SKP SK90657 Automatic Transmission Oil Cooler

Automatic Transmission Oil Cooler for BMW Applications

The SKP SK90657 automatic transmission oil cooler is a direct-fit replacement for select BMW models that use a 3 1/8" width cooler. It is built for drivers replacing a worn or leaking transmission cooler on BMW 325i, 330i, X3, and related applications.

Key Features

• Automatic transmission oil cooler for BMW cooling system service
• 3 1/8" width specification for listed applications
• Direct replacement for SKP SK90657
• Cross-references Dorman - HELP 90657 for the same application
• Also cross-references BMW OE part number 17 22 7 505 826

Detailed Description

SKP SK90657 is an automatic transmission oil cooler made for select BMW vehicles that require the 3 1/8" width configuration. It is used in transmission fluid cooling circuits to help maintain proper operating temperature in BMW X3, 325Ci, 330Ci, 325i, 325xi, 330i, 330xi, Z4, 328Ci, and 328i applications. If you are replacing a leaking or restricted BMW transmission cooler, SK90657 provides a fitment-specific solution for the listed model years.

Compatible With: 2008-2010 BMW X3, 2004-2006 BMW X3, 2001-2006 BMW 325Ci, 2001-2006 BMW 330Ci, 2001-2005 BMW 325i, 2001-2005 BMW 325xi, 2001-2005 BMW 330i, 2001-2005 BMW 330xi, 2003-2005 BMW Z4, 2000 BMW 328Ci, and 2000 BMW 328i.

What It Helps Address

• Transmission fluid overheating from a failing cooler
• Fluid leaks at the cooler assembly
• Restricted fluid flow through a damaged cooler core
• Temperature control issues in BMW automatic transmission service
• Replacement needs after corrosion or physical damage

Installation Notes and Tips

Verify the 3 1/8" width specification before installation and match the cooler to the vehicle’s exact year and model. Inspect transmission lines, seals, and surrounding cooling components during replacement to confirm the system is clean and leak-free.

Quality Assurance

SKP SK90657 is cataloged as a replacement transmission oil cooler for the listed BMW applications and cross-references established OE and aftermarket part numbers for fitment verification.