Injen Short-Ram Intake Kit - E82 135i, E9X 335i N55 (2011-2013)

Performance filter kit with heat shield

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The Injen Short Ram intake for the 2011-2013 E82 135i and E90/E92 335i is a great performance value -
  • Extra large filter surface area with heat shield
  • Open design improves intake and turbo sound
  • Straightforward install
  • OEM-like appearance with black wrinkle finish
  • Dyno-tuned horsepower gains
  • Cleanable and reusable filter
  • CARB approved (2011-2012 models)
  • Designed and made in the USA
The Injen intake for the 135i/335i is also a great way of un-muffling the sounds from the intake and turbo. If you wish you could hear more of the N55 turbo - turbo whoosh is absent - an intake is the best method for improving the sound. With the Injen intake you actually get an attractive intake noise and can clearly hear the turbo and diverter valve working. It's not too loud and obnoxious like a blow-off valve but just loud enough that you know it's working.
Although fresh to the BMW intake market, Injen is one of the most experienced and innovative intake manufacturers anywhere. They are one of the original performance intake manufacturers and have years of design and production expertise to share with the BMW market. Injen engineers design their intakes to carefully manage air velocity and air pressure using the Venturi Effect and velocity stacks. Injen tunes their intake designs to make more power but stay within the air/fuel targets set by the BMW engine computer. They also used the largest filter they could fit in the stock locations. With greater surface area and better flow there is more air available to make more power. Each intake filter is protected from engine bay heat using a shield finished with a black wrinkle finish. Fully sealed intakes, like the Injen Evolution series, do a better job of shielding the filter from heat but a more open design produces a better intake sound. We feel the black wrinkle finish looks more at home in a BMW engine bay, however, polished intakes are also available (please inquire).

This intake, when installed on some of the models listed below, is approved for use in California under an Executive Order (EO, waiver).

BMW Fitments:

E82 / E88 (08-13) > 135i N55 (11-13)
E82 / E88 (08-13) > 135is N55 (11-13)
3 Series
E90 / E91 / E92 / E93 (06-13) > 335i N55 (11-13)
E90 / E91 / E92 / E93 (06-13) > 335xi N55 (11-13)
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