JaredR1 Posted November 7, 2017 Report Share Posted November 7, 2017 23 hours ago, RedCar850R said: I see, nice setup! So it's a larger MAF sensor housing? I had thought you put the whole BMW airbox with duct in, etc. I am somewhat familiar with the 2001 BMW 740il (M62TUB44 engine) so was I was curious of how that would look. Right now I am contemplating going back to stock airbox. It seems like a good design and I like how it says TURBO The stock airbox is a good design. Every aftermarket filter that has been measured has had less surface area than the stock filter and the stock airbox yields the lowest IATs (should be obvious why). The filter pictured above looks bigger than most aftermarket filters I've seen but it's still a warm air intake regardless of the surface area. Link to comment Share on other sites More sharing options...
antot4 Posted November 9, 2017 Author Report Share Posted November 9, 2017 Yes it's the 540i Maf housing with the Volvo sensor fitted to it.i do want to run an air box but for the minute this will have to do till I get something sorted. Link to comment Share on other sites More sharing options...
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