Rear Brake Hydraulic Hose for BMW Applications

The Dynamite Friction DFC Brake Hose, part number 350-31072, is a rear brake hydraulic hose built for specific BMW applications. It uses an EPDM outer sleeve and includes grommets for a secure fit at the mounting points.

• Brand: Dynamite Friction
• Brand line: DFC Brake Hose
• Part number: 350-31072
• Outer sleeve material: EPDM
• Grommets included: Yes
• End 1 fitting gender: Female
• End 2 fitting gender: Male
• End 1 thread size: M10-1.00
• End 2 thread size: M10-1.00
• Overall length: 370
• Rear position fitment

DFC Brake Hose Line Details

The DFC Brake Hose line focuses on direct-fit hydraulic hose replacement for brake system service. This hose is specified with matching M10-1.00 thread sizes at both ends, a female-to-male fitting layout, and an overall length of 370 for the rear brake circuit.

Compatible BMW Fitment

• Fits 2021-2022 BMW M440i xDrive, rear
• Fits 2017-2021 BMW 430i, rear
• Fits 2020-2021 BMW M340i, rear
• Fits 2020-2021 BMW M340i xDrive, rear
• Fits 2019-2021 BMW Z4, rear

Common Service Issues

• Rear brake hose cracking or seepage
• Brake fluid loss at the hose connection
• Soft or inconsistent brake pedal feel from a damaged hydraulic line
• Corrosion or wear at the hose mounting area
• Replacement needs during rear brake system repair on BMW 430i, M340i, M440i xDrive, or Z4 models

Installation Notes

Confirm rear-position routing, thread size, and fitting orientation before installation. Inspect the brake line path, mounting points, and adjacent components for wear or damage, and bleed the brake system after hose replacement. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Built by Dynamite Friction for brake hydraulic service, this hose uses EPDM outer sleeve construction and includes grommets for mounting support. Verify vehicle fitment by year, model, and rear position before ordering.