pacificmotorsports #dinanfriday, another view of the #dinan #coldair #intake installation on #e39 #bmw #540i today @ Pacific Motorsports, #bmwshoppdx 4y
  •   pacificmotorsports Without a heat shield it's not a true cold air intake because it's allowing air warmed by the engine into the engine, @travpaid. It's just an intake that's different from the stock filter box (and may provide less power because of the following explanation), which is shielded from engine heat by the box, btw. The colder the charge of air entering an engine the more it can be compressed, thereby allowing more to be put into a given volume, e.g., an engine cylinder. The greater the amount of air, the bigger the charge, or explosion, and the greater the amount of power generated. This is the reason for cooling the intake air. It's similar to forced induction (supercharging and turbocharging) in that more air is being squished into the same volume than would have been achieved otherwise. More air = bigger bang = more power. Cold air = Good. 4y
  •   motorsport_stance Can you PLEASE give me a DIY on how you mounted the air pump, I took my front end apart and couldn't figure it out. Upside down behind the filter or by its side? @pacificmotorsports 4y
  •   pacificmotorsports @m5ayvaz on an e39 540i? 4y
  •   motorsport_stance Yessir. But I do have an M5 bumper as well as the fender liner. @pacificmotorsports 4y

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