CREATE TABLE table_16815 ("model" TEXT, "max. motive power" TEXT, "max. torque at rpm" TEXT, "engine displacement" TEXT, "engine type" TEXT, "engine configuration & notes 0-100km/h" TEXT)

What is the engine displacement for the engine type b5254 t?
SELECT "engine displacement" FROM table_16815 WHERE "engine type" = 'B5254 T'
SELECT "engine displacement" FROM "table_16815" WHERE "engine type" = 'B5254 T'