URO Engine Coolant Reservoir Bleeder Screw

URO Parts Engine Coolant Reservoir Bleeder Screws: Precision Fit for European Vehicles

A failed or weeping coolant reservoir bleeder screw is one of the most deceptively small problems that can cascade into a serious cooling system headache. For owners of European vehicles — particularly BMW models ranging from the classic 3 Series and 5 Series all the way to the 7 Series and Z Series — finding a reliable, correctly-specified replacement has historically meant paying a premium for dealer parts. That's exactly the gap that URO Parts was built to fill.

What Sets URO Apart in This Category

URO offers two tiers of engine coolant reservoir bleeder screws for European vehicles. The first is a direct OE-specification replacement (part number 17111712788) engineered to meet or exceed factory standards. The second — and arguably more compelling option — is their URO Premium version (part number 17111712788PRM), which takes a fundamentally different approach to a known failure-prone component.

Rather than simply replicating the original factory design, the URO Premium bleeder screw is a heavy-duty brass upgrade paired with an EPDM O-ring — a high-performance elastomer chosen specifically for its superior resistance to heat and corrosive coolant chemistry. This "re-engineered" philosophy is central to how URO approaches problematic OE parts: instead of duplicating a design already known to fail, they improve upon it with more robust materials and construction.

Each URO Premium product carries the distinctive "PRM" suffix on its part number, making it easy to identify at a glance. The result is a bleeder screw that installs with OE precision but outlasts its factory counterpart in pressurized, high-heat cooling system environments.

Built to a Verifiable Standard

URO Parts — manufactured exclusively by A.P.A. Industries — backs its entire product line with rigorous quality controls. All parts are produced in ISO 9001 and TS16949 certified manufacturing facilities, and each component is evaluated by simulating real-world operating conditions before it ever reaches a customer. The brand also holds OEM supply contracts with manufacturers including Mercedes-Benz, Jaguar, and Saab, a testament to the caliber of engineering behind every part they produce.

Whether you're a DIY enthusiast doing a cooling system refresh on a weekend or a professional technician restoring cooling system integrity on a customer's vehicle, URO's coolant reservoir bleeder screws deliver the fit, function, and durability that European platforms demand — without the dealership markup.