2 exchange-standard references match the BMW 420i Gran Coupé (F36) 420i 184 hp (135 kW petrol). Output is the deciding criterion: a part meant for another output of the same displacement will not fit.
On the BMW 420i Gran Coupé (F36) 420i 184 hp, the code stamped on the part remains the safest matching criterion.
Other engines of the BMW 420i Gran Coupé (F36): 418d 150 hp, 418d 136 hp, 418d 150 hp. If the code stamped on your part is legible, search by reference remains the safest route. 24-month warranty.