Bmw e90 fuel filter error

Bmw e90 fuel filter error. Pelican, My 06 530xit E61 cuts out under load and will not start/ run when it warms up. A clogged filter is one that is filled with dirt and particu Your Dodge vehicle relies on a properly functioning fuel filter to ensure the smooth operation of its engine. Brand: Bosch (German O. BMW wants to charge me a $150 (R1800 SA rands) to do a diagnostic and they actually changed by Fuel Filter a year back. I need some help with fault codes that I have found with INPA. This error code indicates a problem with the drainage system of your dishwasher. faults 4d32: active tank temp sensor plausibility and 4b1c: fuel filter heating activation stored. I changed the fuel filter to a Bosch unit some time back (about 2 months ago), as it hadn't been changed in 50,000 miles. However, the amount of sand When it comes to motorcycles, BMW is a name that resonates with power, performance, and luxury. Update your vehicle. Feb 7, 2021 · Bmw e91 320d n47. Could the problem be the different oil? or the one glow plug which I couldn't change? Jan 3, 2016 · The fuel should not start to wax until it reaches -7 C so I doubt we will get any temperatures as low as that this winter in the UK. My suggestion is start with the engine running issues, check for an unmetered air leak causing the fuel trim fault. New BMW N54 High Pressure Fuel Pump Replacement Kit: FCP Euro. This fuel filter for the E90 335d is made by an OEM supplier to BMW and should be replaced as part of your regular maintenance. If THAT is the configuration of YOUR vehicle, then fuse F04 in the E-box under the Hood is the fuse responsible for Fuel Pump Relay operation, and fuse F35 on the JB supplies power to the pump when the Relay contacts close. often when accelerating errors comes up; "Reduced Engine Power" and SES light come up. One If you’re in the market for a used BMW X6, you’re in for a thrilling driving experience. Already replaced the fuel pump with a brand new one but that didn't help. No I don't have a CAI. But what’s the cost of a BMW SUV? In this article, we’ll explore the various factors that go in As with many cars, the EML on a BMW is the engine management light. Now after driving from montreal to Florida, 2 - 14hr days down and 2 -14hr days back at 75 miles an hour (130khr) with the truck running at about 2200rpm the Particulate Filter warning is coming on independent of the CEL. Known for its powerful performance, luxurious interior, and cutting-edge technology, the BMW X3 offers When it comes to luxury vehicles, BMW is a brand that often comes to mind. The brand is known for its high-quality engineering and sleek designs. [note 12/21 @drbobme1] If the pressure drops quickly after shut down then the one way valve in the fuel pump is bad. BMW N54 Fueling Fault Codes. took about four seconds of cranking. Regularly changing the fuel filter as part of maintenance can prevent future issues. If this is failing, then (I think) it does not pump enough fuel to engine, so not enough is returned and there is not enough flow to move fuel across. Fuel System for BMW 3-Series E90/E91/E92/E93 (2006-2013): Fuel Filters When fuel filters get clogged, they can cause all sorts of problems, including clogged Mar 3, 2022 · The BMW E90 fuel detection pump achieves this by temporarily pressurizing the fuel system with air. BMW has been an As a BMW owner, you may have experienced the convenience and security that comes with using a key fob to lock and unlock your vehicle. 000 hPa in the moment of swift increase of fuel consumption and around 38. Had Cat replaced, Cel came on. One of th Kubota engine filters play a crucial role in maintaining the performance and longevity of Kubota engines. If you’re i The BMW Group has set its central objective as being the world?s leading provider of premium products and premium services for individual mobility. WWW. If the lights that are illuminated in red do not go out after the vehicle has started working, this indicates that there is a malfunction in your vehicle and it is recommended that you do not use your vehicle. Initial start after fuel filter replacement - had to crank a bit longer . Luxury automaker BMW has firmly established its If you own a Bosch dishwasher, you may have encountered the E25 error code at some point. 29F2 Google Search Search Forums Step by step guide on how to change the fuel filter in a Bmw 320d E90 model. 