

The legend below has the following meaning:

• Dyno Run:  Dyno run file
• Timestamp
• Temp(F) = Temperature (Farenheit)
• RelH = Relative Humidity
• Pressure(Hg) = Barometric Pressure
• DA(ft) = Density Altitude
• WHP(unc) = Uncorrected wheel horsepower
• WTQ(unc) = Uncorrected wheel torque
• WHP(SAEd) = SAE Corrected Horsepower using Dynojet weather station.
• WTQ(SAEd) = SAE Corrected Torque using Dynojet weather station.

Control Baseline:

Dyno Run	Timestamp	Temp(F)	RelH	Press(Hg)	DA(ft)	WHP(unc)	WTQ(unc)	WHP(SAEd)	WTQ(SAEd)
Run_001	Unknown	81.99	51.0	29.89	1860	337.5	261.8	338.1	262.2
Run_002	Unknown	82.17	50.0	29.90	1857	338.6	251.6	339.1	252.0
Run_003	16:17:38	83.01	49.0	29.90	1911	340.8	262.3	341.6	263.0
Run_004	16:20:01	83.23	47.0	29.88	1939	338.0	262.9	339.0	263.6
Run_005	16:22:38	83.37	48.0	29.89	1942	337.7	260.1	338.7	260.9

Further Modifications:

Dyno Run	Timestamp	Temp(F)	RelH	Press(Hg)	DA(ft)	WHP(unc)	WTQ(unc)	WHP(SAEd)	WTQ(SAEd)
Run_006	Unknown	79.97	56.0	29.86	1775	352.6	271.8	253.0	272.1
Run_007	18:08:20	80.14	56.0	29.87	1776	358.6	272.2	359.1	272.6
Run_008	18:09:31	80.53	55.0	29.84	1833	350.3	271.1	351.3	271.9
Run_009	18:11:11	80.41	56.0	29.86	1806	351.0	269.9	351.7	270.0
Run_010	18:12:08	80.28	55.0	29.87	1781	348.7	258.6	349.2	259.0

* Entry used for the Dyno Database