which induction filter BMC CDA or Pipercross Viper

[grommet]

Hi iv got about £200 or $320 to spend on an induction filter so iv have been looking at the BMC CDA and the Pipercross viper, so can you people give me your opinoin on which is the best out of these two?

[sprintman]

Wrong forum. You need to be on a U.K form like BMWland.co.uk or bimmerforums.co.uk.