aFe MagnumFLOW Air Filters IAF PDS A/F PDS 4-1/2F x 8-1/2B x 7T x 8H Q60 The air intake system on

The air intake system on the MQB platform mates to the turbocharger via a plastic turbocharger inlet pipe

BMW changed them mid-2011

see part #25420

All flywheels are SFI 1

The Serrated/Helix combination design also reduces intake whistle that occurs with Helix only designs (US PAT 07055513)

aFe MagnumFLOW Air Filters IAF PDS A/F PDS 4-1/2F x 8-1/2B x 7T x 8H Q60 The air intake system onWith three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, "oil free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps insures