2 exchange-standard references match the BMW 118d (E81 / E87 / E88) 118d 122 hp (90 kW diesel). Output is the deciding criterion: a part meant for another output of the same displacement will not fit.
On the BMW 118d (E81 / E87 / E88) 118d 122 hp, the code stamped on the part remains the safest matching criterion.
Other engines of the BMW 118d (E81 / E87 / E88): 3.0 340 hp, 114d 95 hp, 114d 95 hp. If the code stamped on your part is legible, search by reference remains the safest route. 24-month warranty.