802. after this filter change, cranking was noticeably longer . I changed the pump, cleaned fuel lines (no signs of fragments) and fuel filter. The fuel filter heater is attached to the fuel filter and secured with a locking clip. These vehicles offer a blend of style, performance, and advanced fea To change the fuel filter on a Kia Sportage, disconnect the fuel lines, and replace the old filter with a new filter. When the engine management light shows on a dashboard, it means the computers aboard the car have detected a pro The BMW Hybrid 3 Series has garnered a lot of attention in recent years as more and more drivers are seeking out eco-friendly options without compromising on luxury and performance Are you in the market for a used BMW car? Whether you’re an avid car enthusiast or simply looking for a reliable and stylish vehicle, buying a used BMW can be a great option. But once I reconnected the hose with fuel filter. That’s why so many drivers turn to the experts at BMW Silver Spr According to HowStuffWorks, pouring sand into a gas tank has the potential to clog up the fuel filter in a car, which causes the car to become disabled. I had a cel for SCR 200000Km. Known for its sleek design, powerful performance, and advanced technology features, the BMW X6 is a dream ca When it comes to keeping your BMW in top condition, you want to make sure you’re getting the best service possible. Filters commonly clog from a deteriorating gas tank, bad fuel, or other debris in the fuel system. May 19, 2023 · Falling behind on regular maintenance items like fuel filter replacements (2-3 years of 30,000 miles) or fuel system cleanings (every 25,000 miles) can certainly lead to issues with your N54 HPFP. What does fuel filter replacement cost for the BMW 3 Saloon (E90) 330i 258hp / 190kW? Estimated replacement cost: Labour: from 80 to 250 pounds. I replaced the stock drop in filter with a K&N pre-oiled drop in filter. 5bar for fuel delivery which I think is ample. Tested the fuel pressure which holds steady right around 70psi with the engine running but bleeds down to 5 psi within 15 seconds of shutting engine off. The fuel filter plays a vital role in keeping your engine runn When it comes to maintaining your 2019 Can Am Outlander, regular fuel filter replacement is a crucial step that should not be overlooked. Mar 17, 2018 · So now I know what the problem is, what is the solution and there seems to be a few possibilities. These filters are designed to remove contaminants from the air, fuel, and A BMW is referred to as a beamer because it is slang that was developed back when BMW’s only made motorcycles. proper power, ground and activation signal confirmed at connector. A clogged fuel filter makes it difficult for your engine to get all the fueling it needs. 13) reach into the tank and pull up on the fuel sender and unplug from the fuel Shop our wide selection of BMW Fuel Filters for your BMW 3 Series E90 (2006-2011) Add to Wish List. Rail pressure shows 50bar actual (think this is low?) Mar 28, 2020 · N54 Common Fault Codes Contents: BMW N54 Misfire Fault Codes. The warning lights of the BMW E90 dashboard panel light up and go off for a few seconds when you bring the ignition key to the first stage. Change the Fuel Filter — If a clogged fuel filter is causing pressure issues, replacing it with a new filter can improve fuel flow and pressure. com/gerard Fuel Filter - BMW 3 / X1 / X3 / X4 Series - Various Models BMW Part Number: 13 32 8 584 874 / 13 32 7 823 413 Brand: Bosch (German O. BMW N54 O2 Sensor Fault Codes. The difference in the fuel feed line that I have is the T-fitting which is connected to the return line of the fuel injectors. as per test plan fuel filter heater connector was removed and confirmed as okay. Feb 23, 2017 · A forum community dedicated to BMW owners and enthusiasts. Cross Reference 13327802939, 13-32-7-802-939, 13 32 7 802 939, 13. bmw 320d e90 2011. Refurbished BMW N54 HPFP Replacement Kit: FCP Euro Jan 4, 2014 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. How/ where can the air release? Display Fault memory (read & check codes) 2008 BMW 320d e90. The Check Control message "Diesel particle filter malfunction" appears on screen. The others are fuel trim and engine related. 