I noticed the concaveness. I had to go out and look at mine... Not the same. I think the Speedtechs and a roll should be able to work. With those wheels it's a bit of a gamble with rubbing, but I guess I'll give it a shot.
2009 135i - SG/Coral - 19" Alufelgen SF-71 - ST Coilovers - Cobb Stage 2+ - AR Downpipes - Berk Sport Exhaust - Active Autowerke Charge Pipe - AMS FMIC - AFE DCI - LUX V3 Angel Eyes - LCI Blacklines - BMW Performance CF Spoiler - Kerscher Carbon Splitter - Scopian CF Diffuser - MusicarNW Level 2