Alpina B3 And B4 Gain “GT” Badges, Adding Enough Power Not To Confuse The M3 And M4
The upgraded S58 engine produces 522 horsepower and significantly more torque than the facelifted M3 and M4. … Source: Car Scoops
The upgraded S58 engine produces 522 horsepower and significantly more torque than the facelifted M3 and M4. … Source: Car Scoops