I was addressing the question related to the X1, which BMW designed more as a "people mover" or an RRV (Rapid Response Vehicle) depending on the chosen powerplant, rather than a pursuit vehicle.
These 3 Series are a different ball game altogether. They are Interceptors, and as such do benefit from the full Police Package, including different gear ratios and "performance enhancers"..
But enough about the 3Series, otherwise we'll be