Steering and Suspensions
Sree Auto is quite familiar with BMW steering performance and specifications because of analysis, testing, measurements of components and conversations with it's Development engineers (More so on the E46 5 Series version, though. The principle components of BMW steering performance are the OEM tires and the ZF provided steering system (pump, lines controller, valve and gear. Given the unique characteristics of a BMW Star labeled tire, the front suspension geometry is specified to fill in the connection between the desired tierod loads and load gradients and the desired steering wheel rim forces. Its is NOT done as the arbitrary lore from some 'designer'.