As a general rule, if you were to buy a BMW with the purpose of modifying it, you would usually go for a 3 Series, or even a 1 Series, as there are plenty kits out there for them.
Still, that does’t mean aftermarket specialists can’t offer their services and products for the higher luxury models, like the 7 Series.
Hartge is right on that, it seems, as their latest announcement indicates, with a nice new upgrade for the F01 BMW 730d. With the tuner’s product, the power output of the 7 Series is raised from 258 HP and 560 Nm of torque up to 309 HP and 670 Nm.
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