{"product_id":"genuine-bmw-e60-e82-e89-e90-crankcase-vent-hose-inc-135i-1m-335i-z4-35i","title":"Genuine BMW N54 PCV\/CCV Crankcase Vent Hose - Valve Cover Breather Pipe \/ Rocker Cover Vent Tube - Oil Separator Vapor Line \/ Blow-by Return Hose - E60 E61 E82 E88 E89 E90 E91 E92 E93 - 135i 1M 335i 335xi 335is 535i 535xi Z4 35i 35is - OEM 11157553949","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003cdiv\u003e\n    \n    \u003ch2\u003eRestore leak‑free crankcase control on your N54\u003c\/h2\u003e\n    \u003cp\u003e\n      Keep your twin‑turbo straight‑six breathing properly with this Genuine BMW breather line for the N54 engine, part number \u003cstrong\u003e11157553949\u003c\/strong\u003e. This factory vapour hose links the cam cover to the intake system to manage blow‑by gases, helping prevent vacuum leaks, oil odour in the cabin, uneven idle and lost performance on 35i models.\n    \u003c\/p\u003e\n    \u003cp\u003e\n      We have installed this hose on customer cars and our own builds at MJ Modifications with excellent results. Owners report smoother running, stable fuel trims and the reassurance of an airtight ventilation system using an OEM BMW component.\n    \u003c\/p\u003e\n\n    \u003ch3\u003eWhy this OEM breather line is the smart choice\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003eGenuine BMW part for perfect fit and longevity\u003c\/li\u003e\n      \u003cli\u003eDirect replacement vapour return tube for N54 turbo applications\u003c\/li\u003e\n      \u003cli\u003eAddresses common issues from brittle plastic elbows and cracked hoses\u003c\/li\u003e\n      \u003cli\u003eHelps eliminate oil smell, hesitation and hunting idle caused by leaks\u003c\/li\u003e\n      \u003cli\u003eBuilt to withstand heat, boost and under‑bonnet vibration\u003c\/li\u003e\n      \u003cli\u003eIdeal preventative maintenance on ageing N54s and tuned cars\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003ePart number\u003c\/h3\u003e\n    \u003cp\u003e\n      \u003cstrong\u003e11157553949\u003c\/strong\u003e (also seen as 11 15 7 553 949)\n    \u003c\/p\u003e\n\n    \u003ch3\u003eVehicle applications\u003c\/h3\u003e\n    \u003cdiv class=\"compatibility-accordion-wrapper\"\u003e\n      \u003cdiv class=\"compatibility-tab\"\u003e\n        \u003ch4\u003e1 Series\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eE82 Coupe: 135i, 1M\u003c\/li\u003e\n          \u003cli\u003eE88 Convertible: 135i\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"compatibility-tab\"\u003e\n        \u003ch4\u003e3 Series\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eE90 Saloon: 335i, 335xi\u003c\/li\u003e\n          \u003cli\u003eE91 Touring: 335i, 335xi\u003c\/li\u003e\n          \u003cli\u003eE92 Coupe: 335i, 335xi, 335is\u003c\/li\u003e\n          \u003cli\u003eE93 Convertible: 335i, 335is\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"compatibility-tab\"\u003e\n        \u003ch4\u003e5 Series\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eE60 Saloon: 535i, 535xi\u003c\/li\u003e\n          \u003cli\u003eE61 Touring: 535xi\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"compatibility-tab\"\u003e\n        \u003ch4\u003eZ Series\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eE89 Z4: sDrive35i, sDrive35is\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003ch3\u003ePre‑dispatch fitment check\u003c\/h3\u003e\n    \u003cp\u003e\n      We confirm compatibility before shipping. Add your UK registration or the last 7 of your VIN at checkout so we can verify this OEM vent tube suits your vehicle.\n    \u003c\/p\u003e\n\n    \u003ch3\u003eInstallation\u003c\/h3\u003e\n    \u003cp\u003e\n      Professional fitting recommended. MJ Modifications, based in Warwickshire, can install this part for you. Request a quote at \n      \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n    \u003c\/p\u003e\n\n    \u003ch3\u003eWarranty\u003c\/h3\u003e\n    \u003cp\u003e\n      Two years manufacturer warranty for UK customers and one year for international customers when a compatible VIN is supplied at checkout.\n    \u003c\/p\u003e\n\n    \u003ch3\u003eHelpful notes\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003eGreat time to inspect the valve cover grommets, PCV valve and intake connections\u003c\/li\u003e\n      \u003cli\u003eReplacing aged ventilation lines can remove small boost and vacuum leaks\u003c\/li\u003e\n      \u003cli\u003eRecommended on higher‑mileage 35i engines and remapped cars\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003ePopular search terms\u003c\/h3\u003e\n    \u003cp\u003e\n      N54 breather pipe, valve cover vent tube, rocker cover ventilation line, oil separator hose, blow‑by return pipe, crankcase vapour hose, BMW 135i vent pipe, E82 135i ventilation tube, E88 135i breather line, E90 335i breather hose, E92 335is vent tube, 335xi ventilation pipe, E60 535i engine breather line, E61 535xi vapour return, E89 Z4 35is vent pipe, 1M Coupe ventilation hose, N54 vacuum leak fix, oil smell in cabin fix BMW, rough idle N54 hose, OEM PN 11157553949 replacement.\n    \u003c\/p\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":55975899070850,"sku":null,"price":36.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/GenuineBMWE60E82E89E90CrankcaseVentHose_Inc.135i_1M_335i_Z435i_-1_1946x_a3b80b2f-9d87-42c4-9790-ed6b9ec3890d.jpg?v=1763323158","url":"https:\/\/mjmodifications.co.uk\/products\/genuine-bmw-e60-e82-e89-e90-crankcase-vent-hose-inc-135i-1m-335i-z4-35i","provider":"MJ Modifications","version":"1.0","type":"link"}