Knuckle-dragging 5.0s are sure to benefit from AEM's powerful new engine manager immediately, and soon, so will 4.6s. By the time this makes print, the EEC V version of the AEM computer should be only ...

BMW’s N55 engine was a remarkable achievement, even for a company as adept as building engines and cars as BMW. The first BMW engine to combine turbocharging, direct injection, Valvetronic and ...