Genuine BMW E46 Expansion Tank – Ref. 7787039 (used, 3-month warranty) - BMMOTORSPORT80

Ensure the proper functioning of your BMW E46's cooling system with this genuine expansion tank, part number 7787039.
This coolant reservoir is a used part, tested, in good condition, and sold with a 3-month warranty.

✅ Compatibility:

• BMW 3 Series E46 (1998–2006)
  (Sedan, Touring, Coupe, Convertible depending on engine—to be checked with your VIN)

⚙️ OEM Part Number:

• 7787039

📦 Features:

• Genuine BMW expansion tank

• Collects and regulates coolant

• Verified used product, no cracks or leaks

• Sensor not included (check according to your vehicle)

🔧 Easy Installation:

Direct replacement, no coding required. Provide new coolant upon installation.

✅ 3-Month Warranty

Buy with peace of mind: this product is guaranteed for 3 months against any functional defects.

All our parts are guaranteed for 3 months 

All parts available for this vehicle BMW E46 

For more information, you can contact us by phone at 06 72 92 43 38 

Call hours: Monday to Saturday from 9 AM to 6 PM, closed on Wednesday