{"title":"M47 Downpipe","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eLet the Diesel Four Pull Harder\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDiesel engines live and die by how freely they can move air, and the standard exhaust on the M47 pinches that flow right where it starts, just after the turbo. An M47 downpipe opens up that first, most restrictive section, letting exhaust gas escape faster and the turbo build boost sooner. On a torque-led diesel four, the reward is not a screaming top end but a stronger, more willing shove low down, exactly where this engine does its best work. It sits at the front of the system, so it pairs naturally with the rest of an M47 exhaust.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eDiesel Power Is About Torque\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIt helps to set expectations the diesel way. Where a petrol engine chases revs and noise, a BMW M47 downpipe is about accessible, everyday pull. Freeing the exhaust lets the engine make its torque more easily and hold it further up the range, which shows as stronger acceleration in gear, easier overtakes, and a more relaxed feel when the car is loaded or towing. It is a change you use constantly, not only when you are pressing on. That everyday usefulness is what makes it such a popular first step on these cars: the extra mid-range makes daily driving less busy, with fewer downshifts needed to keep up with traffic or climb a long hill.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eFreeing the Flow Down Low\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA diesel turbo is sensitive to backpressure, so cutting it pays off quickly. With the restriction eased, the downpipe M47 owners fit helps the turbo spool sooner, and the engine breathe out cleanly under load. Paired with a diesel remap, which is how most owners unlock the full benefit, it turns a sensible economy car into a noticeably torquier one, often with little cost to fuel economy when the car is driven gently. For many owners, that combination, more usable pull without a heavy penalty at the pump, is the whole appeal of working on a diesel in the first place, and the downpipe is where it begins.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eThe DPF and Emissions Question\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDiesels come with strings attached, and honesty matters here. Later M47 cars may carry a diesel particulate filter and other emissions equipment that must stay in place and working for road use; removing it is illegal in many regions and will fail an inspection. A high-flow or sport-cat style downpipe that keeps the car compliant is the sensible route for anything used on the road, so always check what your specific car is fitted with, and what your local rules require, before you buy.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhere It Fits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe M47 powered a broad slice of BMW's diesel range, so confirm your exact model and year before ordering. It appears in cars such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCompact saloons like the 318d and 320d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLarger saloons and tourings like the 520d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDiesel SUVs such as the early X3 2.0d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBecause the downpipe BMW M47 buyers need varies with the body and specification, a listing that names the exact car and year is always the one to trust.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb id=\"docs-internal-guid-0fd27be8-7fff-fadf-baab-3e12291b53db\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e","products":[{"product_id":"2-5-exhaust-decat-pipe-bmw-3-series-e46-320d-m47-98-06","title":"2.5″ Exhaust Decat Pipe – BMW 3 Series E46 320D M47 98-06","description":"\u003cp dir=\"ltr\"\u003eUn tubo decatalizzatore in acciaio inox a montaggio diretto per la E46 320d, che sostituisce la sezione catalitica restrittiva per migliorare il flusso dei gas di scarico e sfruttare al meglio il motore diesel M47.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eÈ realizzato in acciaio inox T304 con un diametro interno di 60 mm (2,5\") per tutta la lunghezza, per un flusso senza restrizioni; il giunto flessibile integrato assorbe i movimenti e riduce le sollecitazioni sullo scarico.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCaratteristiche principali\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eStruttura in acciaio inox T304\u003c\/li\u003e\n\u003cli\u003eDiametro interno di 60 mm (2,5\") per tutta la lunghezza, per un flusso ottimale\u003c\/li\u003e\n\u003cli\u003eGiunto flessibile integrato per ridurre le sollecitazioni sullo scarico\u003c\/li\u003e\n\u003cli\u003eDesign a flusso libero, adatto al motore M47 da 2,0 L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCompatibilità:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eBMW Serie 3 E46 320d, M47 (berlina, Touring, Coupé, Compact, station wagon e cabriolet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eDisponibile su richiesta.\u003cbr\u003eConsegna stimata nell’UE: 7–14 giorni lavorativi.\u003c\/p\u003e","brand":"TunePoint Europe","offers":[{"title":"Default Title","offer_id":58808598626648,"sku":null,"price":199.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/2440\/7128\/files\/GPEC006-01_jpg.jpg?v=1792142692"},{"product_id":"bmw-1-3-series-2-0d-decat-downpipe","title":"BMW 1 \u00263 Series 2.0D Decat downpipe","description":"\u003cp dir=\"ltr\"\u003eDownpipe in acciaio inox con montaggio diretto per 320d e 120d con motore M47, che sostituisce in un unico pezzo il catalizzatore primario e il downpipe di serie sulle auto uscite dalla fabbrica con catalizzatore anziché DPF. Se la tua auto aveva il DPF di serie, questo componente non è compatibile; se hai dubbi, contattaci prima.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIl miglioramento dipende tanto dalla geometria quanto dall’eliminazione del catalizzatore. Il componente di serie costringe i gas di scarico a passare attraverso una curva stretta e un catalizzatore restrittivo che accumula calore; questo lo sostituisce con una curva fluida che fa salire prima di giri il turbo e riduce il calore nel vano motore. Temperature più basse del turbo si traducono direttamente in temperature di aspirazione inferiori, con una combustione più pulita e margine per una rimappatura più potente, utilizzabile in sicurezza mantenendo il turbo fresco. Il risultato è una risposta più pronta e meno ritardo su tutto l’arco di giri e, in genere, un risparmio di circa 2 mpg, a seconda dello stile di guida.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eÈ costruito per durare più dell’auto: acciaio inox 316 di grado marino per le tubazioni e acciaio inox 304 per il giunto flessibile. Sviluppato a partire dal componente BMW originale e ottimizzato per il flusso dei gas dove possibile. L’unica differenza che sentirai è un lieve fischio del turbo dovuto al lato di aspirazione meno restrittivo; il suono dello scarico resta invariato.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePerché ne vale la pena\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eMinore ritardo del turbo e risposta più vigorosa su tutto l’arco di giri\u003c\/li\u003e\n\u003cli\u003eTemperature di aspirazione inferiori per una combustione più pulita e una rimappatura ad alta potenza più sicura\u003c\/li\u003e\n\u003cli\u003eRisparmio di circa 2 mpg, a seconda dello stile di guida\u003c\/li\u003e\n\u003cli\u003eTubazioni in acciaio inox 316 di grado marino, giunto flessibile in acciaio inox 304\u003c\/li\u003e\n\u003cli\u003eRealizzato sulla base del componente BMW originale, con flusso ottimizzato\u003c\/li\u003e\n\u003cli\u003eGaranzia a vita sulle tubazioni, garanzia di 2 anni sul tratto flessibile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCompatibilità:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eBMW 320d e 120d, M47 150\/163 CV, solo modelli con catalizzatore (non DPF)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eDisponibile su richiesta.\u003cbr\u003eConsegna UE prevista: 7–14 giorni lavorativi.\u003c\/p\u003e","brand":"TunePoint Europe","offers":[{"title":"Default Title","offer_id":58808634245464,"sku":null,"price":252.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/2440\/7128\/files\/photo6__44591.jpg?v=1792143566"}],"url":"https:\/\/tunepoint.eu\/it\/collections\/m47-downpipe.oembed","provider":"TunePoint Europe","version":"1.0","type":"link"}