Vemo V20-71-0004 Starter Relay

Reliable Starter Relay for BMW Models

The Vemo VEMO Starter Relay V20-71-0004 is designed to provide dependable electrical performance for a range of BMW vehicles. Engineered to meet OEM specifications, this starter relay ensures consistent starting system operation in models such as the BMW 318i, 325i, 535i, and M3.

• Clamp type: 87a for secure electrical connection
• Distinctive yellow colour for easy identification
• Compact dimensions: 26mm length, 26mm width, 36mm height
• Violet housing colour for durability and visual distinction
• Five used contacts to support reliable current flow
• Lightweight design at 0.030 kg

VEMO Brand Line Overview

The VEMO brand line specializes in high-quality electrical components tailored for European vehicles. This starter relay, part number V20-71-0004, reflects VEMO's focus on precision and compatibility, ensuring optimal integration with BMW's electrical systems. The VEMO line is recognized for its adherence to strict manufacturing standards, making it suitable for professional automotive repairs and maintenance.

Product Details and Specifications

This starter relay features a clamp type 87a, which is standard for many BMW starter circuits, providing a secure and stable connection. The relay's yellow colour coding aids technicians in quick identification during diagnostics or replacement. Its compact size (26mm x 26mm x 36mm) allows for easy installation in tight engine compartments. The violet housing offers protection against environmental factors, contributing to the relay's longevity. With five used contacts, the relay supports efficient electrical switching necessary for starting the engine.

Compatible BMW Models and Applications

• BMW 318i, 318is
• BMW 325e, 325i, 325is, 325iX
• BMW 525i, 530i, 533i, 535i, 535is, 540i
• BMW 635CSi
• BMW 735i, 735iL, 740i, 740iL
• BMW 840Ci
• BMW M3, M5
• BMW Z3, Z4

Common Issues Addressed by This Starter Relay

• Intermittent or no engine start due to relay failure
• Electrical faults causing starter motor malfunction
• Starter relay overheating or contact wear
• Unresponsive ignition switch related to relay issues
• Replacement for worn or damaged OEM starter relays

Installation Notes and Tips

Ensure the vehicle's battery is disconnected before replacing the starter relay to prevent electrical shorts. Verify the clamp type 87a matches the existing relay for compatibility. The compact dimensions facilitate installation in confined spaces typical of BMW engine bays. Confirm the relay's yellow colour and violet housing to avoid confusion with other relays. Professional diagnostic tools are recommended to test relay function before replacement.

Quality Assurance and Warranty

The Vemo VEMO Starter Relay V20-71-0004 is manufactured to meet stringent quality standards, ensuring reliable performance in BMW electrical systems. While specific warranty details are not provided, Vemo products typically undergo rigorous testing to comply with OEM requirements, supporting long-term durability and operational consistency.