Quote:
Originally Posted by GrimJaw
Quote:
Originally Posted by sea_m235i
Quote:
Originally Posted by GrimJaw
Is there a cold air intake that does not throw a CEL, but improves sound?
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Have you considered an OE MPPK lower intake with a drop in filter? No CEL, higher flow, better sound than stock. And a lot cheaper than other options. |
Lower as in... lower in the engine bay? |
No, the upper part of the air box and intake tube are the same as stock. Its the lower intake box (that hooks up to the air channel) that is different. You can purchase just the lower air box.
According to BMWs material, the additional opening in the lower air box is supposed to help with increased air flow, back pressure, and better sound. I run it myself.
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