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Old 11-14-2012, 11:26 AM
KeithS KeithS is offline
Officially Welcomed to the 'Fest
Location: Central NJ
Join Date: Dec 2001
Posts: 1,892
Mein Auto: '11 335d, '17 340iGT
I recently had a BMW (ZF) auto transmisstion faliure in our 2000 540iT at 140K miles. I also did proactive fluid changes every 50K miles. In this case the forward drum cracked. All the fluid changes in the world would not have prevented this.

After this experience ($5K) not sure where I stand anymore on this topic. I certainly will change the fluid before 100K miles, how much before is the question....
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