
SWAG Expansion Tank 20939340 for E81 E90 E91 Series - Durable and Reliable Cooling System
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In stock now — leaves the warehouse in 1–2 business days
Fitment
Listed for E81, E90
Check this part against your vehicle
Options come from the vehicles named on the parts we stock.
Product details
Optimize your vehicle's cooling system with the SWAG Expansion Tank 20939340, designed specifically for E81 and E90 E91 Series. This top-quality tank ensures that your cooling fluid levels are maintained expertly, contributing to your vehicle's overall performance.
Key Benefits:
- Durable construction with PA (Polyamide) for long-lasting use.
- Includes a cooling fluid level sensor for accurate monitoring.
- Compact design with no cap needed, making installation and maintenance a breeze.
- Lightweight at approximately 2.31 lb (1.05 kg) for easy handling.
Technical Specifications:
- Number of connections: 2
- Material: PA (Polyamide)
- Weight: 2.31 lb (1.05 kg)
- Cap-free design for added convenience.
How to Use:
To install, simply connect the expansion tank to the designated points in your vehicle's cooling system. Ensure the cooling fluid level sensor is properly connected for accurate readings.
Checking fitment
Match the part number above against the part you are replacing, or check the models and engines named on this page against your vehicle. If the number matches, the part matches.
Shipping
Orders leave the warehouse in 1–2 business days. Free shipping on every US order.
Returns & warranty
30 days to return an unused part in its original packaging. Manufacturer warranty of 12 months against defects.









