Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Charging System (Battery, Starter And Generator) & Cruise Control (1 Of 2) >> 27 Battery, Starter, Generator, Cruise Control >> Battery >> Protective Housing, Removing And Installing >> PROTECTIVE HOUSING FOR Battery, 48 V -A6-, REMOVING AND INSTALLING, 0K4 AND VH2 >> Tightening Specifications