May 6, 2020 Update
The G80 M3 continues testing on the Nurburgring, with multiple prototypes being tested simultaneously.
Spotted for the first time recently is a G80 M3 running with M Performance Exhaust. Here's how the standard exhaust tips compare to the M Performance Exhaust tips.
Standard Exhaust
M Performance Exhaust
LIVE LOOK AND LISTEN [VIDEO]