BMW 5 Series

Hartge Engine Performance Upgrade – F30 328i, E89 Z4 28i, F10 528i 12-, F25 X3 28i (N20 Engine)

Hartge releases their new engine performance upgrade for the F30 328i, E89 Z4 28i, F10 528i 12-, F25 X3 28i (N20 Engine). The package ensures a 45 hp gain and a torque increase of 48 ft-lbs. The Hartge ‘Engine Conversion’ is a bespoke tuning module that plugs in ahead of …

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