Posted in BMW, BMW M4, tuning Dahler Pumps Up The BMW M4 Convertible To 532 Horses Author: Bogdan Zoltan Published Date: January 8, 2016 Even though the BMW M4 isn’t the kind of drop-top begging for extra oomph, Dahler thought some additional grunt won’t hurt anyone. Read more » Related News BMW M4 Convertible Slides Into Red HeelsWhereas the BMW M4 Coupe is serious about being a sports car more than capable of holding its own on… David Hasselhoff Checks Out M4 Convertible At BMW DealershipThe Hollywood movie star seems to have a "thing" for BMW, as he was recently spotted in a dealership checking… Dahler's BMW M4 Competition Package Is A 532HP MonsterThis BMW M4 Competition Package has graduated from the Dahler tuning school, and it now has more power than the… G-Power Pushes The BMW M4 Convertible To 600 PSIn their quest to modify every new BMW known to man, G-Power came across the M4 Convertible and pushed its…