241.40 BHP 1997 cc 4 Cyl N20B20O0 (N20B20A). 2013 BMW 3 SERIES 2.0L Petrol Differential Assembly. F30/F31 Rear 328i Petrol Automatic Ratio 3:15. BMW 3 SERIES Petrol 68804 Miles. 3 SERIES 2013. Warranty applies only to the main listed item, not accessories.