{"product_id":"radiator-coolant-water-hose-pipe-kit-7-hoses-fit-for-bmw-128i-2008-2013-fit-for-bmw-328i-convertible-2012-2013-17127564480-11537516414-11537545665","title":"BMW Coolant Hose Kit (7 Hoses) - 128i, 328i, 325i\/xi, 330i\/xi - N51 Engine, Automatic","description":"\u003cp\u003eIf you're chasing a coolant leak, a soft heater hose, or a check-engine light tied to overheating on an E82 1 Series or E9x 3 Series BMW, this \u003cstrong\u003eBMW coolant hose kit\u003c\/strong\u003e replaces every hose in the system at once instead of chasing one cracked section at a time. It's a direct-fit, 7-piece kit built for the N51 engine with automatic transmission, and it covers the exact routing BMW used from the water pump all the way to the expansion tank — so you're not stuck ordering three separate hoses over the next two winters as the rest of the rubber gives out.\u003c\/p\u003e\n\n\u003ch2\u003eWhich BMWs This Fits\u003c\/h2\u003e\n\u003cp\u003eThis kit is engineered specifically for BMW models equipped with the \u003cstrong\u003eN51 engine and automatic transmission\u003c\/strong\u003e — that qualifier matters, since the hose routing and the transmission oil cooler line differ on manual cars and on the N52\/N54 engines. Confirmed fitment:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 128i (2008-2013)\u003c\/li\u003e\n\u003cli\u003eBMW 325i (2006)\u003c\/li\u003e\n\u003cli\u003eBMW 325xi (2006)\u003c\/li\u003e\n\u003cli\u003eBMW 328i (2007-2011)\u003c\/li\u003e\n\u003cli\u003eBMW 328i Convertible (2012-2013)\u003c\/li\u003e\n\u003cli\u003eBMW 328i Coupe (2012-2013)\u003c\/li\u003e\n\u003cli\u003eBMW 328i xDrive (2009-2012)\u003c\/li\u003e\n\u003cli\u003eBMW 328i xDrive Coupe (2013)\u003c\/li\u003e\n\u003cli\u003eBMW 328xi (2007-2008)\u003c\/li\u003e\n\u003cli\u003eBMW 330i (2006)\u003c\/li\u003e\n\u003cli\u003eBMW 330xi (2006)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBefore you buy, it's worth double-checking your own VIN or engine code against these years, since BMW ran overlapping engine options across the same model names during this era. If you're not sure which hoses your specific car needs, our \u003ca href=\"\/pages\/request-a-part\"\u003erequest a part\u003c\/a\u003e page is the fastest way to get a second opinion before you order.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's In the Box — All 7 Hoses\u003c\/h2\u003e\n\u003cp\u003eThis is a complete cooling circuit kit, not a single hose. You get:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x Water Hose — Water Pump to Engine Inlet\u003c\/li\u003e\n\u003cli\u003e1x Water Hose — Thermostat Housing to Water Pump\u003c\/li\u003e\n\u003cli\u003e1x Water Hose — Cylinder Head to Thermostat Housing (heavy duty fitting)\u003c\/li\u003e\n\u003cli\u003e1x Water Hose — Radiator to Auto Trans Oil Cooler\u003c\/li\u003e\n\u003cli\u003e1x Upper Radiator Hose — Engine to Radiator\u003c\/li\u003e\n\u003cli\u003e1x Lower Radiator Hose (with temperature sensor fitting)\u003c\/li\u003e\n\u003cli\u003e1x Water Hose — Upper Radiator Hose to Expansion Tank \/ Vent Hose\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese cross-reference to OE numbers \u003cstrong\u003e17127564480, 11537516414, and 11537545665\u003c\/strong\u003e, so if you're comparing against what's currently on the car, or against a dealer quote, that's what to match against.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Replace the Whole Set Instead of One Hose\u003c\/h2\u003e\n\u003cp\u003eCoolant hoses on these cars tend to age together — if one is cracked or weeping at a clamp, the rest are usually not far behind, since they've all been through the same heat cycles for the same number of years. That's really the case for a full \u003cstrong\u003eBMW coolant hose kit\u003c\/strong\u003e rather than a one-off replacement: you do the job once, on your schedule, instead of pulling the intake manifold or fighting for access to the same spot again in six months.\u003c\/p\u003e\n\u003cp\u003eThe hoses themselves are molded from a heat-resistant, ozone-resistant rubber compound meant to hold up under the same underhood conditions as the original equipment, and they're built as direct replacements — same routing, same fittings, so there's no cutting, splicing, or improvising brackets. The lower radiator hose keeps the factory temperature sensor fitting, and the reinforced walls resist vacuum collapse under load, which is the failure mode that tends to show up as a hose that looks fine cold but pinches shut once the system's hot and the water pump is pulling against it.