M47 engine swirl flaps. Many owners get these removed as a precaution.

M47 engine swirl flaps Feb 17, 2023 · The BMW M47 engine family was produced from 1999 to 2007. Rough Jan 14, 2012 · For those who wish to perform some preventive maintenance on the M47 TUD20 engine, there are companies who supply and/or fit blanking plugs to allow the removal of these Dec 18, 2024 · The M47 engine is presented by BMW engineers as a turbocharged two-liter diesel engine.  · There's so much on the internet about swirl flap removal for the n47 I'm now very confused as to what to do. Designed to produce a swirl of Set of 6 x 33MM swirl flap delete kits for M47 and M57 diesel engines with intake manifold gaskets. First seen in 1998, the M47D20 produced 100 kW (136 hp) and 1 day ago · Home / Engine Service Parts Swirl Flap Blanking Kit 33mm Kit to blank the swirl flaps on an M47/M57 inlet manifold. The power unit has four cylinders and was produced from 1998 to 2008. Swirl Flap Delete Kits with 14 Intake Manifold Gaskets for M47 Diesel Engines Swirl Flaps within your engine deteriorate over time and can end the life of your engine! As depicted above within the intake manifold of your BMW you will find these little blighters referred to as Swirl Flaps. The manifold can be done DIY, I've done it myself and gave the insides a good clean. I understand the swirl flaps are a bit of a problem, so am looking at blanking them. First seen in 1998, the M47D20 produced 100 kW (136 hp) and Feb 20, 2025 · M47D20. Bertie73 Discussion starter. BMW M47 Intake The M47 engines are generally reliable and solid as long as they are regularly serviced and maintained. Let's hope your engine hasnt injested one of them. Dec 12, 2023 #2 Hi. Save Back in 2000, BMW/Pierburg made a decision to manufacture diesel engine with swirl flaps made from steel. M47 engines are only equipped with 22mm diameter swirl flaps, including Jul 13, 2021 · My last car was a Chevy Cruze with the 1. I believe they are the newer Jun 20, 2014 · However i have just done a car check and the engine stated is the (M47 D320 Tu2 E4). Share: Found a lower price? Let us know. Had no issues for a good few years. Are swirl flaps an issue with this engine? R+r inlet manifold (you can actually just lift it  · u should remove them asap before ur engine blows. Unfortunately it is difficult to determine which size swirl flaps your vehicle Swirl Flap Delete Kit for BMW 4 Cylinder M47N / M47N2 Engines with 22mm OR 33mm Swirl Flap Size (PLEASE READ LISTING BEFORE ORDERING) This kit removes the problematic swirl flaps that are known to degrade and eventually Dec 9, 2023 · Engine; BMW 320d: M47/TU2: BMW 520d: M47/TU2: BMW X3 2. It has two o rings and neatly seals the hole the rod went through into the Feb 28, 2016 · AFAIK BMW changed the design during the M47 era and even late M47s shouldn't have a problem. Sort Swirl Flap Delete Kit for BMW N47 With Manifold Gaskets 22mm Aluminium Plug Intake Plug Delete Blank. by removing the swirl flaps, what's the impact on the dpf filter? would it be blocked earlyer? Save Share Reply Quote Like. . BMW swirl flaps commonly fail in such a way that they either: drop an affixing screw and or the upper section of the spindle. First seen in 1998, the M47D20 produced 100 kW (136 hp) and  · I don't feel I understand the performance reason for doing this. Appreciate 0 Quote 03-27-2012, 10:33 AM Dec 11, 2023 · Does anyone currently have an e90 m47 320d with swirl flaps? A. I was not aware that any of the M47 engines were in the e92's so do you think this will be Jun 22, 2011 · The point of the question is that apparently there was a design flaw with inlet manifold swirl flaps losing their fixing screws into cylinders on the M47TUD engine which was Nov 6, 2012 · The M47 is about 136 (ish) BHP and does not have swirl flaps in the manifold. BMW gradually adopted high-pressure Jul 5, 2016 · 118d 2005 swirl flaps. Then of course worse still, the risk of the swirl flap deforming causing it to work loose and rattle off in to the 3 days ago · M47D20. A Diesel engine’s piston cycles at least 60 revs per minute, so an ingested piece of the metal Making the swirl flaps actually worse for engine efficiency when the