Standard Ignition WP-399 Windshield Wiper Switch

Reliable Wiper Switch for BMW Models

The Standard Ignition WP-399 wiper switch is designed to restore proper windshield wiper control for various BMW vehicles. Engineered with precise terminal configurations and a 12-volt rating, this switch ensures consistent performance and compatibility with multiple BMW models.

• Connector Gender: Female for secure connection
• Terminal Gender: Male pins for reliable electrical contact
• Terminal Quantity: 6 terminals to match OEM specifications
• Terminal Type: Pins designed for durability and fit
• Voltage: 12 volts, suitable for standard automotive electrical systems

Product Details and Specifications

The WP-399 wiper switch from Standard Ignition is built to meet the electrical and mechanical requirements of BMW vehicles including the 3 Series (323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi), 5 Series (525i, 528i, 530i, 540i), and 7 Series (740i, 740iL, 750iL), as well as performance models like the M3 and M5. Featuring a female connector and six male pin terminals, this switch integrates seamlessly with the vehicle’s wiring harness. The 12-volt rating aligns with standard BMW electrical systems, ensuring proper function without modification.

Common Applications and Problem Resolution

• Restores intermittent or non-functioning windshield wiper control
• Replaces faulty or worn wiper switches causing erratic wiper operation
• Solves issues with wiper speed selection or failure to activate
• Addresses electrical connection problems due to damaged terminals
• Improves safety by ensuring reliable windshield visibility in adverse weather

Installation Notes and Tips

• Disconnect the vehicle battery before installation to prevent electrical shorts
• Verify connector gender and terminal count match the vehicle’s wiring harness
• Handle terminals carefully to avoid bending or damage during installation
• Consult the vehicle’s service manual for specific removal and installation procedures
• Test wiper switch operation before reassembling dashboard components

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The WP-399 wiper switch undergoes rigorous quality control to ensure durability and reliable performance. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.