\u003c\/p\u003e\n\u003cp\u003eNone of this is exotic engineering — coolant hoses are a fairly simple part of how a car sheds engine heat — but simple parts still fail, and when they do, they tend to fail at the worst time. If you want the background on how these systems work end to end, Wikipedia's overview of the \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Internal_combustion_engine_cooling\" target=\"_blank\" rel=\"noopener noreferrer\"\u003einternal combustion engine cooling system\u003c\/a\u003e is a decent, non-commercial explainer of what each hose in this kit is actually doing.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e Hose (coolant\/water hose kit, 7 pieces)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 Year Warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Type:\u003c\/strong\u003e Direct Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlacement on Vehicle:\u003c\/strong\u003e Front, Rear, Left, Right\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE\/Reference Numbers:\u003c\/strong\u003e 17127564480, 11537516414, 11537545665\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine\/Transmission Fitment:\u003c\/strong\u003e N51 engine, automatic transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eBecause every hose is a direct replacement, installation is mostly a matter of draining the system, working through the routing one hose at a time, and torquing the clamps back to spec — most home mechanics comfortable with basic cooling system work can get through the full kit in an afternoon. That said, a couple of these hoses sit close to the intake and accessory brackets, so give yourself more time than you think you'll need the first time through, and have a catch pan ready since you'll be draining and refilling coolant. Always let the engine cool completely before opening the system.\u003c\/p\u003e\n\u003cp\u003eOnce it's installed, bleed the system properly and keep an eye on the temperature gauge over the first few drive cycles — that's true of any cooling system job, not just this one, and it's the easiest way to catch a loose clamp before it becomes a leak on the highway.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty, Shipping, and Support\u003c\/h2\u003e\n\u003cp\u003eThis kit carries a 2-year warranty against manufacturing defects, and full details are on our \u003ca href=\"\/pages\/warranty\"\u003ewarranty page\u003c\/a\u003e. If you're weighing this against another part, or just want to confirm compatibility one more time before checkout, our \u003ca href=\"\/pages\/faq\"\u003eFAQ\u003c\/a\u003e covers the questions we get most often about fitment and returns. For questions we haven't answered there, reach out through our \u003ca href=\"\/pages\/contact\"\u003econtact page\u003c\/a\u003e and a real person will get back to you.\u003c\/p\u003e\n\u003cp\u003eOnce your order ships, you can follow it on our \u003ca href=\"\/pages\/track-order\"\u003eorder tracking page\u003c\/a\u003e, and our \u003ca href=\"\/pages\/shipping\"\u003eshipping page\u003c\/a\u003e has current timelines and policies. This hose kit lives in our \u003ca href=\"\/collections\/cooling-system-parts\"\u003ecooling system parts\u003c\/a\u003e collection alongside radiators, water pumps, and thermostats for other applications, and if you're working on more than one system on the same car, our full \u003ca href=\"\/collections\/bmw\"\u003eBMW parts\u003c\/a\u003e collection is worth a browse while you're at it.\u003c\/p\u003e\n\u003cp\u003eBottom line: if your 1 Series or 3 Series N51 is due for cooling system work, this \u003cstrong\u003eBMW coolant hose kit\u003c\/strong\u003e gets all seven hoses done in one order, with OE-matching fitment and a warranty behind it, so you're not back under the hood chasing the next hose that lets go.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"18981560","offer_id":49917414998244,"sku":"CJQT315320901AZ","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/2c0ae92a-2a78-4414-9953-f484e081e265.jpg?v=1789891934","url":"https:\/\/easylifeautoparts.com\/products\/radiator-coolant-water-hose-pipe-kit-7-hoses-fit-for-bmw-128i-2008-2013-fit-for-bmw-328i-convertible-2012-2013-17127564480-11537516414-11537545665","provider":"Easy Life Auto Parts","version":"1.0","type":"link"}