{"product_id":"pyhauto-engine-coolant-reservoir-with-sensor-cap-for-bmw-118i-z4-replace-603-334-17137567462","title":"PYHAUTO Engine Coolant Reservoir with Sensor \u0026 Cap for BMW 118i- Z4 | Replace 603-334 17137567462","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eDiscover the PYHAUTO engine coolant reservoir with sensor and cap, crafted to mirror the original part while fitting a broad range of BMW models. This component is designed to integrate smoothly with your cooling system, offering a reliable interface that supports steady coolant flow and accurate level reading without requiring a dealership visit.\u003c\/p\u003e\n\u003cp\u003eBeyond appearance, the reservoir emphasizes practical durability. It is built to withstand the heat and chemical exposure typical of engine bays, helping maintain a clean, pressurized circuit during daily driving and spirited runs alike. The integrated sensor adds a layer of visibility, enabling you to monitor fluid levels as part of your routine vehicle care, so you can respond to potential changes before they become a concern.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM design that matches the factory part for confident fit and operation.\u003c\/li\u003e\n  \u003cli\u003eExtensive compatibility across BMW models from the 1 Series through to the Z4, simplifying planning and replacements.\u003c\/li\u003e\n  \u003cli\u003eSensor integrated to support level monitoring and proactive checks within your vehicle’s systems.\u003c\/li\u003e\n  \u003cli\u003eDurable construction using high quality materials to resist heat, vibration, and coolant exposure.\u003c\/li\u003e\n  \u003cli\u003e1 year warranty with responsive support to help with questions or concerns after purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility at a glance\u003c\/h3\u003e\n\u003cp\u003eThe reservoir is designed to align with vehicles that use the listed part number 603-334 17137567462, spanning multiple model years and BMW lines. This means a practical option for owners seeking OEM-like replacement without extensive modification or customization.\u003c\/p\u003e\n\n\u003ch3\u003eWhat to expect in daily use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSecure cap and seal help maintain consistent pressure across thermal cycles and road conditions.\u003c\/li\u003e\n  \u003cli\u003eOEM style design preserves the visual integrity of the engine bay while providing reliable performance.\u003c\/li\u003e\n  \u003cli\u003eA potentially time and cost efficient replacement compared with dealership alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation tips and care\u003c\/h3\u003e\n\u003cp\u003eFor best results, ensure the sensor connector is clean and seated, and verify a proper seal at the cap to prevent leaks. If you are replacing the reservoir, follow standard cooling system bleed procedures as recommended by your vehicle manual or trusted technician.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose PYHAUTO\u003c\/h3\u003e\n\u003cp\u003ePYHAUTO focuses on practical, dependable parts designed to meet or exceed factory expectations. This engine coolant reservoir with sensor and cap aims to deliver reliable fit and function, supported by straightforward warranty terms and accessible customer support. It is a sensible option if you want a credible replacement that respects your vehicle engineering standards without unnecessary complexity.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What vehicles is the PYHAUTO engine coolant reservoir compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits a broad list of BMW models from 1 Series to Z4, offering OEM-like compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this reservoir come with a warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Includes a 1-year warranty and responsive support.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PYHAUTO","offers":[{"title":"Default Title","offer_id":42470172262485,"sku":"B0FBMC4FP7","price":69.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/pyhauto-engine-coolant-reservoir-sensor-cap-bmw-118i.jpg?v=1778121686","url":"https:\/\/plentytorque.co.uk\/products\/pyhauto-engine-coolant-reservoir-with-sensor-cap-for-bmw-118i-z4-replace-603-334-17137567462","provider":"PlentyTorque","version":"1.0","type":"link"}