Test 05 SI Assessment Factors Fn And Ft (0 or 1)
WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
Currently dependent on engine speed and coolant temperature;
Presentation: n0 or n1...t0 or t1, where n is the speed factor and t is the temperature factor.
Shaft speed threshold
Petrol-driven engines 4512 min-1
Diesel 3808 min-1