n75

As some of you already know, i am deeply into N75 valve investigating & experimenting lately. Here's a new & easy DIY mod which will work for anybody (with chipped or unchipped car) and doesn't really need any major modifications on the car which couldn't be reverted ANY time in just 5 minutes...

As we all know our N75 valves do limit the performance of our cars, many of you are thinking of purchasing aftermarket N75 valves. I had lots of time spent of buggering my N75 valves as it seems that a perfectly(!) working N75 valve was messing up my power delivery big time, finally my problem...