Shopping for BMW N52 Tuning? We have the largest selection of BMW N52 tunes for your BMW 328i, 328xi and 330i. Engine tunes for 2006, 2007, 2008, 2009 and 2010 BMW 328i. Browse from our selection of BMW N52 tunes from Burger Motorsports. The BMS Power Box (PBX) is the most popular tune for the BMW E90 / E92 BMW 328i N52 Engine.