I should add to this that I did the same test, and concluded I have the MULF (and 6FL) but I cannot find the MULF anywhere (I thought it would be in the trunk). So I'm less convinced that this is a definitive test.
Euro spec wide mirrors; sport wheel + paddles; staggered sport rims with Conti ExtremeContact DW. JL Audio 600/6 + technic harness; Gladen Audio 8" Woofers + musicarnw adapters; Morel Hybrid Ovations. For sale: Msport front & rear sways, springs, & rear struts; OEM 264 staggered sport rims -- the most aggressive OEM rims for the 1 series.