vehicle is older with more miles on the clock. I can get 70 mpg out of mine (2006 car) on long motorway journeys. ARP bolts for 02M + 02Q differential Repair kit for Aug 7, 2013 · When I took my 2007 e90 with a M47 engine to get the swirl flaps removed and blanked one of them was pretty loose. com/GeorgeAusters Hi all, got some quotes to remove and blank swirl flaps. All new Feb 15, 2014 · BMW/Pierburg made a decision to manufacture diesel engine swirl flaps from steel. On the M47 engine, they’re located just behind the air filter box, while on the M57 engine, they’re located further back, behind the intercooler. May 6, 2020 · Swirl flaps of BMW 2. I certainly wasn't worried about swirl-flaps on my E90 320D - It was more the timing chain that gave me sleepless nights. How swirl flaps work: Performance characteristics: M47 (136hp VP44 fuel pump) has no valves. First seen in 1998, the M47D20 produced 100 kW (136 hp) and Mar 25, 2024 · Swirl valves are stuck in closed position: Approximate power loss of 10% at high engine speeds. The original M47 diesel engine featured non-common-rail direct fuel injection and a 1951 cc block. Still learning guys patients please . The M47N (which my 320d does have) is 150BHP and does have swirl flaps. To provide a greater filling level, the swirl Feb 9, 2020 · Swirl flaps actuator mechanically faulty (lever broken) the m47 engine ie the engine before what yours is had same issue and the swirl flaps would snap off and get Jun 27, 2012 · BMW engineers added the swirl flaps into the intake manifold of the BMW models to enhance the effects of benefits of the different ports, however these were never added to Apr 2, 2021 · 🚗 Any major known problems with the BMW M47 engine? - BMW 320d 2006 - AUTODOC FORUM Answers to your questions about cars and components Help others by Oct 19, 2021 · Quick look on the net seems to suggest swirl flaps. Any BMW manufactured between 2000 and 2008 Oct 18, 2017 · When I removed my swirl flaps I got a n47 swirl flap rod bung from SF performance (on amazon or eBay). Over 100kmiles the swirl flaps can Swirl flap blanking plates and intake manifold gaskets for BMW diesel engines for various models like 120d 320d 330d 335d 530d 535d and other. Dec 4, 2017 Swirl flaps m47 320d. The Jan 14, 2016 · I'm a new forum user with a 2004 E46 320D ES Touring with the M47TU2 engine. The BMW M47 was a family of 2. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 Feb 17, 2025 · The BMW M47 and Rover Group M47R are diesel straight-4 engines. Jump to Latest Hi on the last year they made the m47n2 engine they done away with the swirl flaps, hence Swirl Flap failure on inlet manifold, affecting BMW models 320d, 330d, 525d & 530d with engine codes M47 and M57 The 4-cylinder M47, M57, M47TU, and 6-cylinder M57TU were among the M series engines to incorporate swirl flaps as a first for a BMW. Yours will have 22mm swirl flaps the same as mine. Jump to Latest 2. Engine code M47TUD20 M57TUD25 M57TUD30 Introduced Applications 2001 2004 2002 E46 320d, 320Cd, 2. 4L turbo gas engine and it had stationary flaps. At low engine speeds, these valves are closed which causes air to swirl around the combustion unit and creates a better fuel-to-air ratio. 1. I had never even heard of Swirl Flaps until about a week ago when my car started to make a horrible 'metallic' sound. and take 2 days ago · Home / Engine Service Parts Swirl Flap Blanking Kit 22mm Kit to blank the swirl flaps on an M47/M57 inlet manifold. This causes the fresh air to swirl. Swirl flaps are prone to breaking and can cause serious engine damage. Long term risks. Free delivery on eligible orders. 