Re: E46 M3 oil choices

no practical difference between natural and synthetic oils. Like most of us here, I am not made of money and the huge price difference between the two services is a factor for me. Of course, I will use the synth if I really need to but my instinct says I don't. Your thoughts? TIA
You're driving a 50K+ car and you want to use cheap oil ? Why ? Just use synthetic and change it every 7500 miles. I would not risky it on such a high performance engine. Also make sure the bearings have been replaced if it is an 01 or 02 model.
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