{"title":"BMW M47 Tuning parts","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eThe diesel that made the 320d a cult car\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe M47 is BMW’s 2.0-liter inline four-cylinder turbodiesel, built from 1998 to 2007 with common rail injection and a variable geometry turbo. It gave the E46 and E90 320d, the E87 118d and 120d, the E60 520d and the first X3 2.0d their familiar mix of strong low-end torque and genuine economy. Owners chasing a sharper, more responsive car usually start with BMW M47 engine parts that unclog the stock exhaust and let the turbo work without fighting back pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eA workhorse across the whole range\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFew BMW engines spread as widely as this one. In its various states of tune, it powered saloons, touring estates, compact hatchbacks and a small SUV, from modest 136 PS versions up to the stronger 163 PS 320d and 120d. That breadth is why the platform still has such a healthy parts and upgrade scene two decades on, and why a change proven on one model usually carries cleanly across to the rest. It also means donor cars and spares are easy to find, which keeps running costs low and makes the engine a sensible base for a budget project rather than a gamble.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhy exhaust flow matters on a turbodiesel\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA variable geometry diesel turbo lives and dies by how freely it can push spent gas away. The factory catalytic converter and restrictive downpipe add back pressure that blunts spool and caps mid-range pull, exactly where a diesel is meant to feel strong. A decat downpipe, like the E46 320d and the 1 and 3 Series 2.0D pieces offered here, widens that path so boost arrives sooner and cleaner. In practical BMW M47 tuning, this one change often does more for drivability than a bigger headline figure, because it releases the torque the engine already makes. Fitment and local emissions rules should always be checked, since removing a cat is normally intended for off-road or track use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eOutputs across the M47 family\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKnowing your exact variant helps when matching parts and expectations. The engine came in several outputs over its life, and the figures below cover the common 2.0 liter versions found across the range. Treat them as factory guides, since age and condition shift real-world numbers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"188\"\u003e\n\u003ccol width=\"108\"\u003e\n\u003ccol width=\"139\"\u003e\n\u003ccol width=\"147\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYears\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOutput\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eTorque\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eE46 320d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e1998-2001\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 136 PS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 280 Nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eE46 320d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e2001-2005\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 150 PS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 330 Nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eE90 320d, E60 520d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e2005-2007\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 163 PS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 340 Nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eE87 118d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e2004-2007\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 122 PS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 280 Nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eE83 X3 2.0d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e2006-2007\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 150 PS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003earound 330 Nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eLiving with the engine’s known weak points\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNo sensible build ignores the M47’s two documented trouble spots, and dealing with them first stops a power project from turning into an expensive repair:\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\u003eSwirl flaps: the intake butterflies can shed their retaining screws, and a loose screw drawn into a cylinder can wreck the piston, head and turbo. The common fix is a delete kit with blanking plates.\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\u003eTiming chain: the chain and guides wear with mileage, and a failure means a destroyed engine, so inspection and timely replacement are cheap insurance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSorted on that foundation, careful BMW M47 engine tuning gives this old diesel a keener throttle and a stronger mid-range while keeping the long-distance economy that made it a favourite in the first place. Paired with a healthy turbo and a clean intake, a freer exhaust and a measured remap are usually all it takes to make the car feel a class quicker without stressing the hardware\u003c\/span\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\"\u003eA direct-fit stainless steel decat pipe for the E46 320d, replacing the restrictive catalytic section to free up exhaust flow and get more out of the M47 diesel.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIt is made from T304 grade stainless steel with a full 60mm (2.5\") bore all the way through for unrestricted flow, and a built-in flexi joint helps absorb movement and reduce strain on the exhaust.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey points\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eT304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003e60mm (2.5\") bore throughout for optimum flow\u003c\/li\u003e\n\u003cli\u003eBuilt-in flexi joint to reduce exhaust strain\u003c\/li\u003e\n\u003cli\u003eFree-flowing design to suit the 2.0L M47 engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eBMW 3 Series E46 320d, M47 (Saloon, Touring, Coupé, Compact, Estate and Convertible)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eAvailable on request.\u003cbr\u003eEstimated EU delivery: 7–14 business days.\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\"\u003eA direct-fit stainless steel downpipe for the M47-powered 320d and 120d, replacing the factory primary cat and downpipe in one piece on cars that left the factory with a catalytic converter rather than a DPF. If yours had a DPF from new, this one will not fit, so check with us first if you are not certain.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe gain comes from geometry as much as decatting. The standard part forces the exhaust through a sharp bend into a restrictive, heat-soaked cat; this swaps that for a smooth bend that spools the turbo sooner and keeps heat out of the engine bay. Cooler turbo temperatures carry straight through to lower intake temperatures, which means a cleaner burn and headroom for a higher-power remap that can be run safely while the turbo stays cool. The result is sharper response with less lag right across the rev range, and typically around 2 mpg better economy depending on how you drive.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIt is built to outlast the car: 316 marine-grade stainless for the pipework and 304-grade for the flexible coupling, developed off the genuine BMW item and then opened up on flow where possible. The only change you will hear is a faint turbo whistle from the de-restricted intake side, the exhaust note itself stays the same.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy it is worth it\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eLess turbo lag and stronger response through the whole rev range\u003c\/li\u003e\n\u003cli\u003eLower intake temps for a cleaner burn and a safer high-power remap\u003c\/li\u003e\n\u003cli\u003eAround 2 mpg economy improvement, driving style depending\u003c\/li\u003e\n\u003cli\u003e316 marine-grade stainless pipework, 304 stainless flexi coupling\u003c\/li\u003e\n\u003cli\u003eShaped from the genuine BMW part, improved on flow\u003c\/li\u003e\n\u003cli\u003eLifetime guarantee on the pipework, 2-year warranty on the flexi section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eBMW 320d and 120d, M47 150\/163hp, cat models only (not DPF)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eAvailable on request.\u003cbr\u003eEstimated EU delivery: 7–14 business days.\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\/collections\/bmw-m47-tuning-parts.oembed","provider":"TunePoint Europe","version":"1.0","type":"link"}