VTT Billet/Silicone B58 F2X/F3X Coolant Hoses

VTT Gen 1 B58 Billet and Silicone Coolant Hose Kit

VTT’s Gen 1 B58 coolant-hose system replaces failure-prone plastic connections and standard rubber hoses with black-anodized billet adapters and molded six-ply silicone hoses shaped around the factory routing.

Configuration Options

• Full kit: upper radiator, lower radiator, expansion-tank, and upper vent hoses
• Radiator kit: upper and lower radiator hoses
• Individual hoses: select only the required replacement

OEM Reference Numbers

• Upper radiator hose: 17128616548
• Lower radiator hose: 17128633482
• Expansion-tank hose: 17128620944
• Upper vent hose: 17128616555

Fitment

Designed for many Gen 1 B58 F2X and F3X applications. Fitment varies by chassis, model year, and individual hose. Match each required hose to the listed BMW part number before ordering; some Gen 1 B58 models use different routing.

Installation

Cooling-system service should be performed on a cold engine. Use new seals where required, complete the BMW bleeding procedure, and inspect every connector for leaks after installation and the first heat cycle.

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.