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Just switched from Castrol Edge 0W-40 to Motul Xcess Gen 2 5W-40 - immediate impressions are smoother startup sequence and idle. I switched cause my S55 sounded noisier and lopey-er since running Edge 0W-40. It’s still by no means a quiet motor, but the valve train seems a bit quieter and smoother now. Will report back on further impressions as I drive thru the next 5k OCI.
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Current: F80
Prior: F82, F32
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