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Roger, BMW Master Tech
Category: BMW
Satisfied Customers: 3044
Experience:  10 yrs. experience as BMW Master Technician, shop foreman and dealer.
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Can Two Synthetic Oils Be Added to BMW X5?

Customer Question

Previously I put 5W-30 synthetic oil into my 2007 BMW x5 4.4L V8 less than a month ago. Today however, I let my friend borrow my car. He saw that the engine oil level was low and put 0W-30 without consulting me first.
Is this bad or harmful for the BMW?
Submitted: 10 months ago.
Category: BMW
Expert:  Jerry replied 10 months ago.

Hello and welcome. My name is ***** ***** you for visiting the site, I am reviewing your question and will reply shortly, thanks.

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