HomeBelts and Cooling > Radiators, Coolers and Related ComponentsGenuine 17137542986 Engine Coolant Reservoir
Part #: 17137542986

Genuine 17137542986 Engine Coolant Reservoir

⚙️ 38 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 528i, 528i xDrive, 535i, 535i xDrive, 550i, 650i, 528xi, 535xi, 525i, 525xi, 530i, 530xi, 545i, and 645Ci
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Overview of Genuine Engine Coolant Reservoir for BMW Models

The Genuine Engine Coolant Reservoir with part number 17137542986 is designed specifically for select BMW vehicles. This component plays a critical role in maintaining proper engine temperature by storing excess coolant and ensuring efficient cooling system operation.

  • Compatible with BMW 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535i, 535i xDrive, 535xi, 545i, 550i, 645Ci, and 650i models
  • Durable construction to withstand engine heat and pressure
  • Precision fitment for seamless integration with factory cooling systems
  • OEM quality ensuring reliable performance and longevity
  • Part number 17137542986 for exact replacement

Detailed Product Description

This Genuine Engine Coolant Reservoir is engineered to meet the specifications of BMW cooling systems. It serves as a storage tank for engine coolant, allowing for expansion and contraction as the engine heats and cools. The reservoir helps prevent coolant loss and maintains the correct pressure within the cooling system. Designed for models including the BMW 525i, 528i, 530i, 535i, 545i, 550i, 645Ci, and 650i, this reservoir ensures compatibility and reliable operation. Using part number 17137542986 guarantees a precise fit and function consistent with original equipment standards.

Common Applications and Issues Addressed

  • Prevents engine overheating by maintaining coolant levels
  • Eliminates coolant leaks caused by cracked or damaged reservoirs
  • Resolves pressure loss in the cooling system
  • Prevents air from entering the cooling system
  • Supports proper coolant circulation for engine efficiency

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid injury
  • Drain the cooling system partially to prevent spillage
  • Remove the old reservoir carefully, noting hose and sensor connections
  • Install the new reservoir (part number 17137542986) ensuring all hoses and fittings are securely attached
  • Refill the cooling system with the appropriate coolant and bleed air from the system as needed

Quality Assurance and Warranty Information

The Genuine Engine Coolant Reservoir is manufactured to meet BMW OEM standards, ensuring durability and performance. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in materials and workmanship. Using this reservoir helps maintain the integrity of your BMW's cooling system and supports long-term engine health.

This part fits 38 vehicles. Search below:

YearMakeModelPositionNotes
2010BMW528iN/A
2010BMW528i xDriveN/A
2010BMW535iN/A
2010BMW535i xDriveN/A
2010BMW550iN/A
2010BMW650iN/A
2009BMW528iN/A
2009BMW528i xDriveN/A
2009BMW535iN/A
2009BMW535i xDriveN/A
2009BMW550iN/A
2009BMW650iN/A
2008BMW528iN/A
2008BMW528xiN/A
2008BMW535iN/A
2008BMW535xiN/A
2008BMW550iN/A
2008BMW650iN/A
2007BMW525iN/A
2007BMW525xiN/A
2007BMW530iN/A
2007BMW530xiN/A
2007BMW550iN/A
2007BMW650iN/A
2006BMW525iN/A
2006BMW525xiN/A
2006BMW530iN/A
2006BMW530xiN/A
2006BMW550iN/A
2006BMW650iN/A
2005BMW525iN/A
2005BMW530iN/A
2005BMW545iN/A
2005BMW645CiN/A
2004BMW525iN/A
2004BMW530iN/A
2004BMW545iN/A
2004BMW645CiN/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.