09-14-2011, 04:58 PM | #1 |
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Open air filter a bad idea on X3?
I'm used to my three turbocharged Saabs where I exclusively used K&N filters unrestricted (no air box). I'm assuming the ECU is tuned to a specific setting and an open air filter will probably cause performance issues by throwing off the expected air/fuel ratio?
Can anyone corroborate? |
09-16-2011, 02:50 PM | #2 |
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If you are trying to make it louder, then yes it will do that. Other than that, save your money, use good quality paper filters and drive the car.
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