Rein EPT0146 Engine Coolant Reservoir

Brand Rein EPT0146
Application Type ApplicationSpecific
Container Type BX
Country of Origin CN
Item Height 10.6200
Item Length 11.8100
Item Level GTIN 888544064470
Item Qty 1
Item UOM EA
Item Weight 2.9600
Item Weight Unit UOM LB
Item Width 9.4400
Link to Manufacturer Page www.reinautomotive.com
Product Desc Extended 240 Rein OE quality expansion tanks are designed to handle heat cycles and resist cracking. These tanks are produced from virgin plastic with no regrind to ensure the plastic is durable and will have a long service life.
Product Desc Invoice 40 Rein Expansion Tank
Product Desc Long 80 Rein OE Quality Expansion Tank
Product Desc Short 20 Expansion Tank
Fits BMW · 3 vehicles

OE quality design. Matches or exceeds original materials for proper fit and performance.

Virgin plastic construction. No regrind helps resist cracking from heat cycles.

Direct fitment. Allows easy installation with no modifications needed.

Cross-references URO 17138570079, 17134714830 and 17137520719 for the same application. See all 7.

$79.06Free shipping
In stock · usually ships same day before 1pm CST
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Order total $79.06
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE Quality Expansion Tank for BMW Cooling Systems

Rein EPT0146 is an engine coolant reservoir built for OE-style fit, form, and function. It is designed for the 2009-2011 BMW 335d and uses virgin plastic construction to help maintain durability through repeated heat cycles.

For BMW 335d cooling system service, this expansion tank supports stable coolant storage and direct replacement fitment. The Rein EPT0146 is engineered to meet strict material and tolerance standards for a clean installation and dependable operation.

Key Features

  • Produced from virgin plastic to meet or exceed OE material specifications
  • Resists cracking and wear caused by repeated heat cycles
  • Direct fit design supports straightforward installation
  • Built to strict engineering standards for materials and tolerances
  • OE quality expansion tank for BMW 335d cooling system repair

Detailed Description

The Rein EPT0146 expansion tank is made for drivers and technicians replacing a worn or damaged coolant reservoir on a 2009-2011 BMW 335d. By using virgin plastic instead of regrind material, the tank is built to better handle thermal cycling and long-term coolant exposure. This helps maintain reservoir integrity and supports consistent cooling system performance in BMW 335d applications.

This part cross-references URO 17138570079 for the same application.

What It Helps Address

  • Coolant loss from a cracked or aging reservoir
  • Plastic fatigue caused by repeated engine heat cycles
  • Leaks at the expansion tank housing
  • Fitment issues from a worn OE-style coolant reservoir
  • Cooling system service on a BMW 335d

Installation Notes and Tips

Verify the vehicle is a 2009-2011 BMW 335d before installation. Compare the original reservoir shape, hose connections, and mounting points to confirm proper fitment. Inspect related cooling system components for wear, contamination, or heat damage during replacement.

Quality Assurance

Rein designs OE quality expansion tanks to match original manufacturer expectations for fit and material performance. The EPT0146 is manufactured from virgin plastic and built to strict engineering standards to support long service life in BMW cooling system applications.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2011BMW335d3.0LL6DIESELN/A—
2010BMW335d3.0LL6DIESELN/A—
2009BMW335d3.0LL6DIESELN/A—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
URO — 17138570079171347148301713752071917137800291171378012141713780489017137810592