If i go FMIC i need to get a remap, but as i see it you can not remap my Z4 ecu. Would this mean i need to get an aftermarket ecu too?

If so that makes it an expensive operation.

 

you have a few options you can go for

polar performance chip (not e bay chips!!!!!!!!) cheapest safe option

esl live daughter board (JGM, ANDY FOREST,ETC) best value option as you can remap for any future mods and you keep all safety features the factory ecu has and thats never a bad thing ! thats what i did

apexi

or big money motec, simtec,etc

 

Nice one fella!

 

no problem fella mine has run an esl now for two years now mapped by scooby clinic due a tweek soon i think but my mate has a wrx with de-cat fmic green filter and he has run a polar performance chip for over a year and he has never had a problem pm scott t on here or go to his site for more info think he does esl to