air filter

[manchai]

hi all, anybody know where can get original (drop in type) stainless steel filter for m50 egine ?? thanxx

 

[absidian]

Not worth the trouble, really. Minimal gain if not none at all.

BMW's original paper was the best already, unless you wanna go for full CAI with heat shield, then you'll be looking for a Gruppe-M or Dave-F kit and probably a re-map to maximise the gain.