{"product_id":"milltek-hjs-tuning-ece-downpipes-bmw-4-series-f32-f33-m440i-coupe-grand-coupe-xdrive-or-non-xdrive-17-19","title":"Milltek HJS Tuning ECE Downpipes BMW 4 Series F32 F33 M440i Coupe Grand Coupe xDrive or Non-xDrive 17-19","description":"\u003ch2\u003eMilltek HJS Tuning ECE Downpipes for BMW 1 Series M140i 3 \u0026amp; 5 Door (F20 \u0026amp; F21 LCI, Non-OPF) (2015-2018) – Improved Flow, Sports Catalyst\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's HJS Tuning ECE downpipe set for the BMW 4 Series F32 \u0026amp; F33 M440i Coupe \u0026amp; Grand Coupe (xDrive \u0026amp; non xDrive Models). These replace the factory downpipes with HJS high-flow sports catalysts that carry full ECE type-approval, so you get a genuine flow improvement over the restrictive factory units without taking the car outside emissions compliance.\u003c\/p\u003e\n\u003cp\u003eThey're aimed at drivers who want more from the downpipes than the standard units allow, but need the car to stay legally usable on the road and pass an emissions test, which a straight de-cat pipe won't do.\u003c\/p\u003e\n\u003cp\u003eBecause they're type-approved, these can be run on a car that's used on the road, unlike a straight de-cat pipe.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e HJS Tuning ECE Downpipes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 80mm (3.15\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Approved:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Time:\u003c\/strong\u003e approx. 2 to 2.5 hours (Milltek figure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow\u003c\/li\u003e\n\u003cli\u003e80mm (3.15\") pipework\u003c\/li\u003e\n\u003cli\u003eHigh-flow sports catalyst flows better than the dense factory unit while still treating exhaust gases\u003c\/li\u003e\n\u003cli\u003eEC approved\u003c\/li\u003e\n\u003cli\u003eDesigned, developed and manufactured in the UK by Milltek Sport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 1 Series M140i 3 \u0026amp; 5 Door (F20 \u0026amp; F21 LCI, Non-OPF) (2015-2018)\u003c\/li\u003e\n\u003cli\u003eBMW 2 Series M240i Coupe (F22 LCI, Non-OPF \u0026amp; Non-xDrive) (2015-2018)\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series F30 \u0026amp; F31 M340i Saloon \u0026amp; Touring (LCI models, xDrive \u0026amp; non xDrive Models) (2017-2019)\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series F32 \u0026amp; F33 M440i Coupe \u0026amp; Grand Coupe (xDrive \u0026amp; non xDrive Models) (2017-2019)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the BMW 1 Series 114i, 118i \u0026amp; 120i (F20 \u0026amp; F21 - N13 Engine Only), which needs the \u003ca href=\"\/products\/milltek-hjs-tuning-ece-downpipes-bmw-1-series-114i-118i-120i-f20-f21-n13-12-15\"\u003eMilltek HJS Tuning ECE Downpipes BMW 1 Series 114i, 118i 120i F20 F21 N13 12-15\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes a fitting time of approx. 2 to 2.5 hours. This work involves removing parts close to the turbo and engine, so we recommend fitting by a specialist with a ramp and suitable software support.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-cat-back-exhaust-bmw-1-series-m140i-3dr-5dr-f20-f21-lci-non-opf-15-18\"\u003eMilltek Cat-back Exhaust BMW 1 Series M140i 3dr \u0026amp; 5dr F20 \u0026amp; F21 LCI, Non-OPF 15-18\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWill it fit the BMW 2 Series M240i Coupe (F22 LCI, Non-OPF \u0026amp; Non-xDrive)?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek lists this part for the BMW 2 Series M240i Coupe (F22 LCI, Non-OPF \u0026amp; Non-xDrive) as well as the other models in the fitment list above.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the BMW 1 Series 114i, 118i \u0026amp; 120i (F20 \u0026amp; F21 - N13 Engine Only)?\u003c\/h3\u003e\n\u003cp\u003eNo. For that car, choose the \u003ca href=\"\/products\/milltek-hjs-tuning-ece-downpipes-bmw-1-series-114i-118i-120i-f20-f21-n13-12-15\"\u003eMilltek HJS Tuning ECE Downpipes BMW 1 Series 114i, 118i 120i F20 F21 N13 12-15\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eEvery version of this part is listed by Milltek as EC approved.\u003c\/p\u003e\n\u003ch3\u003eDo I need a remap?\u003c\/h3\u003e\n\u003cp\u003eA suitable remap is strongly recommended, as the engine management needs to account for the change in flow and sensor readings. Speak to your tuner before fitting.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with my standard exhaust?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek lists it for use with the factory (OE) exhaust system.\u003c\/p\u003e\n\u003ch3\u003eHow is a sports cat different from a de-cat?\u003c\/h3\u003e\n\u003cp\u003eA sports cat still contains a catalyst, just a less dense one that flows better than the factory unit. A de-cat removes the catalyst completely.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to fit?\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes approx. 2 to 2.5 hours.\u003c\/p\u003e\n\u003ch3\u003eWhat is it made from?\u003c\/h3\u003e\n\u003cp\u003eT304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":56392773075329,"sku":"MIL-SSXBM1039","price":1765.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXBM1039_1_76c2d93d-f850-42c7-b3fd-8a9960eb4319.jpg?v=1791892279","url":"https:\/\/milltekexhaustshop.com\/products\/milltek-hjs-tuning-ece-downpipes-bmw-4-series-f32-f33-m440i-coupe-grand-coupe-xdrive-or-non-xdrive-17-19","provider":"Milltek Exhaust Shop","version":"1.0","type":"link"}