Dorman 667-552 Turbocharger Coolant Line - Supply

Dorman 667-552 Turbocharger Coolant Line

This Dorman turbocharger coolant line is built to match the fit and function of the original line on specified BMW applications. Made from steel with a silver finish, it is engineered for reliable coolant routing in turbocharged systems where proper flow and secure connections matter.

Key Features

• Direct replacement turbocharger coolant line for select BMW models
• Steel construction for durability in high-heat engine bay conditions
• Molded assembly shape for OE-style routing and fit
• Male inlet and outlet fittings
• Silver finish with OEM-grade design intent
• Part number 667-552 for identification and ordering

Detailed Description

Dorman 667-552 is a turbocharger coolant line designed for BMW turbocharged cooling circuits where the original line has worn, corroded, or leaked. The steel construction and molded assembly layout help it follow the factory routing more closely, while the male-to-male fitting design supports a direct replacement on the specified supply-side applications. This part is a practical choice for BMW 320i, 328i, 528i, X1, X3, X4, X5, Z4, 228i, 428i, and related models listed in the fitment data.

This part cross-references BMW OE numbers 11537588935 and 11538626654 for the same application. If you are searching for a turbocharger coolant line for BMW 320i, BMW 328i, or BMW X3 supply-side service, Dorman 667-552 provides an OE-style replacement path.

What It Helps Address

• Coolant seepage from a damaged or corroded turbo coolant line
• Restricted coolant flow through a bent or internally compromised line
• Fitment issues caused by a mismatched replacement hose or tube
• Turbocharger cooling circuit service on BMW supply-side applications
• Noise or vibration concerns related to a loose or poorly routed line

Installation Notes and Tips

Verify the vehicle’s year, model, and supply-side application before installation. Compare the original line’s routing, fitting style, and thread diameters to confirm match-up with the existing turbocharger coolant plumbing. Inspect adjacent seals, clamps, and connection points for wear before reassembly, and ensure the line is seated and tightened to factory specifications.

Quality Assurance

Dorman designs this coolant line as an OEM-grade replacement part for specified BMW vehicles. The part is engineered to match original fit and function, with materials selected for durability in turbocharger cooling service.