The Wiseco single forged piston for BMW M54B30 is specified with a -7.3cc dish and dimensions matching the KE325M845 application. Offered as a single piston, it provides a direct replacement sized to the listed bore and dish volume for rebuilds or one-off repairs where the specific part number and dimensions are required for proper fitment.
Wiseco BMW M54B30 -7.3cc Dish 1.114 x 3.3268 Piston - Single (For KE325M845)