{"product_id":"rein-trp0391-turbocharger-oil-return-line","title":"Rein TRP0391 Turbocharger Oil Return Line","description":"\u003ch2\u003eTurbo Oil Return Line for BMW Applications\u003c\/h2\u003e\u003cp\u003eRein TRP0391 is a standard replacement turbocharger oil return line built for specific BMW applications. It uses premium OE-quality hose material to handle the heat, oil, and ozone exposure common in turbo cooling systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit turbocharger oil return line for confirmed BMW applications.\u003c\/li\u003e\n\u003cli\u003ePremium OE-quality hose material for demanding turbo system service.\u003c\/li\u003e\n\u003cli\u003eResists heat, oil, and ozone-related deterioration.\u003c\/li\u003e\n\u003cli\u003eStandard replacement design for restoring proper oil return routing.\u003c\/li\u003e\n\u003cli\u003ePart number TRP0391 for easy identification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eRein TRP0391 is engineered as a direct-fit style turbocharger oil return line for a wide range of BMW turbocharged models, including 340i, 540i, X3, X5, X7, and related 40i and M40i applications. It is built to replace a worn or damaged oil return pipe with a hose material selected for OE-level durability in high-temperature turbo environments. This part cross-references BMW OE numbers 11427643176 and 11428679020 for the same application. If you are servicing a BMW 840i, M240i, or M340i platform, TRP0391 provides a specific-fit solution that matches the intended oil return function.\u003c\/p\u003e\u003ch2\u003eCommon Issues It May Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOil seepage from a deteriorated turbo return line.\u003c\/li\u003e\n\u003cli\u003eHeat-related cracking or hardening of the hose material.\u003c\/li\u003e\n\u003cli\u003eOzone exposure that weakens the line over time.\u003c\/li\u003e\n\u003cli\u003eRestricted or compromised oil return routing in turbo service.\u003c\/li\u003e\n\u003cli\u003eReplacement needs after inspection reveals visible wear or damage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle application against the fitment list before installation. Inspect surrounding turbo oil system components for wear, contamination, or damage before replacing the line. Confirm that the routing matches the original configuration for the specific BMW model and year.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRein manufactures this turbo oil return pipe with OE-quality hose material and standard replacement construction for consistent service in turbo cooling systems.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":53526587670709,"sku":"DFBS-TRP0391","price":72.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_TRP0391_FRO.jpg?v=1792044091","url":"https:\/\/www.partcatalog.com\/products\/rein-trp0391-turbocharger-oil-return-line","provider":"PartCatalog","version":"1.0","type":"link"}