Some of the earlier posts in this thread remind me of an oil thread. At least suginami is level headed about this. Has anyone considered the differences in temperature we may be seeing are simply production variances?... or how accurate are the temp gauges in our vehicles? I doubt the temp gauges are built to analytical accuracies. Plus it's too much to ask for an engine to hold a rock steady temperature.

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95 E320 Cabriolet, 169K