SLE BMW B58 / S58 Coolant Tank Extension Harness

The SLE Coolant Tank Extension Harness is designed for vehicles utilizing a top mount turbocharger setup that requires relocation of the factory coolant expansion tank. This plug-and-play harness connects directly to the factory coolant tank wiring harness and extends the connection by 60 inches, allowing the coolant tank to be relocated while retaining full factory sensor functionality.

Constructed with OEM-style connectors, automotive-grade wiring, and durable braided sleeving, this harness provides a clean and reliable solution for custom engine bay configurations.

Features

• Extends the factory coolant tank harness by 60 inches
• Plugs directly into the factory vehicle harness
• Connects directly to the factory coolant tank sensor
• OEM-style connectors
• Automotive-grade wiring
• Durable braided protective sleeving
• Plug-and-play installation
• No cutting or splicing required

Benefits

• Required for most top mount turbocharger setups that relocate the factory coolant tank
• Allows relocation of the coolant expansion tank while maintaining factory sensor operation
• Maintains factory wiring integrity
• Clean and professional installation

What’s Included

• (1) SLE Coolant Tank Extension Harness

Fitment

• BMW B58 Engines
• BMW S58 Engines

Please verify connector compatibility prior to purchase.

Disclaimer

Professional installation is recommended. Verify fitment before ordering.