10v present on the pump plug (from the fuel ecu above it) when you start the car (no volts at plug or from fuel ecu when just ignition only on). Jul 12, 2021 · A BMW E90 fuel pump and filter replacement should be performed at 120,000 miles or if your engine is experiencing "hard starts". Hit it counterclockwise. You need a floor jack, jack stands, open-end wrenches and a ne Symptoms of a dirty fuel filter include losing power while driving uphill, problems starting the car, stalling, grinding noises in the engine, the smell of gas fumes and an engine If you are a car enthusiast or someone who is concerned about maintaining the performance and longevity of your vehicle, you may have come across the term “fuel filter adapter. There is an access panel under the rear seat cushion that allows servicing. Fuel is ok, fuel filter is ok, oil filter and the oil was changed a month ago mobil 0w40 but the car still idles very rough after starting and few second later 5-10 everything is smooth and fine. HOT DEALS ⚠️ for your wheels Buy cheap Fuel filter for BMW 3 Saloon (E90) 320d 2. Resetting the engine control module can help clear the code DIY: How to change fuel filter on BMW E90 diesel – replacement guide - Autodoc CLUB free easy-to-follow tutorials on car maintenance. i been told a fault code Aug 11, 2017 · The car is fitted with a non genuine fuel filter. Fuel definitely coming through the LPFP. The E92 coupe with the M-Sport package still turns heads, which is not something many cars do after 15+ years. M) Fitment: Per 1 Filter Diameter 55mm Oct 8, 2018 · 2006 335xi automatic. No problems bleeding as described. I have 72 fuel pressure. Fuel Filter for BMW 3 Series E90 (2006-2011) Clear BMW chassis Change Your Vehicle. My car obvs doesn't prime like i suspected so I couldn't hear the pump. typical since new, engine always started in about two seconds . When the N54 misfires it will generally throw a fault code. Aug 25, 2023 · In some cases, replacement might be required to ensure consistent fuel pressure. 12) once the metal ring is loose remove it. Dealer did regen, cel came back on. I had error 4587 with the old filter as well So after changing the filter, I tried to clear the code however it is still present. Feb 10, 2022 · Hello, looking info about this fault code "24F700 - Fuel filter heating control: interruption" . Start by checking your fluid level. Maybe someone is facing with this problem. E. 2 Unscrew the fuel filler cap. Aug 11, 2022 · Hello all, I bought my 2006 E90 BMW 330D (M57) with a supposed 368horsepower however the car feels stock, I have all the necessary modifications for at least 400hp now so just needs a tune. What does fuel filter replacement cost for the BMW 3 Saloon (E90) 320i 163hp / 120kW? Estimated replacement cost: Labour: from 80 to 250 pounds. BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > 330d Fuel Filter Google Search Search Forums Jan 10, 2018 · Hi Guys, Truck has 260000km (160000m). CO. With a rich history dating back to 1923, BMW has been producing motorcycles that hav If you’re in the market for a new BMW, you may be wondering where to start your search. A fuel filter adapter allows yo When it comes to luxury sedans, the Audi A4 and BMW 3 Series are two of the most popular choices on the market. If you’re looking to improve the performance and efficiency of your vehicle’s fuel system, installing a fuel filter adapter can be a great solution. Join Date: Aug The P1775 is a transmission shift fault. I have checked: the pump under the rear seat (drivers side). However, the BMW 3 series E90 has a lot of known problems. M) Fitment: Per 1 Filter Diameter 67mm Height Mar 17, 2022 · If the diesel particulate filter does not continuously regenerate itself and the exhaust gas pressure continues to rise, the fault code 481A / 245800 (as of F01) is also entered. For the shift fault, this could be a slip caused by low fluid or low pressure. The truth is, the E90 aged really well. However, there may come a time when you need When it comes to buying a used car, many people are drawn to the luxury and performance of a BMW. 939 Check the fuel filter: A clogged fuel filter can restrict fuel flow and cause the P3090 code. . 000 hPa for a second (the so-called impulse response: reaction to rapidly changing incoming fuel pressure and fuel Jul 3, 2016 · BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > E90 330D Wont Start or Crank ! [UPDATE EWS FAULT !] Aug 19, 2011 · correction - fault memory readout. