Vemo V20-77-1005 Fuel Tank Breather Valve

Fuel Tank Breather Valve for BMW Applications

The Vemo V20-77-1005 is an electronic fuel tank breather valve built for fuel storage and evaporative system control. With a rectangular connector shape, 2 poles, and a compact black housing, it is a direct-fit style replacement for select BMW models that require precise tank ventilation control.

Compatible With BMW 325Ci, 330Ci, X5, 325i, 325xi, 330i, 330xi, Z4, 525i, 530i, 540i, Z8, Z3, 740i, 740iL, 750iL, 323Ci, 323i, 328Ci, 328i, 528i, 318is, 318ti, 323is, 328is, M3, 318i, 840Ci, and 850Ci applications across the listed model years.

• Brand: Vemo VEMO
• Part number: V20-77-1005
• Fuel tank breather valve for air and fuel delivery systems
• Electronic operating mode for controlled venting
• Rectangular connector shape with 2 electrical poles
• Black housing
• Dimensions: 87.5 mm height, 53 mm length, 52 mm width
• Lightweight design at 0.110 kg

Detailed Product Overview

The VEMO product line focuses on replacement components for European vehicle systems, and the V20-77-1005 follows that approach with a fuel tank breather valve specification suited to BMW fuel storage and evaporative control needs. This part number V20-77-1005 is listed across a wide range of BMW chassis and model years, including 3 Series, 5 Series, 7 Series, X5, Z3, Z4, Z8, M3, and 8 Series applications. This part cross-references Standard Ignition CP474 for the same application.

What This Part Helps Address

• Fuel tank venting faults related to breather valve operation
• Evaporative system issues tied to electronic valve control
• Incorrect tank pressure management in BMW fuel storage systems
• Check-engine concerns associated with vent valve performance
• Fitment replacement needs for aging OEM-style breather valves

Installation Notes and Tips

Verify connector shape, pole count, and physical dimensions before installation. Confirm the vehicle application against the listed BMW fitment for your model year, since coverage includes multiple platforms and year ranges. The V20-77-1005 uses an electronic operating mode, so electrical connection integrity and proper system diagnosis are important during replacement.

Quality Assurance

Vemo VEMO replacement parts are cataloged for European vehicle applications and built to match the specified fitment and connector requirements for the listed BMW models. Always confirm part number V20-77-1005 against the vehicle identification and existing component before ordering.