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Modified air box cover.
So I picked up a spare airbox from a 2011 auto.
Has a different maf in it compared to the one in my car.
If someone needs an airbox back and maf for a 2011 auto (with carbon filter removed) let me know.
So I checked where the air flow would be coming from with my 135 bumpers. Basically the entire driver side vent dumps into the space behind the headlight with no vents for brake cooling like you would have in the 135.
I think the under hood temps will be no different once car is moving. I'll be watching intake air temp with an OBDII reader real time.
I removed a large portion of the front cover.
Reinstalled with the K&N filter already in the car and unleashed the BMW intake sound!!!
Wow what a great sound. THAT is what the car should sound like.
Throttle response feels quicker. Butt dyno says YES!!!!
So it is about a 5 minute swap to go between stock and modified covers.
Once I confirm temps are close to ambient under way I will call it a success.
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