Wix 58137 Transmission Filter Kit

Wix 58137 Transmission Filter Kit

The Wix 58137 transmission filter kit is built for automatic transmissions that require controlled fluid filtration and a proper sealing interface. It is a direct-fit service part for select BMW applications, including BMW X3, X5, X6, and 135is models listed below.

For BMW transmission service, this kit supports clean fluid flow through application-specific filtration media and sealing components matched to modern automatic transmission fluids.

Key Features

• Automatic transmission filter kit for service replacement
• Closed inner diameter top design
• Application-specific sealing components for a proper transmission service fit
• Lock-seamed and sealed filter assembly construction
• Built for light-duty automotive use
• Compatible with select BMW 6L45 transmission applications

Detailed Description

Wix 58137 is an automatic transmission filter kit designed around the needs of specific BMW service applications. The filter media is paired with sealing components intended to keep unfiltered fluid from bypassing the filtration path, while the sealed assembly construction supports consistent fluid control during transmission operation. This part cross-references ATP B424 for the same application.

Use this transmission filter kit when servicing select BMW models that call for a 6L45 transmission filter solution. It is a practical choice for BMW X3, X5, X6, and 135is maintenance where the transmission pan and filter service are being addressed together.

What It Helps Address

• Transmission fluid contamination from worn or loaded filter media
• Restricted fluid flow caused by a clogged automatic transmission filter
• Poor sealing at the filter-to-transmission interface
• Service issues related to aging transmission filter components
• Maintenance needs on BMW automatic transmissions with 6L45 code

Installation Notes and Tips

• Verify the transmission code before ordering; listed BMW applications include 6L45-equipped vehicles.
• Inspect the transmission pan, sealing surfaces, and fluid condition during service.
• Replace the filter during scheduled transmission maintenance to maintain proper fluid filtration.
• Confirm the part number Wix 58137 against the vehicle’s service information before installation.

Quality Assurance

Wix transmission filter kits are engineered with sealed assemblies and application-specific sealing components to support complete filtration in modern automatic transmissions. The Wix 58137 is listed for select BMW fitments, including 2007-2008 BMW X3, 2009-2011 BMW X3, 2009-2011 BMW X5, 2008-2011 BMW X6, and 2013 BMW 135is.