Thermostat Egr Exhaust Cooler 70°C (Cooltec) (M47, M57 D) (BMW 1 Series E81/E87 / 3 Series E46 / E90 / 5 Series E60 / X3 E83 / X5 E70)

R850.70

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Thermostat Egr Exhaust Cooler 70°C (Cooltec) (M47 M57 D) (BMW 1 Series E81/E87 / 3 Series E46 / E90 / 5 Series E60 / X3 E83 / X5 E70) is designed for EGR exhaust cooling applications in specified BMW models and engines

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Thermostat Egr Exhaust Cooler 70°C (Cooltec) (M47 M57 D) (BMW 1 Series E81/E87 / 3 Series E46 / E90 / 5 Series E60 / X3 E83 / X5 E70) is a temperature-controlled valve designed to regulate coolant flow through the EGR exhaust cooler system in select BMW engines. This component helps maintain optimal thermal conditions by opening at 70°C to allow coolant circulation, preventing overheating and promoting efficient exhaust gas cooling.

The unit is compatible with various BMW models across the 1 Series (E81/E87), 3 Series (E46/E90), 5 Series (E60), X3 (E83), and X5 (E70) equipped with M47 and M57 D diesel engines. When sourcing this thermostat, compare the SKU BB-252263 and confirm it matches the vehicle’s engine code and EGR cooler setup. This ensures proper integration with the existing cooling system and maintains the correct exhaust temperature management.

This thermostat is a critical heat regulation component within the exhaust gas recirculation system, helping reduce emissions and protect engine parts by controlling exhaust gas temperature through coolant flow control. Buyers should verify this replacement if experiencing related faults such as engine overheating, erratic temperature behavior, or EGR cooler operation issues.

  • Controls coolant flow through EGR exhaust cooler
  • Operates at 70°C opening temperature
  • Compatible with M47 and M57 diesel engines in specified BMW models

Need help matching this item to your vehicle? Use more Thermostat, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

SKU: BB-252263 Category: Tags: , , , , , Brand:

Frequently Asked Questions

Confirm fitment before ordering
Quick answers before you order. If anything is unclear, confirm fitment first using your VIN or part number and avoid mistakes.
Helpful product answers
What vehicles are compatible with the Thermostat EGR Exhaust Cooler 70°C (Cooltec)?
This thermostat is designed specifically for BMW models including the 1 Series E81/E87, 3 Series E46 and E90, 5 Series E60, X3 E83, and X5 E70. It fits engines with M47 and M57 D configurations. Always confirm your vehicle's engine type and model year to ensure compatibility before purchasing.
How does the Thermostat EGR Exhaust Cooler 70°C improve my BMW's performance?
By regulating the exhaust gas recirculation temperature at 70°C, this thermostat helps maintain optimal engine temperature and reduces emissions. It supports efficient cooling of the EGR system, which can enhance engine longevity and performance. Proper temperature control also helps prevent overheating and related engine issues.
Is installation of this thermostat complicated?
Installation complexity depends on your mechanical experience and BMW model. It’s recommended to have a qualified mechanic or Trade Partner handle the installation to ensure proper fitment and function. Incorrect installation can lead to engine performance problems or damage.
Can I request this part if it’s not in stock?
Yes, if the Thermostat EGR Exhaust Cooler 70°C is not currently available, you can request the part through our dedicated service. Provide your vehicle details and VIN for accurate sourcing. Use our Request a Part page to submit your inquiry quickly.
What should I do if the thermostat is faulty after purchase?
If you experience issues with the thermostat after purchase, please review our refund and returns policy for guidance. Ensure you keep your proof of purchase and contact us promptly to facilitate a smooth resolution. Visit our Refunds page for more information.
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