as above, my options are:
Motul 8100 X-cess SAE 5w - 40 (100% synth)
Motul 8100 X-max SAE 10w - 40 (100% synth)
from my understanding 5w means that it has less viscosity at -18 C than the 10w. so with 5w its easier for the engine to start up relative to 10w?
cheers
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