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      11-10-2021, 08:07 AM   #17
M50iX5
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Drives: 2016 X6 2020 X5 M50i
Join Date: Nov 2019
Location: Oakville, Ontario

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I was recently speaking with bmw shop (not dealer) and they said the reason they (BMW) recommend 0w 30 wt oil is to improve/optimize fuel efficiency but they recommended 5w 30 because it would increase performance?
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