Standard Ignition TS-581 Engine Cooling Fan Switch

Reliable Engine Cooling Fan Switch for BMW Models

The Standard Ignition TS-581 Engine Cooling Fan Switch is designed to maintain optimal engine temperature in select BMW vehicles. Engineered for precise operation, this switch ensures your cooling fan activates at the right time to prevent overheating.

• Compatible with BMW 528i, 540i, 740i, 740iL, and 750iL models
• Plug-in attachment method for straightforward installation
• Oval-shaped switch with a toggle actuation style
• Durable metal housing with brass and plastic finish
• 12-volt operation with a 14mm x 1.50 thread size
• Single female oval connector with three male pin terminals
• Overall width of 16.51 mm (0.65 inches)
• Open at idle to support proper engine cooling

Product Details and Specifications

The TS-581 Engine Cooling Fan Switch from Standard Ignition features a robust metal housing finished in brass and plastic, providing durability and resistance to engine bay conditions. Its plug-in attachment method simplifies replacement without the need for additional hardware or mounting brackets. The switch is designed with a toggle actuation style and an oval shape, matching the original equipment specifications for BMW 528i, 540i, 740i, 740iL, and 750iL models. It operates on a 12-volt system and includes a single female oval connector with three male pin terminals, ensuring secure electrical connections. The thread size of 14mm x 1.50 allows for proper fitment in the engine cooling system.

Common Applications and Problem Resolution

• Prevents engine overheating by activating the cooling fan at the correct temperature
• Replaces faulty or worn engine cooling fan switches in BMW 5 and 7 Series vehicles
• Resolves intermittent fan operation or failure to engage issues
• Addresses overheating warning lights related to cooling fan switch malfunction
• Improves engine temperature regulation for consistent performance

Installation Notes and Tips

Installation of the Standard Ignition TS-581 switch requires no additional hardware or mounting brackets, as it uses a plug-in attachment method. Ensure the engine is cool before removal to avoid injury. Verify the thread size and connector type match your vehicle’s specifications. Disconnect the battery before installation to prevent electrical shorts. After installation, test the cooling fan operation to confirm proper switch function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TS-581 Engine Cooling Fan Switch undergoes rigorous quality control testing. While specific warranty details are not provided here, Standard Ignition typically offers limited warranties on their components. Consult product documentation or the manufacturer for exact warranty terms.