Bmw n47 egr valve location
Bmw n47 egr valve location. I only cleaned mine. Doug. iTrader: ( 0) EGR delete, for a friend ;) Asking what the tuner of choice is for an EGR delete. PURGE CONTROL VALVE LOCATION REPLACEMENT BMW N51 N52 N53 N54 ENGINE E90 E91 E92 E60 E61 E83 X5 X3 Z4If you need to replace the purge control valve or you nee Apr 22, 2019 · Connected to the EGR Valve, the valve starts to open at about 14-15 inHg (360-80 mmHg) and is fully open at 20 inHg (500 mmHg). Vehicle Specific. The secondary air does not effect the engine power at all, and turns off after the cat is warmed up. Van Revamp Wiltshire. EDEL. SKU: TF. 99 € TAX included. BMW X1 E84 2011 20dX XDRIVE. Aug 15, 2021 · BMW closing EGR through ISTA Rheingold software, depending on engine. Illustrated step-by-step manuals and video tutorials on replacing BMW 1 Series EGR Valve will tell you how to carry out DIY replacement of parts and maintenance of your car quickly and cheaply. Description of your problem is in faulty ERG valve and it would be the best to replace it ONLY with OEM EGR valve. Verified purchase. youtube. Other Name: Electric Valve; Solenoid Valve, Vacuum Control Solenoid. . The N47 engine shares similarities and even common issues with other engines in the same family such as the N57. But for most N47 tuning projects this is probably a step too far. com/43mz2 Click on t Mar 16, 2017 · so the EGR stay closed all the time and dose not to open so the customer does not have to replace it at a high costs or on working EGRs to stop the soot getting into the intake and clogging the manifold so stopping the newer type swirl flaps from wearing out faster on the N47, N57 and others. Rough idling: While a rough idle can be the sign of many problems, an EGR valve is a potential cause. Loo roll filters are much better but obviously need changing regularly. Also, check all the pipes involved, just in case. FORD. Kit Content and Specifications: EGR valve & cooler removal kit (stainless steel, Viton O-rings) Exhaust manifold blanking plate with gasket (stainless steel, Victor Reinz) Screws with washers. If you are not sure if this EGR removal kit fits your car please send us VIN number of your car and we will check it for you. Remove glow plug connector and MAP sensor plus cable to alternator for removal of inlet manifold. With diagnostic software I can see the exhaust gas recirculation cooler temperature sensor displays a value of 40. 82 14 1 467 704. Oct 24, 2014 · Clean if necessary. 3. 000 Km). Porsche 718 Cayman. Best case, $11k in repairs or worst case, $25k for a new engine. EGR Pipe to Inlet Manifold Blanking Kit for BMW N47 / N47S Engines. AUDI. If I open it up fully while the engine is idling, it causes a stall (so I'm guessing there's no blockage through the exhaust cooler). Vacuum hose (40 cm) – (one hose is enough for 2 vehicles) Supported Sublet up to $30 as needed. £217. So far I have changed the egr valve, vacuum controller and vac pipes. EGR VALVE + EGR COOLER DELETE KIT FOR BMW B47 N47N N47S1 2. �Introduction. NISSAN. BMW Secondary Air Injection Vacuum Control Valve. Sep 1, 2020 · How to repair fault air to EGR mass flow plausibility mini/Bmw engines iTrader: ( 0) Go to RealOEM. This is with the engine cover removed. For use outside public roads and in motor sport. T:- 07921131952. 107. It is a 2014 328d with 60k miles currently on it. $65. Backpressure (DPF exaust pressure sensor) shows 5 hPa, perfect. In this video, I show you how to replace your MAP/Boost pressure sensor on my 520d #E61 #BMW. You need to remove this pipe (pinch top and bottom and slide off) which allows much better access to the two bolts you need to undo. 213 posts · Joined 2017. 