Dress Up Bolts Stage 2 Titanium Hardware Engine Bay Kit - BMW G80 M3 (2021+)Location Diagram Our stage 2 engine bay kit includes 60 titanium bolts, 61 titanium washers, and 10 titanium nuts, 20 rubber well nuts. The kit replaces the hardware circled in the diagram above. The BMW G80 M3 stage 2 engine bay kit comes with clear instructions that walk you through where to place each hardware piece, ensuring a fast and effortless setup. This kit does require some modification to the car to be installed. See Special Instructions