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Old 03-05-2013, 09:28 AM
HPIA4v2 HPIA4v2 is offline
Officially Welcomed to the 'Fest
Location: washington
 
Join Date: Mar 2006
Posts: 2,173
Mein Auto: E60, E71, E92
2003 745i uses 5HPxx ZF transmission, completely different beast than 2004-2010 E60 5-series, whcih uses 6HPxx transmisson.
You probably have high-mileage 745i, get it diagnosed correctly; dealer not the best place for transmission work; they just replace with rebuild unit. It could be mechatronic, sensors, solenoids, torque-converter, clutch-packs etc.

Sorry to hear and good luck.
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