{"product_id":"apr-gen-5-haldex-upgraded-pressure-relief-valve-spring-stage-2","title":"APR Gen 5 Haldex Upgraded Pressure Relief Valve Spring - Stage 2","description":"\u003cp\u003eAPR Gen 5 Haldex Upgraded Pressure Relief Valve Spring - Stage 2\u003c\/p\u003e\n\u003cp\u003eThe APR Stage 2 Spring Upgrade for Haldex is the hardware component that unlocks the full potential of APR’s AWD controller calibration for Gen 5 Haldex. Engineered as a direct replacement for the factory clutch pressure relief spring, this precision-calibrated upgrade enables significantly higher achievable clamping pressures under increased torque demand while maintaining OEM-level drivability and system integrity. When paired with APR Stage 2 software for Haldex, the upgraded spring supports dramatically increased clutch pressure during high-load conditions, improving torque transfer to the rear axle and delivering faster, more consistent AWD engagement during aggressive launches and performance driving. The result is improved traction, stronger launches, and enhanced confidence when putting power to the pavement. Unlike spring-only solutions that require disassembling and modifying the factory valve assembly, the APR Stage 2 hardware is engineered as a simple, direct replacement component minimizing installation complexity while preserving factory safeguards and control architecture. Designed to work seamlessly within the OEM Haldex control strategy, the APR Stage 2 Spring Upgrade completes a fully integrated drivetrain performance solution allowing increased torque capability without compromising daily drivability or long-term reliability.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2012–2013 Audi A3 Quattro Base\u003c\/li\u003e\n\u003cli\u003e2012–2013 Volkswagen Golf R Base\u003c\/li\u003e\n\u003cli\u003e2014–2019 Audi TTS Quattro Base\u003c\/li\u003e\n\u003cli\u003e2015 Volkswagen Passat Limited Edition\u003c\/li\u003e\n\u003cli\u003e2015 Volkswagen Passat Sport\u003c\/li\u003e\n\u003cli\u003e2015 Volkswagen Passat TDI SE\u003c\/li\u003e\n\u003cli\u003e2015 Volkswagen Passat TDI SEL Premium\u003c\/li\u003e\n\u003cli\u003e2015 Volkswagen Passat Wolfsburg Edition\u003c\/li\u003e\n\u003cli\u003e2015–2016 Volkswagen Tiguan R-Line\u003c\/li\u003e\n\u003cli\u003e2015–2016 Volkswagen Tiguan S\u003c\/li\u003e\n\u003cli\u003e2015–2016 Volkswagen Tiguan SE\u003c\/li\u003e\n\u003cli\u003e2015–2016 Volkswagen Tiguan SEL\u003c\/li\u003e\n\u003cli\u003e2015–2018 Volkswagen Passat S\u003c\/li\u003e\n\u003cli\u003e2015–2018 Volkswagen Passat SE\u003c\/li\u003e\n\u003cli\u003e2015–2018 Volkswagen Passat SEL Premium\u003c\/li\u003e\n\u003cli\u003e2015–2019 Audi A3 Quattro Premium\u003c\/li\u003e\n\u003cli\u003e2015–2019 Audi A3 Quattro Premium Plus\u003c\/li\u003e\n\u003cli\u003e2015–2019 Audi A3 Quattro Prestige\u003c\/li\u003e\n\u003cli\u003e2015–2019 Audi S3 Premium Plus\u003c\/li\u003e\n\u003cli\u003e2015–2019 Audi S3 Prestige\u003c\/li\u003e\n\u003cli\u003e2015–2019 Volkswagen Golf R Base\u003c\/li\u003e\n\u003cli\u003e2016 Volkswagen Passat SEL\u003c\/li\u003e\n\u003cli\u003e2016–2018 Volkswagen Passat R-Line\u003c\/li\u003e\n\u003cli\u003e2017–2019 Audi RS3 Base\u003c\/li\u003e\n\u003cli\u003e2018 Volkswagen Passat GT\u003c\/li\u003e\n\u003cli\u003e2019 Volkswagen Arteon SE\u003c\/li\u003e\n\u003cli\u003e2019 Volkswagen Arteon SE R-Line\u003c\/li\u003e\n\u003cli\u003e2019 Volkswagen Arteon SEL\u003c\/li\u003e\n\u003cli\u003e2019 Volkswagen Arteon SEL Premium\u003c\/li\u003e\n\u003cli\u003e2019 Volkswagen Arteon SEL Premium R-Line\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e…and 3 more applications.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cdl\u003e\n\u003cdt\u003eManufacturer part number\u003c\/dt\u003e\n\u003cdd\u003eMS100267\u003c\/dd\u003e\n\u003cdt\u003eUPC\u003c\/dt\u003e\n\u003cdd\u003e810215392124\u003c\/dd\u003e\n\u003cdt\u003eShipping weight \u0026amp; size\u003c\/dt\u003e\n\u003cdd\u003e1.00 lb, 14 × 9 × 1 in\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/33c61ba4393943d14afc16b1ea8b9152.PDF\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eNotices\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eSpecial order item — ships direct from the manufacturer; extended lead times may apply.\u003c\/li\u003e\u003c\/ul\u003e","brand":"APR","offers":[{"title":"Default Title","offer_id":47391166890172,"sku":"MS100267","price":144.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8766\/5852\/files\/acd57c5804a735ab4c3b41167d2dbc29L.jpg?v=1788280734","url":"https:\/\/bpfauto.com\/products\/apr-gen-5-haldex-upgraded-pressure-relief-valve-spring-stage-2","provider":"Andrewtech Automotive","version":"1.0","type":"link"}