
OEM thermostat for BMW 1 Series E87/E82/E88 and 3 Series E92/E93, 5 Series E61.
Opening temperature: 102°C
Part No: 11 53 7 552 403
Optimize engine operating temperature and fuel efficiency with the
COWIN OEM-Standard Thermostat. This unit (Ref: 11 53 7 552 403)
opens at 102°C and is widely used across BMW 1 Series, 3 Series,
and 5 Series Touring models, especially those equipped with turbocharged engines.
| Brand | Model | Chassis Code |
|---|---|---|
| BMW | 1 Series Hatchback | E87 |
| BMW | 1 Series Coupé | E82 |
| BMW | 1 Series Convertible | E88 |
| BMW | 3 Series Coupé | E92 |
| BMW | 3 Series Convertible | E93 |
| BMW | 5 Series Touring | E61 |
High-temperature thermostats are commonly used on modern BMW engines.
Always bleed the cooling system thoroughly after installation.
Replace the housing gasket or O-ring to ensure a leak-free seal.
COWIN (Gaoyun) specializes in European compact and executive vehicle cooling systems.
Every thermostat is factory-tested for accurate opening temperature and long-term durability.
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