I have an 78 e23 with a 3.3 and 5 speed don't think 5 speeds came with 78 733 but anyway motor and trans work fine don't know much for sure about history but believed to be under 100k with a rebuilt cylinder head; Bad news it is still in car that I want body interior parts from. CHEAP ****$150.oo**** b/o can hear run and drive but car not registered and you must take whole car