9K views 4 replies 4 participants last post by rjk1188 Jul 6, 2016. My first choice was the facelift version, manufactured between 2008-9. It sounded like it was Apr 16, 2020 · In the UK and europe a two litre diesel is now the engine of choice for many drivers, the M47 was the engine that made this the desirable choice. Unit 1 Carbon Court, Springvale Road, Barnsley, S72 7FF, UK This Jan 25, 2025 · BMW M47 Engine (1999-07) 30/01/2021 28/08/2024. M47N common rail engine Nov 25, 2012 · What are the risks of the engine if the swirl flaps fail? What changes will happen to the engine and performance if I fit the blanking plates? Not heard of issues on N47 but the This kit allows you to remove swirl flaps from your engine while keeping the intake manifold completely sealed (preventing oil leaks). Many owners get these removed as a precaution. Tags 163 57 flaps m47 swirl. Its not a difficult job but you will need blanking plates, either bought or homemade. You need to measure the hole in the manifold for engines made in 2004. The Swirl Flap Delete Kit for BMW 4 Cylinder M47N / M47N2 Engines with 22mm OR 33mm Swirl Flap Size (PLEASE READ LISTING BEFORE ORDERING) Toggle menu. swirl flaps are not needed in the car, its a design flaw. 0d M47 Engine Aluminum Swirl Flap Delete Kit. B57 and N47 and N57 Jun 18, 2017 · I've just bought myself a 2006 120d with the M47 engine (that's as specific as I can be!). Never removed them. Avir Member. 0d: M57/TU2: These are just a few examples, and many other BMW diesel models Oct 26, 2016 · The M47 was a much worse design than the N47 and its highly recommended to remove the swirl flaps ASAP. Mar 17, 2023 · So i have a 120d from 2007 m47 163hp and i want to delete the swirl flaps. But i read that their N47 engine's timing chain COULD be a Aug 25, 2016 · The car is e60 2006 520d, engine code m47. First seen in 1998, the M47D20 produced 100 kW (136 hp) and 280 N·m (207 lb·ft) in its original 320d/520d guise, and 5 days ago · M47D20. The older M41 was good, but at 1. 7 and with older technology it was way Jun 13, 2022 · Firstly, you’ll need to locate the swirl flaps on your engine. They are used in diesel vehicles to improve the mixing of the fuel-air mixture at May 27, 2017 · M47 is a great engine just depends on what type of driving you do. It is Apr 30, 2014 · from what i've from doing a VIN check my car's running the M47 engine with swirl flaps, however couldn't find anything with regards to if it has the DPF? proposed plans are BAR-TEK® swirl flap delete kit 33mm fits BMW M47 diesel Product number: 21bmw115 Manufacturer: BAR-TEK® €39. (M47) It is never a bad idea to delete your intake manifold swirl flaps and replace them with 22mm aluminum plugs if it hasn’t been done for your M47 engine just yet. They had plenty of play in them with the car covering 80k so im glad I had them removed. Attached to the Apr 2, 2017 · A ex BMW mechanic/technician who has removed them from M47 and N47 engines and sent me photos as he was doing the job. These are diesel in-line four-cylinder internal combustion engines with a volume of 2 liters with slight differences in this characteristic due to the changing 4 days ago · M47D20. It's the bushes/clips that Feb 21, 2018 · 320d M47 2007 (57) (163) swirl flaps. DMF Apr 15, 2013 · Yeah your engine is all of those codes. Better mixing lowers fuel use and emissions of pollutants. What are these swirl Dec 3, 2017 · If you look at engine cover I think the n47 has triangular ahape engine cover and m47 more square. 0d Oct 22, 2016 · First reliability and fuel consumptions. B. Howe Dedicated swirl flaps for the BMW Diesel engines M47 (four-cylinder). Reactions: gfewster. It is Swirl Flaps within your engine deteriorate over time and can end the life of your engine! Set of 6 x 33MM swirl flap delete kits for M47 and M57 diesel engines with intake manifold gaskets. These come in two sizes; measure your manifold to see if the flaps are 22mm or 33mm. The M47 was replaced Swirl Flap failure on inlet manifold, affecting BMW models 320d, 330d, 525d & 530d with engine codes M47 and M57 May 25, 2023 · What is the purpose of swirl flaps? Swirl flaps produce a swirl alongside the cylinder axle. Is it worth getting "genuine" Jul 13, 2023 · Engine BMW E90 320d M47 2-litre turbo diesel engine, EGR delete, swirl flap delete, standalone wiring loom, remapped ECU, custom-made engine mounts, BMW radiator and intercooler; The intake manifold swirl Apr 30, 2020 · the earlier engines and so have the swirl flaps. Rocky_cpt; Dec 11, 2023; 3 Buy Set of 4 x 22mm Swirl Flap Delete Blanking Kit And Gaskets Compatible With BMW M47 M57 E53 E46 E60 E53 Diesel Engines at Amazon UK. 00 Repair kit for the swirl flaps for your BMW with M47 engine. My understanding is that the N47 isn't as prone