Tighten the steering: Macuser reported on AudiZine.com that by
coding in 09 - Cent. Elect. the byte 07 from 01 to 00 (that is, turn off/set to 0 the bit 0 in byte 7) will tighten/stiffen the steering considerably. As with the TPMS
coding above which affected the ABS unit, a word of serious warning because this affects systems relating to control of car. This
coding was apparently found by accident, nobody in public seems to know what it really does and how. It might adversely affect your car's control, warranty and/or break it, for all we know. So try at your own risk, with care and outside of open roads. Follow the story here:
http://www.audizine.com/forum/showthread.php?t=341174 and
http://www.audizine.com/forum/showthread.php?t=278256&page=12.