{"product_id":"xenon-headlight-control-unit-ballast-89035113-3d0907391b-for-bmw-1-series-e81-e87-for-audi-a4-s4-citroen-c4-c5","title":"Xenon Headlight Ballast D1S For BMW Audi Citroen VW E81 A4","description":"\u003cdiv\u003e\n\u003cp\u003eRestore reliable illumination with this direct-replacement D1S Xenon Headlight Ballast engineered for modern European and North American vehicles. When headlights flicker, delay ignition, or stop functioning, this unit delivers stable, high-voltage arc control that matches factory circuit behavior. Designed to exact O.E.M. tolerances, it mounts directly behind the headlamp housing without wiring splices or adapters, returning crisp beam patterns and consistent wattage delivery. Broad platform compatibility covers the BMW 1 Series E81\/E87, Audi A4\/S4 B6 generation, Volkswagen Passat B6, plus select Citroën, Seat, Opel\/Vauxhall, Volvo, and Chrysler models, making it a drop-in solution for aging xenon lighting systems.\u003c\/p\u003e \u003ch2\u003eBenefits \u0026amp; Installation Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision-matched electrical profile prevents error codes and dashboard warnings during operation.\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on swapping reduces diagnostic time compared to aftermarket universal units.\u003c\/li\u003e\n\u003cli\u003eStore one backup alongside your emergency kit, as sudden ballast degradation often occurs during seasonal temperature drops.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eSocket Configuration: D1S | Brand: Malcayang | Validation Standard: 100% factory tested prior to shipping | Reference Codes: 3D0907391B, 8E0907391A, 5139061AA | Application Range: Multi-vehicle xenon retrofit and replacement\u003c\/p\u003e \u003ch2\u003ePackage Includes:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne (1) D1S Xenon Headlight Ballast\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFitter Verification Notice\u003c\/h2\u003e\n\u003cp\u003eAlways confirm your existing harness pin configuration before purchase. Certain Jaguar XJ\/XJR and Cadillac SRX\/CTS variants require a specific 4-pin power connector layout. Incorrect pin counts will prevent electrical engagement. Cross-reference your original part number or submit clear connector photographs to our support team before finalizing your order.\u003c\/p\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e \u003cp\u003eServing automotive enthusiasts and professional garages with verified parts and dependable support since 2002 at intercyprus.com.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":55439904440662,"sku":"1005009032916646-Default Title","price":44.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/S0b24d08bf0b7489cab53ed24f4aebb97o.webp?v=1789926153","url":"https:\/\/www.intercyprus.com\/products\/xenon-headlight-control-unit-ballast-89035113-3d0907391b-for-bmw-1-series-e81-e87-for-audi-a4-s4-citroen-c4-c5","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}