Upper Radiator Coolant Hose FOR BMW 135i 135is 335i xDrive 335xi Z4 X1 3.0L

What is Upper Radiator Coolant Hose FOR BMW 135i 135is 335i xDrive 335xi Z4 X1 3.0L?

This Upper Radiator Coolant Hose is a direct-fit replacement for select BMW models equipped with the 3.0L turbocharged inline-6 engine, including the 135i, 335i, Z4, and X1. Designed to handle high-temperature coolant transfer from the engine to the radiator, this hose ensures reliable thermal management critical for performance and longevity. Built to match OEM specifications, it's an essential maintenance part for preventing leaks, overheating, and engine damage in high-stress driving conditions. Sold by Lab Work Auto, this aftermarket hose offers a cost-effective solution without sacrificing durability or fit.

Key features

• Precise Fitment — Matches OEM dimensions for 3.0L turbocharged BMW inline-6 engines.
• Durable Construction — Made from reinforced rubber to withstand high heat and pressure.
• Direct Replacement — Replaces part number 17127540127 with no modifications needed.
• Aftermarket New — Brand-new component built to meet factory performance standards.
• Wide Compatibility — Fits multiple BMW models from 2007–2014 including 135i, 335i, Z4, and X1.
• Easy Installation — Designed for straightforward DIY replacement with common tools.
• Cost-Effective — Priced at $20.95, it's a budget-friendly alternative to dealership parts.

Who is Upper Radiator Coolant Hose FOR BMW 135i 135is 335i xDrive 335xi Z4 X1 3.0L for?

This coolant hose is ideal for BMW owners maintaining 3.0L N54/N55 engine platforms, especially those performing routine cooling system upgrades or repairs. It suits DIY mechanics with basic hand tools and intermediate skill levels. Enthusiasts restoring or tuning 135i, 335i, or Z4 models will appreciate the reliable fit and performance. It's also a smart choice for shops sourcing affordable, quality aftermarket parts for customer service jobs.

How does Upper Radiator Coolant Hose FOR BMW 135i 135is 335i xDrive 335xi Z4 X1 3.0L compare?

Compared to OEM hoses, this aftermarket version delivers similar performance at a lower price point. It outperforms generic universal hoses in fit and durability, avoiding leaks or misalignment. While not as reinforced as some premium performance hoses, it exceeds standard polypropylene or silicone universal types in application-specific design. For daily drivers and mild performance use, it strikes a balance between cost and reliability, making it a smarter pick than temporary fixes or overpriced dealer parts.