Third winter with my 92 diesel : when cold, it shifts at higher rpm. On earlier models with a vacuum amplifier, one could disable the temperature sensing device that cause the high rpm cold shifting (check reply by jcyuhn 11-29-2001 on late shifts). 92 models don't have a vacuum amplifier : I don't know what is causing the the high rpm.

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DR
1992 300D 2.5T 351 000 km