note!BMW does not maked any tranny.all the 3.0i/is model still using GM trannies it called GM5 AND GM6 .the GM builded the trannies but it enginer by Bmw.IT DOESN'T MEANT ANY GM TECHNITION CAN FIX OR REBUILD IT.and the ZF TRANNIES builded by it owe company and authorized distributor OEM used for BMW