Product Description

Maintain proper transmission operating temperatures and restore cooling system efficiency with this OEM-style automatic transmission oil cooler replacement for select BMW E46 models. Designed to regulate transmission fluid temperatures under normal and demanding driving conditions, this component plays a critical role in protecting the transmission from excessive heat and premature wear.

Automatic transmissions generate significant heat during operation, especially in stop-and-go traffic, spirited driving, and hot weather conditions. The transmission oil cooler helps dissipate excess heat from the transmission fluid, ensuring proper lubrication, smoother shifting performance, and long-term transmission durability.

Over time, factory transmission coolers can become clogged, corroded, damaged, or develop leaks, resulting in elevated fluid temperatures, shifting issues, transmission warning lights, and potential transmission damage. Replacing a worn transmission cooler helps restore proper fluid cooling and maintain factory transmission performance.

Manufactured to meet OEM specifications, this replacement transmission oil cooler is engineered for efficient heat transfer, precise fitment, and dependable long-term reliability. The durable construction is designed to withstand demanding operating conditions while maintaining optimal transmission fluid temperatures.

Whether repairing a leaking cooler, restoring cooling efficiency, or performing preventative maintenance, this direct-fit replacement helps ensure dependable transmission operation and longevity.

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Key Features

• Direct replacement for OEM part number 17227505826
• Helps maintain proper automatic transmission fluid temperatures
• Supports smooth transmission operation and shift quality
• Efficient heat dissipation design
• Helps prevent transmission overheating
• OEM-style fitment and performance
• Durable corrosion-resistant construction
• Designed for long service life under demanding conditions
• Ideal for transmission cooling system repairs and maintenance
• Direct-fit installation with no modifications required

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Fitment

Compatible With:

• BMW 3 Series E46 (1999–2005)

Detailed Fitment Guide

BMW 3 Series (E46)

• 325i Sedan Touring
• 325Ci Coupe Convertible
• 325xi Sedan Touring
• 328i Sedan
• 328Ci Coupe
• 330i Sedan Touring
• 330Ci Coupe Convertible
• 330xi Sedan Touring

Transmission Compatibility

• Automatic Transmission Models Only

OEM Reference

• 17227505826

Please verify your vehicle fitment, transmission type, and OEM part number before purchasing.

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Shipping

Shipping: Shipped from USA United States

Delivery: Estimated delivery timeframe: 2 to 4 days

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Protect your BMW transmission with a premium OEM-style transmission oil cooler engineered to maintain proper fluid temperatures, improve transmission longevity, and deliver dependable performance under all driving conditions.

Please refer to the “Fitment” section in the product description for compatibility details.