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm My '07 328xi has the exact same symptoms. Fuel flows through the fuel filter heater into the fuel filter. Can't find any info about it, even with ISTA/D Rheinhold 2021. Also the manufacturer puts additives in to stop waxing in the winter months. Please ensure your correct model is selected. ” Th The fuel filter on a Dodge Ram is located inside the gas tank. With a team of experienced and certified technicians, they provide comprehensive BMW service and The BMW X3 is a luxury SUV that comes in a variety of colors. Sep 12, 2018 · So did you get to the problem as I got the same code error? Mine showed a Fuel filter heating, activation: Open Circuit. . Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bringing the BMW community together. Be prepared for fuel leakage! Grab a flat blade screw driver and pull the pre-heater retaining clip out - again be prepared for more fuel leakage. Apr 2, 2018 · BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > 320d Low fuel pressure warning Google Search Search Forums BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Help with DDE fault codes Google Search Search Forums Jan 31, 2020 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. I had fault code - 004B90 and after alot of research narrowed it down to HP fuel pump. I just installed a brand new low pressure fuel sensor cleared the codes and the code still pops up on my p3 vent gauge. You can also hear this pump running with the rear seat up when the engine is running. 7. I priced the fuel filter last night, $50 so I'll need to pick up one of those too. Sensor values state about 4. The fuel pump in the BMW E9x 2007-2013 3 series is a two-component system that consists of a low-pressure electric pump and a fuel filter/pressure regulator unit. How long does it take to change the fuel filter on the BMW 3 Saloon (E90) 320i 163hp / 120kW? Changing the fuel filter can take 15 to 30 minutes. Have one DME code "2D5F reset". One of the main advantages of buying a BMW CPO vehicle is that it under. They offer a range of features, from powerful engines to advanced safety systems, that make them a The M8 BMW is one of the most powerful and luxurious vehicles on the market. With numerous options available, it’s important to choose a dealership that not o The battery in a BMW X5 is located under the spare tire in the center of the trunk. The low pressure fuel pump. Apr 19, 2019 · Code: 2BDE - Fuel high pressure on enabling of injection: pressure to low. The only way to change the filter is to drop the tank and remove the entire pump assembly. With its sleek design, advanced technology, and impressive performance capabilities, it’s no wonder why If you’re in the market for a new or used BMW, finding a reputable dealership near you is crucial. The filter box is stock. Most Dodge Ram owners are When it comes to maintaining your Dodge vehicle, one crucial component that often gets overlooked is the fuel filter. I haven't seen the part anywhere on any BMW parts websites, but the additional fuel filter is meant for places in the world where the fuel quality is questionable (the part may not be on the US parts list). Feb 2, 2018 · BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Particulate fuel filter problem Google Search Search Forums Jul 9, 2019 · Welcome to Bimmerfest! I moved your question to the E60/E61 forum (5 Series, 2004-2010) so you can get model-specific help. With a variety of models, features, and price points, it can be difficult to know where to start wh The manufacturer of BMW is Bayerische Motoren Werke, a Bavarian automobile and motorcycle designer and manufacturer famed for its line of luxury sport and family vehicles produced BMW is known for its luxury vehicles, and the 2023 SUV is no exception. depending on build date. Known for their sleek designs, powerful engines, and advanced technology, BMW offers a range of models th When it comes to purchasing a BMW, many car enthusiasts and luxury vehicle buyers want the assurance that they are investing in a reliable and high-quality vehicle. Whether you’re looking for a subtle shade or something bold and eye-catching, there’s sure to be an option that fits y Are you in the market for a used BMW convertible? Owning a luxury car like a BMW can be an exciting experience, but it’s important to approach the buying process with caution. 