What is the main benefit of upgrading to stainless steel brake lines?

Stainless steel braided brake lines eliminate the expansion that rubber hoses experience under pressure. This results in a firmer brake pedal feel, more consistent braking performance, and can lead to shorter stopping distances, especially during hard braking.

Are these brake lines resistant to damage?

Yes, the outer layer of the brake lines is made from stainless steel, which provides resistance to abrasion and corrosion. This helps them hold up well against road debris and environmental factors.

What is the PTFE inner hose for?

The PTFE (polytetrafluoroethylene) inner hose is a smooth, low-friction material that allows for efficient fluid transfer. It's the core component that doesn't expand under pressure, contributing to the improved brake feel.

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Goodridge 20-23 BMW M3/M4 (G80/G82/G83) SS Brake Lines

Specifications

Brand: Goodridge
Part #: 31034

Goodridge 20-23 BMW M3/M4 (G80/G82/G83) SS Brake Lines

Name: Goodridge 20-23 BMW M3/M4 (G80/G82/G83) SS Brake Lines
Brand: Goodridge
SKU: goodridge-goodridge-20-23-bmw-m3-m4-g80-g82-g83-ss-brake-lines-t14-556587
Price: 171.29 USD
Availability: BackOrder

$171.29

On Backorder — Expected to ship by Apr 26, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Goodridge 20-23 BMW M3/M4 (G80/G82/G83) SS Brake Lines. Improves brake feel and eliminates sponginess for more consistent stopping.

Key Features

Fits 2020-2023 BMW M3/M4 (G80/G82/G83).
Constructed with a PTFE inner hose and stainless steel overbraid.
Eliminates sponginess under braking for a firmer pedal feel.
Improves braking efficiency and consistency.
Resistant to abrasion and corrosion.

This brake line kit is designed for the 2020-2023 BMW M3/M4 (G80/G82/G83) models. Please verify fitment for your specific vehicle.

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Product Details

This kit from Goodridge includes the stainless steel braided brake lines specifically made for your 2020-2023 BMW M3, M4, or M4 Convertible (G80/G82/G83). These lines replace your car's original rubber brake hoses. The PTFE inner hose, wrapped in a stainless steel braid, is the key to their improved performance.

Factory rubber brake lines can expand slightly under pressure, especially when they get older or when you're braking hard. This expansion makes the brake pedal feel soft or 'spongy.' Goodridge's braided stainless steel lines don't expand, so they transfer brake pressure directly to your calipers. This means you'll notice a firmer brake pedal, more consistent braking performance, and potentially shorter stopping distances, especially during spirited driving or track use. Plus, the stainless steel outer layer resists abrasion and corrosion, so they'll hold up well over time.