The BMW 528i formed the core model for the series when the new BMW 5 Series Touring was released. The BMW 528i delivered a peak output of 193 hp as the most powerful six-cylinder version. Up to that point, the Specific Torque of 100 Nm/l had only been achieved by a few series engines without the assistance of a turbocharger. The interplay between the superior six-cylinder inline engine and the variable space provided made the BMW 528i Touring the ideal travel companion for touring trips.