GC good for 02 M3?

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4,009
Location
Calgary Canada
I believe the 10w60 is a band-aid fix for these M3's which suffered spun main bearings in certain years when using the 5w-30 originally specified. I'd stick with the factory 10w-60 since these engines are extremely expensive, and there is a known issue the 10w-60 has been specified to address.
 
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