My boot broke and I am waiting for it to come from Germany. I had a circular CAI filter sitting around so bolted it to the MAF housing.

I have averaged 13.5 mpg mixed driving (12x miles per 1/4 tank) I am at 98 miles on 1/16 on 100% street since I removed the oem box.

Does this make any sense?

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BMWCCA # 480346

'72 e6Tii rip
'90 e30iC sold