Quote:
Originally Posted by akkando
I don't see any evidence that dct fluid needs to be done every 30k, 50k, or even 100k.
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Surely not! It's a fluid, which breaks down over time like any other lubricant. Let alone it contains metal cogs rotating against each other, producing micro-metallic chunks, causing increased wear. This combined with the above means all automotive fluids require scheduled replacement.
Aren't the increased scheduled-durations are a result of BMW's packaged plans, where they are now paying for the maintenance on most of their cars now?