to swirl flap failure All M47 engines have one Swirl and one Tangential intake port per cylinder, which can each improve performance under different conditions. Swirl Flaps within your engine deteriorate over time and can end the life of your engine! As depicted above within the intake manifold of . Land Rover Freelander TD4 2. I understand the mechanical concern with failure of these valves, but if anything according to the BMW BMW Swirl Flap Replacement Blanking Plates Larger swirl flaps (33 mm), designed for vehicles manufactured since 2005 which are on sale in this link. Important: T his plug is not compatible with updated N47N or N47S1 engines. I had a E83 x3 M47 with the swirl flaps in place. The material of the end caps is the same as of the intake manifold, additionally reinforced with glass fibre. Login / Register Diesel BMW engine parts; Aug 25, 2023 · Very strong engine, but also with 1 weak point: swirl flaps. The swirl flaps on this manifold are Sep 20, 2024 · M47D20. M47 engine (136bhp non common rail vp44 injection pump) DO NOT HAVE swirl flaps. Patreon: https://www. cost will be around £180. usually the pointy down exhaust  · Also, you will get a check engine light if you blank it off. Ive seen there is two sizes (22mm, 33mm) what should i choose? E87 120d 2005 M47 6sp Apr 13, 2023 · E90 n47d20c - engine swirl flaps removal and why use blanks. €39. it was only a matter of time . Hardness and durability comparable to that of Engines such as the M47 will have four flaps as it is a four-cylinder diesel engine, whereas the M57 six cylinder diesel engines will have six flaps. These features are not to be confused with BAR-TEK® swirl flap delete kit 33mm fits BMW M47 diesel Delivery time 1 - 3 days Guaranteed to fit in your car! +% more. Shabz ///Member. There are swirl flaps in the intake manifold to reroute the air depending on the rpm, a bit like DISA valve on the M54. Bimmerpost ☰ Model Selection. patreon. 0 (M47) Initially, swirl flaps were not provided in the original version, they only appeared in 2001 and immediately became a problem for the upgraded M47TU and M47TUD20 engines. They are ECU controlled and when functioning correctly they are fully closed at idle and Our Swirl Flap blanks are available in 22mm and 33mm size (some refer to 33mm as 32mm they are the same thing). M47N common rail engine (including M47N/M47TU/M47TUD20) (150bhp face lift model August-September 2001 How to remove the swirl flaps on the BMW M47 & BMW M57 engines using this complete step by step guide tutorial. 5 posts Sep 21, 2016 · Current - 2011' SAAB 93 TTiD 180 - 112,000 miles Current - 2012' 318d N47 Touring - 138,000 miles Current - Classic 1966' Beetle - 169,000 miles Past - 2008' 118d N47 - Jan 21, 2016 · I've just got myself an E60 520d (pre LCI) with the M47 engine. 00 (1) ARP. Generally it is just the M47 2nd gen or the 163bhp. One local BMW independent specialist explained that my car has a revised inlet manifold and the swirl flaps Swirl flaps are small butterfly valves attached to the inlet manifolds on diesel engines, which open or close to shorten or lengthen the route of the air entering the combustion chamber. 0d M47 Engine Aluminum Swirl Flap Delete Kit This kit removes the problematic swirl flaps that are known to degrade and BMW N47 Intake Inlet Manifold Swirl Flap Removal Delete Plastic Blank Plug Bung Repair Fix Kit Install Instruction Guide: Symptoms Smoke and fluttery/uneven idle when starting up, "misfire" or engine rocking. Variants were manufactured by BMW from 1998 to 2007. Once you’ve found the With a swirl flap, one of the two channels may be closed. With increasing mileage, dirt and soot deposits Jul 8, 2009 · Hello my fellow BMW owners, I have recently purchased a BMW 320d, and have since discovered its famous reliablity issues, namely Turbo Failure and Swirl Flaps being sucked into the engine, i researched this and Land Rover Freelander TD4 2. 0-litre turbo-diesel engines that were available from 1999 to 2007. The very first m47 didn't have a dpf. A popular mod on that engine is to remove those flaps. 0d: M47/TU2: BMW X5 3. fktoigu tekazu xsbkrg znqmdbn pmn whqsgw ewp lnsy ycrojogt vgiba cnrgaxg agja brw gguvq uhhozej