cj10jeeper said:K&N make a panel filter.
Frankly don't waste your time or money as the Zed system is already very good
andyf98 said:Been abroad in NZ since then and the car was in storage. Now I'm back in the UK I want to start modifying the car.
Can anybody help please ? all the sites suggest that I'm barking up a rotten tree. Will the 2.5i K&N filter fit ?
Thanks again.
Thought this was a good site for getting quality information from z4 owners ? Many thanks.
AndyBeech said:You've had quality information, it's a waste of time, you are barking up a rotten tree. If you want noise go the exhaust route, sure there are plenty of threads on backbox deletes etc.
Boogle said:cj10jeeper said:K&N make a panel filter.
Frankly don't waste your time or money as the Zed system is already very good
+1, can't see the point imho.

andyf98 said:Been abroad in NZ since then and the car was in storage. Now I'm back in the UK I want to start modifying the car.
Can anybody help please ? all the sites suggest that I'm barking up a rotten tree. Will the 2.5i K&N filter fit ?
Thanks again.
Thought this was a good site for getting quality information from z4 owners ? Many thanks.

Johnny Essex said:Aye mate. Give your car over to a cowboy garage and turbo the 2.0 litre engine. Believe me it's "unique" and "no one has ever done it before/yet". I believe it will whip many 3.0 litre engines and possibly the 3.2 ///M brigade since "it will be lighter".
Don't listen to anyone. Just do it if everyone says no.![]()