Coolant Bleed Screw (OEM 17111712788) — Direct Replacement for E46, E92, E90, E36, E39 Key benefits Exact fit: Manufactured to original factory specifications for a precise replacement of the OEM screw 17111712788. Fits E46, E92, E90, E36, and E39 applications. Durable material: Machined from solid brass and specially treated to resist wear and corrosion, extending service life compared with worn or corroded original screws. Leak‑secure performance: Correct dimensions and thread form ensure a reliable seal in the cooling system, helping prevent coolant leaks and air ingress. Save time on repairs: Direct dropin replacement for damaged or stripped bleed screws — no modification needed, reducing time and effort. Product attributes Function: Coolant bleed screw for venting trapped air from the cooling circuit during maintenance or after component replacement. Compatibility: Specifically for use on models E46, E92, E90, E36, E39 (OEM number 17111712788). Construction: Solid brass body with protective treatment for improved corrosion and wear resistance. Fit and finish: Manufactured to original screw specifications for consistent fit, thread engagement, and sealing performance. Typical use scenarios Routine coolant service: a worn or corroded bleed screw when flushing and refilling the cooling system to ensure proper bleeding and a secure seal. After part replacement: Install the bleed screw when replacing the radiator, water pump, thermostat housing, or hoses to restore OEM‑spec bleed capability. following overheating or stripping: Swap out a damaged or stripped screw encountered during diagnostics or to eliminate leaks and allow correct air removal from the system. Notes This part is intended as a direct replacement for the OEM screw number 17111712788 and is produced to match the original specifications for fit and function.