A-Premium Radiator Coolant Hose Compatible with BMW E90/E92/Z4 10.75in OEM-style Quick Connect

A-Premium Upper Engine Radiator Coolant Hose is a direct-fit replacement for specific BMW 3-series and Z4 models, delivering reliable coolant flow with factory-style quick connectors.

This upper radiator hose from A-Premium is engineered to match the original equipment form, fit, and function for a range of BMW L6 petrol engines. Built with a combination of durable plastic and steel reinforcements, it replaces the OEM part numbers listed and restores proper coolant routing at the engine's upper outlet. The hose comes boxed and includes the quick-connect fittings used on the factory assembly for a simple swap with no extra adapters.

Which BMW models and engine codes does this hose fit?

This hose fits multiple BMW models with inline-six petrol engines across several years. Confirm fitment by comparing the centerline length and OEM reference numbers before purchase.

• Compatible models: E82/E88 128i (2008–2013), E90/E91 323i (2006–2011), E90 325i/325xi (2006), E90/91/92/93 328i (2007–2013), E92 328xi (2007–2008), E90 330i/330xi (2004–2006), Z4 E89 (2009–2011).
• Engine type: L6 inline-six petrol 2.5L–3.0L variants where applicable.
• Reference numbers: 23419, 17127531579, 17 12 7 531 579, 117 06291 405, 11706291259, CHR0406R, V201293.

How do I verify this hose will replace my original part?

Measure your existing hose centerline length and cross-check OEM reference numbers to ensure compatibility. This A-Premium hose is designed to be a one-to-one replacement when the dimensions and connectors match.

• Required centerline length: 10.75 inches (does not fit 10.5-inch variants).
• Confirm quick-connect fittings match your vehicle’s factory connections.
• Compare listed OEM reference numbers with the part on your vehicle for a reliable match.

What are the construction and performance highlights?

The hose combines molded plastic with steel reinforcements in critical areas to resist heat and pressure typical of cooling systems. It’s manufactured to restore correct coolant flow and secure connections using original-style quick connectors.

• Material composition: plastic body with steel components at connector points for durability.
• Inner diameter: 1.81 inches for correct coolant throughput.
• Packaged quantity: single replacement hose shipped in a protective box.

Will this part come with any warranty or support?

A-Premium backs this replacement hose with a one-year unlimited-mileage guarantee to cover defects in materials and workmanship. Customer assistance is available to answer fitment or installation questions.

• Warranty: one-year unlimited-mileage guarantee from A-Premium.
• Support: product coverage and fitment help available from the seller.
• Packaging: shipped boxed to protect the hose during transit.

Who is this for: This A-Premium upper radiator coolant hose is aimed at BMW owners, DIY mechanics, and independent shops seeking a direct-fit replacement for affected E82, E88, E90, E91, E92, E93, and Z4 E89 models with inline-six petrol engines. If your vehicle uses factory quick-connect cooling lines and the required centerline length is 10.75 inches, this hose provides a practical, warrantied alternative to OEM parts to restore proper cooling system function.