OEM thermostat for BMW E12, E28, E30, E34.
Opening temperature: 80°C
Part No: 11 53 1 264 668
Preserve the original driving character and cooling behavior of your classic BMW with the
COWIN OEM-Standard Thermostat. This unit (Ref: 11 53 1 264 668)
opens at 80°C and is engineered for BMW’s most iconic early platforms,
including the E12, E28, E30, and E34 chassis, covering both 3 Series and 5 Series models.
| Brand | Model | Chassis Code |
|---|---|---|
| BMW | 5 Series | E12 |
| BMW | 5 Series | E28 |
| BMW | 5 Series | E34 |
| BMW | 3 Series | E30 |
| BMW | 3 Series Touring | E30 |
| BMW | 3 Series Convertible | E30 |
Classic BMW M10, M20, and M30 engines benefit from a complete cooling system refresh during thermostat replacement.
Always replace the housing gasket and inspect the expansion tank, hoses, and water pump for age-related wear.
COWIN (Gaoyun) specializes in European classic and executive vehicle cooling systems.
Every thermostat is factory-tested for accurate opening temperature and long-term reliability.
Custom product FAQs
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