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Thermostat Removal and Replacement

Model: BMW Serie 3 E46 - Years 1998-2006
Part: Thermostat

This video shows how to remove and replace the thermostat. First, locate the thermostat housing. Once identified, you can begin its removal and replacement. The thermostat is secured by four screws: three 10 mm screws and one 13 mm screw. After removing these four screws, remember to disconnect the connector before proceeding to extract the thermostat. Finally, after removing the old thermostat, to install the new one, apply gasket sealant around the housing to prevent coolant leakage.

Updated on 11 February 2026 by ScegliAuto

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