Goodridge G-Stop stainless steel braided brake line kit for 1987–1990 BMW M3 replaces factory rubber lines with PTFE inner hose and stainless overbraid to reduce sponginess and improve pedal response. The kit includes multiple front and rear lines, adapters and fittings, and is intended to deliver more consistent braking feel, better abrasion resistance and reliable performance under demanding conditions.
Goodridge 87-90 BMW M3 Brake Lines