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Re: K&N filter There is definitely a difference. Air is needed for combustion and with a vacuum created behind the filter for NA cars, the performance is not really there. Hence majority are going into supercharge and turbocharge to beef up on power. This alone is the key contribution to...

Re: What intake are you on? Hi Guys, with the current TC range of BMWs, the original engine air filter element actually has enough surface area to breathe but dependent on the media. If its paper, its ok, if its K&N, you need to ensure you keep it in good shape as in not too much oil. As...

Re: What intake are you on? Hi Guys, with the current TC range of BMWs, the original engine air filter element actually has enough surface area to breathe but dependent on the media. If its paper, its ok, if its K&N, you need to ensure you keep it in good shape as in not too much oil. As for...

Re: [you], how did you choose / get your nickname? Hi Guys and Gals, Im new here too. We are from Hurricane Sports filter. Seems BMWs are lately very popular since COE skyrocketed. I drive a humble Japanese car.