I'm selling am M rear bumper diffuser trim nozzle used on '35is' models. This bottom piece is an add-on to the 'is' rear diffuser to piece. I bought it new from a dealership and had it professionally painted Alpine White. There is 1 tab missing (see pic) but it mounts without issue.
Part# 51122158799
$60 local pick-up in Orange County, CA. Shipping at buyer's expense.