[jhbodle]

Originally Posted by bdozer

has anyone used these in the past? http://www.diesel-performance.co.uk/...le.php?id=4271 looks like they have an F30 usa spec kit.

Used one of these on a F20 125d and the engine didn't like it. Engine occasionally shuddered badly at around 4000rpm with a big loss in power. Felt good except for that.