floralvanilla@alien.topB to Mechanic Advice@gearhead.townEnglish · 10 months ago

Should I flush or change transmission fluid?

floralvanilla@alien.topB to Mechanic Advice@gearhead.townEnglish · 10 months ago

Have a BMW 2017 M140i with a ZF 8 speed automatic gearbox. Bought it a couple months back and it is currently at 95K KM mileage. Almost guaranteed that the previous owner did not do any maintenance work on this car. I had the engine oil changed but I am wondering should I flush or change the transmission fluid? Have read a bit about full flushing causing slippage issues hence unsure if I should proceed.

Any advice? Thanks!

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Bruser_209@alien.topB
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10 months ago
As an auto tech, I would not recommend a transmission flush. Drain and refill and as the other person mentioned use factory fluid.

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