Quote:
Originally Posted by ovekvam
But I guess all steering racks have slower gearing around the center position than the ends. I even had that on my E30. Do you have some link or drawing to show how it works on the F20 with the variable ratio?
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BMW themselves are very reserved about releasing detail, other than brief descriptions and their brochure blurb.
What I have read doesn't seem to show anything more involved than a basic variable rack, obviously the software can enhance the working parameters.
ZF material (like the link) just spell out the basics, page 7 shows the gear profiles, how it physically makes a variable rack, and a little explanation. But we certainly are not into new technology, just an enhanced application instead of a fixed rack system.
http://www.zf-lenksysteme.com/upload...a/ZHL_E_08.pdf
HighlandPete