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Originally Posted by E90xi

Where did you get this intake set-up from, and what was the cost? Did you notice and sound or performance gains?

There's a GB for this. Check this out: http://www.e90post.com/forums/showpo...&postcount=102.

Originally Posted by FrankoQ

Great DIY!!!
Does it sound better

Unfortunately I didn't have enough time to evaluate the intake as I had to bring it to the shop first thing in the morning for the exhaust install.

Sound-wise, there's very little improvement or probably I didn't drive it long enough to notice it. Though I feel like the car was running better. In theory it should have an impact - the more cold air the engine gets, the better and more efficient it runs; an efficient engine does less work and shall gain better fuel consumption.

Btw, this is rated by BMW to have a performance gain of 3hp at 6K rpm.

Originally Posted by mikeokimster

I have never in my life seen such a user friendly DIY guide. AWESOME!

Originally Posted by nyc3r

Excellent write up! I vote for Allan to rewrite all DIYs in this section THANKS!

Hahaha. Thanks guys!