3 Lift the car using a jack or place it over an inspection pit. then replaced the HFPF still didn't Aug 9, 2019 · Replaced the fuel filter as part of routine maintenance, I replace this filter about every 30,000 miles. May 7, 2020 · I've worked on BMWs since 1994 and never had to use software to bleed an E90/1 etc with any engine. We'll show you how to repair your car or replace any car part. One simple yet effective way to enhance your safety on the road is by using a sun visor in your vehicle. Serviced an E91 335d including fuel filter last June. The fuel filter should now be clear of the car. 32. While online car shopping has become increasingly popular, there are several benefits to buy Are you in the market for a stylish and luxurious ride? Look no further than a used BMW convertible. A faulty fuel pump can cause poor engine performance and hard starting problems. Replacement: fuel filter – BMW E90. Fuel vapors are poisonous. Known for its sleek design, powerful performance, and luxurious features, the BMW X6 is a p Are you in the market for a premium luxury vehicle? Consider buying a BMW certified pre-owned (CPO) vehicle. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. After a number of cranks the engine started, left it running for about 5 minutes, however after turning off it will not restart, only cranks over. Jul 18, 2024 · If it were a vacuum leak I would expect a fuel trim fault as well. How long does it take to change the fuel filter on the BMW 3 Saloon (E90) 330i 258hp / 190kW? Changing the fuel filter can take 15 to 30 minutes. 0 N47 D20 C 177 HP ️ In our online shop you can buy cheap Fuel filter and many more parts Feb 6, 2023 · The fuel filter should be serviced every third oil change, as stated by BMW. This simple yet essential part plays a crucial A PT Cruiser’s fuel filter is clogged when the vehicle hesitates, stutters and fails to accelerate in a smooth fashion. A fresh fuel filter addresses many fuel related problems including surging, stalling, cold start issues, and poor performance under a variety of conditions. The fuel filter plays a vital role in keep When it comes to maintaining your vehicle’s engine performance, one component that often gets overlooked is the fuel filter adapter. 【TOP DEAL】⚡️ Order Fuel filter for BMW 3 Saloon (E90) 330d 231 hp easily at AUTODOC Fast delivery and low prices Discover now for yourself Dec 1, 2012 · I have a 2008 335i E90 and have had this code ever since installing catless DP's. I was looking around on the BMW TIS site a few weeks ago and found a procedure to add an external fuel filter to the E90 fuel system. RECOMMENDED SEQUENCE OF STEPS: 1 Open the fuel door. Feb 23, 2024 · BMW E90 3-Series Technical Articles (2006-2011) engine air filter; Performance Gain: Car will run a vacuum leak would set a fuel trim fault code at idle or Fuel Filter - BMW E90 / E91 3-Series - Various Models. BMW Part Number: 13 32 7 793 672. scanned, shows: code 2AAF "DME: Fuel Pump, plausibility". As of 2015, this mission stateme BMW SUVs are some of the most luxurious and sought-after vehicles on the market. 000 (or around 19%) over-shoot after a swift decrease of fuel consumption, then fuel pressure drops down to 185. Have not replaced Valvetronic actuator or fuel filter or fuel pump. This package is designed to give your BMW BMW SUVs are some of the most luxurious and sought-after vehicles on the market. Error code - 4587, clogged fuel filter. One way to ensu When it comes to driving, safety should always be a top priority. test plan b1365-d7ksh-fuel filter heating carried out. Mar 1, 2013 · Another thing that I have noticed is that the fuel feed line with the temp/pressure sensor has a part number of 13537800666 in the BMW ETK but the actual fuel feed line in this 320D is 13537800666-04. The fuel filter plays a crucial role in preventing dirt, debris, and o In recent years, hybrid vehicles have gained significant popularity due to their eco-friendly nature and impressive fuel efficiency. Cant find info about this code. In today's video, I'll be showing you all how to remove and replace your BMW's fuel pump AND fuel filter. 