The thermostat connector (usually a 2-pin or 3-pin rectangular plug) is located low on the front of the engine near the belt drive. Road debris, oil leaks from the valve cover or oil filter housing, and heat exposure can:
Set your multimeter to Resistance (Ω).
Locate the thermostat. On N20/N26 engines (4-cylinder), it is at the front of the engine, driver’s side, bolted to the oil filter housing. On N55/B58, it is front-center. bmw 03082f
The thermostat connector (usually a 2-pin or 3-pin rectangular plug) is located low on the front of the engine near the belt drive. Road debris, oil leaks from the valve cover or oil filter housing, and heat exposure can:
Set your multimeter to Resistance (Ω).
Locate the thermostat. On N20/N26 engines (4-cylinder), it is at the front of the engine, driver’s side, bolted to the oil filter housing. On N55/B58, it is front-center.