You're a little late to the party but that's interesting feedback none the less. I also never stated or implied anything about whether they were a better option with or without FI. Someone else brought them up and I was merely pointing out that they are not emissions legal in the US and that they didn't fit the topic of this thread.
Originally Posted by silyb0y
Those Schmiedmann parts are not necessarily better. There is an austrian guy who runs these parts in his 323 (forced induction) -> cats burned out. Schmiedmann told him that these cats arent made for FI cars.
04 IR 330i ZHP | ESS TS2+ SC | MagnaFlow "headers" | KMS 3.64 LSD | AST 4100 550/650| APEX ARC-8 18x9 | H&R front sway bar | Vorshlag camber plates, RTAB limiters | TMS subframe & swaybar reinforcements | UUC SSK & DSSR | UUC TM & TME | BW motor mounts | Dinan strut & shock tower bars | vaio 4-bolt oil pump