Standard Ignition CBS-1850 Headlight Dimmer Switch

Reliable Headlight Dimmer Switch for BMW 525i and 530i

The Standard Ignition CBS-1850 headlight dimmer switch is designed specifically for BMW 525i and 530i models. This new combination switch offers precise control over your vehicle's lighting and turn signal functions, ensuring safe and efficient operation.

Key Features of the Standard Ignition CBS-1850

• Bolt-on attachment method for secure installation
• Combination switch functionality including turn signal and high beam control
• Includes indicator markings and latching high beam operator
• Momentary high beam flasher included for quick signaling
• Rectangular connectors with female and male terminals for reliable electrical connections
• Operates on standard 12-volt electrical systems
• New part with bullet-type terminals and 9 terminal quantity for compatibility

Detailed Product Description

The Standard Ignition CBS-1850 headlight dimmer switch is engineered to meet the electrical and lighting control needs of BMW 525i and 530i vehicles. This switch features a combination design that integrates turn signal control, high beam latching, and momentary high beam flashing functions. The rectangular connectors include two cavities with a mix of female and male terminals, ensuring a secure and precise fit within the vehicle's wiring harness. Designed for bolt-on installation, this switch replaces worn or faulty dimmer switches to restore proper lighting control. It does not include cruise control or fog light operators, focusing solely on essential headlight and turn signal functions.

Common Issues Addressed by This Headlight Dimmer Switch

• Intermittent or non-functioning high beam operation
• Turn signals failing to activate or cancel properly
• Faulty or unresponsive headlight dimmer control
• Broken or worn switch causing electrical connection issues
• Inability to flash high beams momentarily for signaling

Installation Notes and Tips

• Ensure vehicle battery is disconnected before installation to prevent electrical shorts
• Use the bolt-on attachment method to secure the switch firmly in place
• Verify connector orientation and terminal alignment before connecting
• Check for proper operation of turn signals and high beam functions after installation
• Consult the BMW 525i or 530i service manual for detailed wiring diagrams if needed

Quality Assurance and Warranty Information

The Standard Ignition CBS-1850 is a new replacement part manufactured to meet OEM specifications for BMW 525i and 530i models. It undergoes rigorous quality control to ensure reliable performance and durability. This part is backed by Standard Ignition's warranty coverage, providing confidence in its long-term functionality and fitment.