
OEM thermostat assembly for BMW E60/E61, E65/E66, E46, E85, E36.
Opening temperature: 97°C
Part No: 11 53 7 509 227
Simplify your cooling system service with the
COWIN OEM-Standard Thermostat Assembly. This unit (Ref: 11 53 7 509 227)
includes the thermostat and housing in one assembly, opening at 97°C.
It fits a wide range of BMW platforms, from the E36 Z3 to the E65 7 Series.
| Brand | Model | Chassis Code |
|---|---|---|
| BMW | 7 Series | E65 / E66 / E67 |
| BMW | 5 Series | E60 |
| BMW | 5 Series Touring | E61 |
| BMW | 3 Series Touring | E46 |
| BMW | Z4 Roadster | E85 |
| BMW | Z3 Coupe | E36 |
Replacing the full assembly eliminates the need to separate old housings.
Always bleed the cooling system thoroughly after installation to remove airlocks.
Inspect the coolant hoses connected to the housing for age-related wear.
COWIN (Gaoyun) specializes in European executive and sports car cooling systems.
Every thermostat assembly is factory-tested for accurate opening temperature and long-term durability.
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