BMW ///M4 Competition Pack 450 Hp by Bavarian – Performance Store in collaboration with Power Plus Engineering Posted byStef + Tuesday November 15th, 2016Monday November 14th, 2016 Measured stock with mechanical mods ( Downpipes ) at 511 Hp & 670 Nm, equipped with Digital Module and specific mapping to 592 Hp & 840 Nm. Do not hesitate to contact us for all information and price.