Email response:
Thank you very much for your email inquiry.
Here is the information you requested,
* AC Schnitzer Spring kit (316 & 318ti): 3131 3662: $425.00 (ETA: 2-3 weeks)
** We are placing an airfreight order on the 3rd of August which the parts will arrive on the 11th.
** The approx. lowering is 25mm. Walter Tsai
Claus Ettensberger Corporation
Sales Executive
Also found a ACS Catalogue that references
30mm but not entirely sure that it refers to the lowering height.
http://www.brunsnet.de/BMW/schnitzer/ http://www.brunsnet.de/BMW/schnitzer/Bild6.jpg