tires are only one of many variables.
higher speed limiter is also based on, but not limited to:
1. engine (power, size, torque curve, ...)
2. supporting devices to cool the engine (i.e. oil cooler, inter-cooler, engine coolant, ...)
3. transmission
4a. if AT, supporting devices to cool the AT transmission (transmission fluid, ...)
4b. if MT, clutch & flywheel
5. aerodynamics of the car
Quote:
Originally Posted by Auto Pilot
Note: Power Kits should only be installed on 135i and 335i vehicles equipped with option code S840 (increased top speed limiter – which includes an additional oil cooler).
I find this comment confusing, isn't the existence of a higher speed limiter based upon the tires on the car?
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