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      05-18-2019, 07:57 AM   #4
GTZ
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Greece
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Drives: F01 740i
Join Date: Jun 2018
Location: Greece

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At 60000 km I had an unexpected mechatronic failure.I made mechatronic replacement together with oil filter/pan change for the 1st time.
Because of this issue I decided to make the 2nd oil change at 90000km together with filter/pan.
As aprox. 4-5lt of oil always remain into the transmission I made a 3rd oil change together with filter pan at 102000 km.Now I think that I have completely renew the oil.
I think that 30-40000 km is a safe interval for the oil change and of course it depends on the way that you drive and stress the transmission!My car is tuned so I think that 30000km is the optimal interval!!!
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