Premium Brass Radiator Coolant Expansion Tank Bleeder Screw With Heavy Duty Rubber O Ring Direct Drop In Swap Replacement For Oem 17111712788 Compatible With Bmw X3 X5 Z3 Z4 No Sweat Install

Heavy Duty Brass Bleed Valves For BMW Cooling Tanks
✔️ M10 brass bleed valve with rubber seal fits BMW E36 X5

This solid brass component swaps directly onto your factory expansion port to safely vent trapped air from a heated cooling loop. Mechanics slap this handy tool on performance street rides and daily drivers to stop premature pump failure and keep cylinder heads cool.

✅ M10 thread base mates smoothly with 0.39 inch inner width
✅ 0.63 inch overall build stands near sixteen millimeters high
✅ Integrated rubber gasket seals tight around nine millimeter size
✅ Solid anodized alloy takes heavy engine heat without warping
✅ Drop in upgrade slots into E36 E46 E90 X3 X5 Z3 Z4 ports

💡 How to bleed air from a BMW coolant expansion tank properly using brass screws?
This handy little upgrade shifts sticky air pockets out so antifreeze circulates clean.* Clears dead space near the thermostat to stabilize operating temps
-- Keeps system pressure locked down to stop sudden gauge spikes
-- Blocks chemical corrosion that eats away fragile aluminum housings
-- Saves shop labor thanks to a simple ratchet swap jobs

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