Febi 21023 Transmission Filter

Transmission Oil Filter for BMW A5S 325Z

The Febi 21023 transmission oil filter is a strainer-style filter built for BMW vehicles equipped with the A5S 325Z automatic transmission. With a length of 273.0 mm, width of 159.0 mm, and height of 57.0 mm, it matches the listed application dimensions for a direct service replacement. Febi 21023 is a practical choice for BMW 325Ci, 330Ci, 320i, 325i, 325xi, 330i, Z4, 525i, 530i, 323Ci, 323i, 328Ci, 328i, and 528i applications shown below.

Key Features

• Transmission oil filter, strainer type
• Dimensions: 273.0 mm x 159.0 mm x 57.0 mm
• Built for BMW A5S 325Z automatic transmission service
• Febi part number 21023
• Cross-reference applications include 01V 325 429 and 24 34 1 423 376

Product Details

Febi’s febi line focuses on OE-style replacement parts for European vehicles, and this transmission filter follows that approach with application-specific sizing and transmission identification. Use Febi 21023 when servicing BMW automatic transmissions that call for the A5S 325Z strainer filter. This part number 21023 is listed for multiple BMW 3 Series, 5 Series, and Z4 applications, including 2001-2006 BMW 325Ci and 330Ci, 2001-2005 BMW 320i, 325i, 325xi, and 330i, plus 2003-2005 BMW Z4.

This part cross-references 01V 325 429 and 24 34 1 423 376 for the same application.

What It Helps Address

• Restricted transmission fluid flow caused by a clogged filter
• Contamination buildup in automatic transmission service
• Harsh or inconsistent shifting related to fluid filtration issues
• Maintenance needs during BMW automatic transmission fluid service
• Fitment concerns when replacing an A5S 325Z strainer filter

Installation Notes and Tips

Confirm the transmission code before ordering. This filter is listed for BMW vehicles with the A5S 325Z transmission, and fitment varies by model year. Compare the listed dimensions and transmission identification to the original part before installation. For best results, replace the filter during a complete transmission service and follow BMW service procedures for fluid level setting and inspection.

Quality Assurance

Febi is an established aftermarket brand for European vehicle service parts, and the febi line is used for application-specific replacement components. Febi 21023 is cataloged to match the listed BMW fitments and transmission requirements.

Compatible With BMW Models

• Fits 2001-2006 BMW 325Ci, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2001-2006 BMW 330Ci, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2001-2005 BMW 320i, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2001-2005 BMW 325i, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2001-2005 BMW 325xi, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2001-2005 BMW 330i, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2003-2005 BMW Z4, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2004 BMW 525i, N/A — Transmission Id: A5S 325Z; febi
• Fits 2001-2003 BMW 525i, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2001-2003 BMW 530i, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2000 BMW 323Ci, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 1999-2000 BMW 323i, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 2000 BMW 328Ci, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 1999-2000 BMW 328i, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z
• Fits 1999-2000 BMW 528i, N/A — Transmission Id: A5S 325Z; febi
• Fits 1996 BMW 528i, N/A — Transmission Id: A5S 325Z; febi
• Fits 1998 BMW 323i, N/A — Transmission Id: A5S 325Z; febi
• Fits 1997-1998 BMW 328i, N/A — Transmission Id: A5S 325Z; febi
• Fits 1997-1998 BMW 528i, N/A — Dimensions: 273mm x 57mm x 159mm; Filter Type: Strainer; Transmission Type: A5S 325Z