Subaru Impreza V5 Piston Ram Dump Valve (Flange Mounted) BMW > 1 Series > F20/F21 2012 Onwards > M135i 2012-2015 (N55) ⭐ Great bit of kit

⭐ Great bit of kit

70mm Elbow 45°

Carefully configured baffles and Viton oil control valves ensure that the lubricant can easily move around the engine

OEM Number: 33171134872

The above list is meant as a guide only

Subaru Impreza V5 Piston Ram Dump Valve (Flange Mounted) BMW > 1 Series > F20/F21 2012 Onwards > M135i 2012-2015 (N55) ⭐ Great bit of kitWe recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner Alloy Atmospheric Ram Dump Valve, flange mounted available to fit the Impreza V5. Made from billet aluminium, this atmospheric diverter valve dumps the charge air to atmosphere creating the "Whoosh" sound most commonly associated with rally cars when the throttle is lifted. This increases both quicker throttle response and higher clamping load to maintain boost