The BMW Genuine Expansion Tank, labeled with part numbers 17137647284 or 17137601950, is a vital component used in the cooling system of certain BMW vehicles. It serves a crucial role in managing coolant levels and allowing for the expansion and contraction of coolant fluid during engine operation.

Detailed Description:

This expansion tank, also referred to as a coolant reservoir or overflow tank, is a container designed to hold excess coolant fluid for the vehicle’s cooling system. It functions to accommodate changes in coolant volume due to temperature variations during engine operation.

Function:

The primary function of the expansion tank is to provide additional storage for coolant as the engine heats up, enabling the coolant to expand without causing excessive pressure in the system. Conversely, as the engine cools down, it facilitates the contraction of the coolant, maintaining appropriate levels within the cooling system.

Quality:

Manufactured as a genuine BMW part, the Expansion Tank with part numbers 17137647284 or 17137601950 is crafted to meet BMW’s quality and performance standards, ensuring proper fitment and compatibility with specific BMW vehicle models.

Capabilities:

The expansion tank is an integral component of the vehicle’s cooling system, essential for regulating coolant levels. It plays a critical role in preventing overheating by accommodating fluctuations in coolant volume due to temperature changes during engine operation.

In summary, the BMW Genuine Expansion Tank with part numbers 17137647284 or 17137601950 is a crucial component within the vehicle’s cooling system, responsible for managing coolant levels and accommodating the expansion and contraction of coolant fluid to maintain optimal engine operating temperatures and prevent potential overheating issues.