10w60 oil
A friend of mine who sold BMWs for years (Now Volvos)..told me to use 10w60 oil in my 135i. He also said to change the oil at 1500 miles, and every 5000 miles thereafter... He told me that he got this information from BMW literature( Roundel, etc.) , which he reads relgiously...
He told me not to follow the BMW line with this particular engine, which suggests 5w30 oil at 15000.00 miles...
I need your input???? Is he right???
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