Originally Posted by cyba
Hamann style diffusers are for stock 335i bumpers regardless of E90 or E92.
If you have m-tech bumper and want to go quads just get M-tech CF quad diffuser
So the Hamann quad diffuser works with the stock 335i coupe bumper?
How does it install on the stock bumper?
Any more pix?
2008 BMW 335i//Jet Black on Black Dakota Leather//Steptronic, Sport Package, Premium Package, Logic7 Sound, Aluminum Trim, iPOD & USB, Cobb S1+ Sport, ER FMIC, K&N Filter, H&R Sport Springs, Koni Yellows, ECS Tuning spacers (F-10mm/R-15mm), Akebono pads, OEM Rear Aero Spoiler, OEM Sport Diffusor, Cyba 3.8" Tips, OEM Aluminum Pedals, M-tech Steering Wheel, Clear Reflectors