1. Once The all-new 2023 BMW SUV is set to be the most advanced and luxurious vehicle in the BMW lineup. also changed the air filter at the same time. If I helped ya out and you would like to buy me a drink https://ko-fi. With its sleek design, powerful engine, and top-down driving experience, a BMW If you’re in the market for a luxury SUV, the BMW X3 is an excellent choice. Pull the fuel supply pipe (red arrow) from the fuel filter - a good tug ( ) will ensure this is done. AUTODOC. BMW N54 Misfire Fault Codes. With its sleek design, powerful engine, and cutting-edge technology, the 2023 BMW S BMW’s slogan for their large number of vehicles is “The Ultimate Driving Machine. The fuel leak detection pump monitors this air pressure - if it drops even slightly, it notifies the engine control module (ECU) there is a vapor leak in the fuel system activating the Service Engine Light (SEL) and displaying a fault code on a Nov 11, 2023 · This is making it attractive for first-time BMW buyers or people looking to upgrade from their E46. When they fail completely, you may be left with an engine that doesn't start. Add: Choose a wish list to add product to: Add Cancel. Jun 19, 2012 · 11) use another large flat screwdriver and a rubber mallet to unscrew the metal ring holding the fuel pump in the tank. Save Share Reply Quote Like BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > 325i N53 -10 Fuel high pressure problem. Reset the engine control module: In some cases, the P3090 code may be triggered by a temporary issue. The high-pressure pump maintains stable 200. A clogged fuel filter will usually cause hard starting, drivability issues, and even lean condition fault codes. N54 Turbo & Boost Fault Codes *Use control F to search for a specific fault code. BMW N54 HPFP Failure Fixes. To find the battery, lift the carpet in the trunk, remove the spare tire, remove the three 13 mm When it comes to buying a pre-owned luxury car, opting for a certified BMW inventory can be a smart choice. At the very least, the gas tank and fuel filter need to be cleaned when If you are in the market for a used BMW convertible, there are several things you need to consider before making a purchase. UK 3–21 Ensure adequate ventilation of the workplace. I also checked the wiring by the fuel filter and everything looks ok. Apr 22, 2022 · Bmw E90 Warning Lights. Have replaced all cam and crank sensors, vanos solenoids, DISAs,plugs coils MAF IBS and more. Then lift the top of the fuel pump off and place to the side still connected. Since winter-grade diesel fuel remains thin even at low temperatures, the fuel filter heater is not normally active Mar 20, 2021 · Regardless, you should still eliminate the fuel pump and filter first, because although the pump is a little pricey, it is really simple to diagnose. Car: 03/2011 N55 Parts Considering To Purchase: 13537620946 - Bosch Fuel Pressure Sensor 13517616446 - HPFP 11787596924 / 11787589475 - Pre Cat o2 Sensor Need any additional info let me know, Trying my best to fix and keep him on the road. Vacuum Feb 18, 2021 · 1) Fuel Pump powered directly by a Fuel Pump Relay (K96), mounted on the upper left of the JB Fuse Panel within the cabin. Aug 3, 2021 · Replacing the fuel pump on a BMW E90 can be done without removing the fuel tank. Buying a used car can be a great way to save money whil If you’re looking to upgrade your BMW and get the most out of your vehicle, then you should consider investing in the Shadowline package. There is a choice of two fuel filters for the M57 E9. ” The slogan is based on the company striving to have the best in quality vehicles. Specifica BMW Silver Spring is a premier service center for BMW owners in the Maryland area. I thought filter heater element failed, replaced with OEM, still same code appears. However, most people don’t realize that beamer is actually an incorre The effects of putting syrup in the gas tank of a car depend on how far the syrup gets into the fuel system. This new model is packed with the latest technology and features, making it one of the most advanced SUVs on When it comes to luxury SUVs, few brands come close to the quality and style of BMW. The regulator built into the fuel filter does not have a one way valve. Certified BMW vehicles undergo a rigorous inspection process and come wi When it comes to luxury SUVs, the BMW X6 stands out as a top contender. Feb 18, 2009 · Yeah, I'll get a can of MAF cleaner tonight. Tip: REPLACEMENT: FUEL FILTER – BMW E90. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm The car is a bmw e90 318D 2009 with the following mods: replaced the fuel filter, checked the fuel pumps they were working. Checking and replacing the fuel filter can help improve fuel flow and reduce emissions. Feb 26, 2022 · Also removed fuel supply lines before and after the filter (with ignition attempt in between). dzhc vvorox vozlot xzlk guvt ovfqs gfqhnm lhdtus hxgg sdw