In Reply to: What is... posted by Ron Serafine on June 16, 2002 at 15:42:16:
(posted from: fhcfl02.verizon.com (198.23.5.11))
...the unit mounted on top of the ECU in an `88 E28 M5? I think that the p/n = 0265 100 020, or something close to that. I should've written it down! It is silver metal, a little thinner than the ECU top-to-bottom.