Wix WL7403 Engine Oil Filter

Overview of Wix WL7403 Engine Oil Filter for BMW 120i and 125i

The Wix WL7403 engine oil filter is designed specifically for select BMW models, including the 120i and 125i. This cartridge-style, metal-free filter provides reliable filtration using cellulose media to help maintain engine performance and longevity.

• Compatible with BMW 120i and 125i models
• Cartridge lube metal-free filter style
• Cellulose media material for effective oil filtration
• Height: 3.17 inches, Outer diameter top: 2.83 inches, Inner diameter bottom: 1.24 inches
• Bypass relief valve setting: No
• Class W, Light duty (Ld) application

Technical Details and Filter Attributes

The WL7403 oil filter features a cartridge design that eliminates the use of metal components, reducing the risk of contamination and simplifying disposal. Its cellulose media is engineered to capture contaminants effectively while maintaining proper oil flow. The filter measures 3.17 inches in height, with an outer diameter of 2.83 inches at the top and an inner diameter of 1.24 inches at the bottom, ensuring a precise fit for compatible BMW engines. Notably, this filter does not include a bypass relief valve, which is suitable for the specified light-duty applications.

Applications and Problem Solving

This Wix engine oil filter is intended for use in BMW 120i and 125i vehicles, providing essential filtration to protect engine components. It addresses common issues such as:

• Preventing engine wear caused by contaminants in the oil
• Maintaining consistent oil flow without restriction
• Reducing the risk of oil filter collapse under pressure
• Supporting engine longevity through effective filtration

Installation Notes and Tips

When installing the Wix WL7403 filter, ensure the engine is cool and the oil system is depressurized. This cartridge-style filter requires proper seating within the filter housing to prevent leaks. Replace the filter element according to the vehicle manufacturer’s recommended service intervals. Use compatible oil and follow torque specifications for the filter housing cap to avoid damage.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration and durability. The WL7403 undergoes rigorous quality control to ensure consistent performance in BMW 120i and 125i models. While specific warranty details may vary, Wix typically offers coverage against defects in materials and workmanship. Refer to Wix documentation for complete warranty information.