HomeBelts and Cooling > Radiators, Coolers and Related ComponentsRein EPT0146 Engine Coolant Reservoir
Part #: EPT0146

Rein EPT0146 Engine Coolant Reservoir

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⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 335d
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Overview of Rein Engine Coolant Reservoir for BMW 335d

The Rein Engine Coolant Reservoir (Part Number EPT0146) is designed specifically for the BMW 335d. Manufactured from virgin plastic that meets or exceeds original equipment specifications, this expansion tank offers reliable performance and durability under demanding engine conditions.

Key Features of Rein EPT0146 Expansion Tank

  • Produced from virgin plastic meeting or exceeding OE specifications
  • Resistant to cracking and wear caused by repeated heat cycles
  • Direct fitment ensures straightforward installation without modifications
  • Manufactured to strict engineering standards for consistent quality
  • Designed specifically for BMW 335d applications

Detailed Product Description

The Rein engine coolant reservoir is engineered to handle the thermal stresses associated with engine heat cycles, preventing coolant loss and maintaining system pressure. Its construction from high-quality virgin plastic enhances resistance to cracking and wear, which are common issues in aging coolant tanks. The direct fitment design allows for easy replacement on BMW 335d models, ensuring compatibility and reducing installation time. With dimensions of approximately 11.81 inches in length, 9.44 inches in width, and 10.62 inches in height, this expansion tank fits precisely within the engine bay layout.

Common Applications and Problem Solving

  • Replacement for cracked or leaking coolant reservoirs on BMW 335d vehicles
  • Prevents coolant loss due to wear from heat cycles
  • Addresses coolant system pressure inconsistencies caused by damaged tanks
  • Eliminates coolant contamination from deteriorated plastic materials
  • Restores proper coolant expansion and recovery function

Installation Notes and Tips

  • Designed for direct replacement on BMW 335d models; no modifications required
  • Ensure the engine is cool before removal to avoid injury from hot coolant
  • Inspect hoses and clamps during installation and replace if necessary
  • Properly bleed the cooling system after installation to remove air pockets
  • Verify coolant level and top off with manufacturer-recommended coolant

Quality Assurance and Warranty Information

Rein expansion tanks are manufactured under strict engineering standards to ensure durability and performance. The EPT0146 meets or exceeds OE specifications, providing a reliable replacement part for BMW 335d vehicles. While specific warranty details are not provided, Rein products typically adhere to industry quality controls to support long-term use in automotive cooling systems.

BrandRein
Part NumberEPT0146
Application TypeApplicationSpecific
Container TypeBX
Country of OriginCN
Item Height10.6200
Item Length11.8100
Item Level GTIN888544064470
Item Qty1
Item UOMEA
Item Weight2.9600
Item Weight Unit UOMLB
Item Width9.4400
Link to Manufacturer Pagewww.reinautomotive.com
Product Desc Extended 240Rein 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 40Rein Expansion Tank
Product Desc Long 80Rein OE Quality Expansion Tank
Product Desc Short 20Expansion Tank

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011BMW335d3.0LL6DIESELN/A
2010BMW335d3.0LL6DIESELN/A
2009BMW335d3.0LL6DIESELN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.