Premium Guard PG5511EX Engine Oil Filter

Premium Guard PG5511EX Engine Oil Filter

The Premium Guard Extended Life PG5511EX is a cartridge-style engine oil filter built with synthetic blend media and a 25 micron rating. It is a direct service part for select BMW applications, including 2002-2005 BMW 745i and 745Li, 2004-2005 BMW 645Ci, and 2004-2006 BMW 545i and X5.

Key Features

• Synthetic blend filter media for routine engine oil filtration
• 25 micron rating for fine particle capture
• Cartridge filter design for serviceable BMW oil filter housings
• NBR gasket material with 0.14 in gasket thickness
• Height: 3.91 in
• Gasket inside diameter: 3.23 in
• Gasket outside diameter: 3.51 in
• Outer diameter bottom: 2.85 in

Extended Life Product Line

Premium Guard Extended Life filters are positioned for longer service intervals within normal maintenance schedules. For BMW 545i, X5, 645Ci, 745i, and 745Li applications, the PG5511EX supports regular oil service with a cartridge format that matches the specified housing style.

Detailed Description

Premium Guard PG5511EX is an engine oil filter for BMW vehicles that use a cartridge-type filter element. The synthetic blend media and 25 micron filtration rating are specified to help remove fine contaminants from engine oil during normal operation. Its dimensions and NBR gasket specifications support proper sealing in the intended housing design. This part cross-references Wix 57171 and Hastings LF595 for the same application.

What It Helps Address

• Oil contamination from normal engine wear
• Reduced filtration performance from a worn filter element
• Seal leakage at the filter housing interface
• Maintenance service needs on BMW oil filter systems
• Replacement of a cartridge filter at scheduled oil changes

Installation Notes and Tips

• Verify the oil filter housing and engine application before installation.
• Inspect the housing sealing surfaces and replace the filter during each oil service.
• Lubricate the gasket with clean engine oil before assembly.
• Confirm the cartridge seats correctly in the housing before closing the cap.

Quality Assurance

Premium Guard PG5511EX is built to the listed media, gasket, and dimensional specifications for the stated BMW fitments. Confirm vehicle year, model, and engine service configuration before ordering.