Hey guys, wanted to get your opinios regarding this issue. My ride is e90 LCI 320d and I'm thinking of getting a performance upgrade. Added the K&N performance air filter the other day.1. Vector tuning around RM 1.6k2. Race Chip Ultimate around RM 2.5k3. ECU remap around RM 3k to 4kI hope all sifu's here can give me your opinions and experience with these products as well as recommend products in order to help all here. Cheers guys! :top: