Rein EPK0262 Engine Coolant Reservoir - Radiator
OE Quality 60-Day Returns
Rein

Rein EPK0262 Engine Coolant Reservoir - Radiator

Brand Rein EPK0262
Position Radiator
Material Plastic
Color Natural
Mounting Hardware Included No
Mounting Brackets Included No
Cap Type Twist on
Cap Included Yes
Fits BMW · 14 vehicles

Direct-fit replacement. Built for straightforward cooling system service with OE-style fit and function.

Twist-on cap included. Supplied as a complete reservoir assembly for easier parts matching.

Plastic construction. Natural-color tank matches common OE reservoir material and appearance.

Cross-references 17135A6A030 for the same application. See all 1.

$96.25Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $96.25
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Coolant Reservoir options

Engine Coolant Reservoir Overview

The Rein EPK0262 engine coolant reservoir is a direct-fit replacement for cooling system service on select BMW applications. It is built with a plastic tank, natural finish, and a twist-on cap included for a complete reservoir assembly.

  • Plastic construction for standard cooling system replacement needs
  • Natural color for an OE-style appearance
  • Twist-on cap included
  • Mounting hardware and brackets not included

Fitment Details

Compatible with BMW X3 and BMW X4 radiator applications. Fits 2018-2024 BMW X3, radiator, with cap. Fits 2019-2025 BMW X4, radiator, with cap. This part cross-references 17135A6A030 for the same application.

What It Helps Address

  • Cracked or aging coolant reservoir tanks
  • Loss of coolant from reservoir leaks
  • Cap-related sealing issues
  • Discolored or deteriorated plastic tank replacement

Installation Notes

Verify reservoir style, cap type, and radiator-side fitment before installation. Transfer any required hoses or sensors from the original unit if applicable to your vehicle configuration. Confirm the mounting points and connection layout match the original part number EPK0262.

Quality Assurance

Rein replacement cooling components are built for direct-fit service applications. Confirm fitment against the vehicle listing and original part number EPK0262 before installation.

Related reading

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2025BMWX42.0LL4Radiatorw/Cap
2024BMWX32.0LL4Radiatorw/Cap
2024BMWX42.0LL4Radiatorw/Cap
2023BMWX32.0LL4Radiatorw/Cap
2023BMWX42.0LL4Radiatorw/Cap
2022BMWX32.0LL4Radiatorw/Cap
2022BMWX42.0LL4Radiatorw/Cap
2021BMWX32.0LL4Radiatorw/Cap
2021BMWX42.0LL4Radiatorw/Cap
2020BMWX32.0LL4Radiatorw/Cap
2020BMWX42.0LL4Radiatorw/Cap
2019BMWX32.0LL4Radiatorw/Cap
2019BMWX42.0LL4Radiatorw/Cap
2018BMWX32.0LL4Radiatorw/Cap
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
17135A6A030