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      03-07-2014, 09:50 AM   #3
Petros
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Drives: M3
Join Date: Jan 2014
Location: Canada

iTrader: (1)

how can the diff fluid be factory fill? i thought it's supposed to be replaced at 1200 miles during the break in period? and further still it's supposed to be replaced every 3rd engine oil change. Did you only have 3 engine oil changes in 50000 miles?