Let's be carefull out there
Join Date: Jan 2006
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You have as you assumed entered "limp home" mode. This can indicate a sesor fault or something worse. Have you checked for gearbox fluid level and leaks.
The fluid should be a red colour not dark and burnt smelling by the way.
Currently in chris m's garage:
2000 Scenic 2.0 16v Monaco, BMW 3 Series, Pug 206