HPS Polish intercooler intake charge pipe n55 17 107P 1 for 2011 2013 BMW 3 (17-107P) _8V0698151G Improved Fuel Efficiency: The increased

Improved Fuel Efficiency: The increased efficiency in exhaust flow can contribute to improved fuel economy under certain driving conditions

Finally after all of these years of losing tools

Direct Plug-in: Designed to fit directly into the vehicle's original ECU location

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These post-cat downpipes replace the factory resonated downpipes

HPS Polish intercooler intake charge pipe n55 17 107P 1 for 2011 2013 BMW 3 (17-107P) _8V0698151G Improved Fuel Efficiency: The increasedThe HPS Performance polish 3" intake charge pipe for the BMW N55B30 engine (part number 17 107P) was designed with one goal in mind, reliability. From our initial analysis on our 2011 BMW 335i test vehicle, we found that the factory charge pipe was manufactured with inferior materials. In just 60k miles, the BMW factory charge pipe began showing its age, with it barely hanging on as the throttle body connector flange had been broken. HPS R and D team