HomeRein EPK0012 Engine Coolant Reservoir Kit
Part #: EPK0012

Rein EPK0012 Engine Coolant Reservoir Kit

34 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 318i, 318is, 318ti, 525i, 525iT, and Z3
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Reliable Engine Coolant Reservoir Kit for BMW Models

The Rein Engine Coolant Reservoir Kit (Part Number EPK0012) is designed specifically for select BMW vehicles, including the 318i, 318is, 318ti, 525i, 525iT, and Z3 models. This application-specific expansion tank kit ensures proper coolant containment and system performance under demanding conditions.

Key Features of Rein Engine Coolant Reservoir Kit EPK0012

  • Includes sensor (if applicable) and cap for complete functionality
  • Manufactured from virgin plastic that meets or exceeds original equipment specifications
  • Resistant to cracking and wear caused by repeated heat cycles, preventing coolant leaks
  • Direct fitment design allows for straightforward installation without modifications

Durable and Precise Cooling Component for BMW Vehicles

The Rein EPK0012 expansion tank kit is engineered to handle the thermal stresses typical in BMW engines such as the 318i and Z3. Constructed from high-quality virgin plastic, this reservoir resists cracking and degradation from heat cycles, maintaining coolant integrity and system pressure. The inclusion of the sensor and cap ensures compatibility with the vehicle’s monitoring systems, supporting accurate coolant level readings and system alerts. Its direct fitment design simplifies replacement, reducing downtime and installation complexity.

Common Applications and Problem Resolution

  • Replacement of cracked or leaking coolant reservoirs in BMW 318i, 318is, 318ti, 525i, 525iT, and Z3 models
  • Restoring proper coolant containment to prevent engine overheating
  • Addressing coolant level sensor malfunctions due to damaged reservoirs
  • Eliminating coolant loss caused by wear from heat cycles
  • Ensuring system pressure stability for optimal engine cooling performance

Installation Notes and Tips

The Rein EPK0012 reservoir kit is designed for direct fitment on compatible BMW models, allowing for a straightforward replacement process. It is recommended to drain the coolant system before removal to avoid spills. Inspect hoses and clamps during installation and replace if necessary to maintain system integrity. After installation, refill the coolant to the proper level and bleed the system to remove air pockets for optimal performance.

Quality Assurance and Warranty Coverage

Rein expansion tank kits are produced to meet or exceed original equipment standards, ensuring durability and reliable performance. This product includes a 24-month or 24,000-mile warranty, providing coverage against defects in materials and workmanship under normal use conditions.

BrandRein
Part NumberEPK0012
Application TypeApplicationspecific
Bullet Point 1Includes sensor (if applicable) and cap
Bullet Point 2Produced from virgin plastic meeting/exceeding oe specifications
Bullet Point 3Resistant to cracking and wear from heat cycles preventing coolan
Bullet Point 4Direct fitment allows easy installation
Container TypeBx
Country of OriginCn
Item Height3.9300
Item Length11.8100
Item Level GTIN888544106880
Item Qty1
Item Quantity Size1
Item Quantity Size UOMEa
Item UOMEa
Item Weight0.9190
Item Weight Unit UOMLb
Item Width5.9000
Product Desc Extended 240Rein oe quality expansion tank kits are designed to handle heat c
Product Desc Invoice 40Rein expansion tank kit
Product Desc Long 80Rein oe quality expansion tank kit
Product Desc Short 20Expansion tank kit
Warranty Distance24000
Warranty Time24

This part fits 34 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999BMW318i1.9LL4N/A
1999BMW318is1.9LL4N/A
1999BMW318ti1.9LL4N/A
1998BMW318i1.9LL4N/A
1998BMW318is1.9LL4N/A
1998BMW318ti1.9LL4N/A
1998BMWZ31.9LL4N/A
1997BMW318i1.9LL4N/A
1997BMW318is1.9LL4N/A
1997BMW318ti1.9LL4N/A
1997BMWZ31.9LL4N/A
1996BMW318i1.9LL4N/A
1996BMW318is1.9LL4N/A
1996BMW318ti1.9LL4N/A
1996BMWZ31.9LL4N/A
1995BMW318i1.8LL4N/A
1995BMW318is1.8LL4N/A
1995BMW318ti1.8LL4N/A
1995BMW525i2.5LL6N/A
1994BMW318i1.8LL4N/A
1994BMW318is1.8LL4N/A
1994BMW525i2.5LL6N/A
1993BMW318i1.8LL4N/A
1993BMW318is1.8LL4N/A
1993BMW525i2.5LL6N/A
1993BMW525iT2.5LL6N/A
1992BMW318i1.8LL4N/A
1992BMW318is1.8LL4N/A
1992BMW525i2.5LL6N/A
1991BMW318i1.8LL4N/A
1991BMW318is1.8LL4N/A
1991BMW525i2.5LL6N/A
1990BMW525i2.5LL6N/Aw/Cap
1989BMW525i2.5LL6N/Aw/Cap

* 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:

17111712835

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