Is it possable that my TD has a 100° thermostat in it? Cause my TD is always at or just below 100... ALWAYS. The hotest heater I have ever encountered.

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08 R320 CDI current

Past
95 E420
87 300D Turbo 5spd
90 300TE
83 300SD
85 300TD
92 400E
85 190D