96° C. 60. I Have Shown What Is The Difference Between A Mar 21, 2021 · When defects appear on the EGR system or on the intake flap, here"swhat you need to do before replacing the parts with new one. Just looking for alternates 1st. Genuine Emission Reduction EGR Valve Exhaust Gas Recirculation. Would recommend, bought egr valve for BMW 318d for £60 while named suppliers charge 200 I never even priced BMW parts. The install process should be very similar for all BMW N47 engi Mar 15, 2019 · protocol1. Sep 10, 2017 · Hi guys! I have the same message as you (low oil pressure) every single morning when i turn the engine on. 2. . Jan 30, 2020 · Nyc Dito Discussion starter. Is also just around 10sec and desapears. Rubber plug. TIS N57TU�crankcase�with�reinforcing. 0 d4d engine throwing air mass drift codes because the egr port and intake ports were restricted but it was dry carbon so cleaned out easy not like the bimmers which just gunk up. Please Note! Generally until 2002-2004 no ECU warning light will appear. I've checked the vacuum lines and clock 3. Most Common BMW N47 Engine Problems. The fault codes I am getting are 4501 egr control deactivation 4dff swirl valve position controller Removing the swirl flaps isn’t an option as my mechanic will not do it and will leave the engine light on. Aug 30, 2020 · Cleaning EGR valve, Bleeding cooling circuit, clearing errors in DDE module and resetting emission adaptations. Been having repeat 4862 egr air mass plausibility fault code pop up over past year or so. NOTE: (F25 is pictured) It is necessary to disconnect the crankcase breather line to access the EGR valve (2). It's electric on that engine, not the previous vacuum type. 1. Quantity. Nov 20, 2021 · cleaning the BMW EGR valve Jul 22, 2020 · EGR Temperature sensor problem. The M54 does not have an external EGR valve, it has internal EGR, and cannot be removed. 0 Diesel N47 Engine found in most of the E Series BMWs is very tuneable, but not as bullet proof as it's 3. 99. Would definitely use this company again. Read out the exhaust-gas temperature after the EGR cooler while engine is cold (stopped engine), then start the engine and check the increase in temperature for plausibility. The EGR valve on these vehicles is designed to redirect a portion of the vehicles exhaust gases b… RE: Recall 21V-907: Exhaust Gas Recirculation (EGR) Cooler – N57T High Temperature Bulletin: B11 08 21 BMW AG is conducting a Voluntary Safety Recall (effective November 18, 2021) on certain Model Year 2014 - 2018 BMW vehicles with the N57T diesel engine that were produced between February 12, 2013 and June 30, 2018. BMW. I will first try to remove the EGR valve and clean it using a EGR/ carb spray. Unfortuneatly the fault codes a The BMW N47 engine comes in different variants, offering varying levels of performance. We have the same R56 SD LCI with N47N engine ( 32. ” This is NOT a notice of a Recall RE: Recall 21V-907: Exhaust Gas Recirculation (EGR) Cooler – N47T Low Temperature Bulletin: B11 11 21 BMW AG is conducting a Voluntary Safety Recall (effective November 18, 2021) on certain Model Year 201 - 52017 BMW vehicles with the N 47T diesel engine that were produced between February 17, 2014 and December 21, 2016. com/watch Keep an eye out for symptoms of carbon buildup in the intake. Index Explanation 1 Crankcase 2 Reinforcing�plate 3 Oil�pump. Since�then�BMW�in�the�US�has�not Jul 8, 2014 · BMW EGR Valve clean on a 2. 0 DIESEL ENGINES. Jump to Latest Follow New and fully refurbished BMW Ecus 0208 561 1818 07831 103030 Hayes UB3 1BB . Later models with pneumatic and electronic EGR valves, fitment of this part may result in the ECU warning light appearing. Part Number: 11741742711. Also, you will get a check engine light if you blank it off. 5 gallons concentrate) Supported Sublet up to $85 as needed. • Insert the probe for the borescope and inspect the fins on the inlet side of the EGR cooler for any build up or contamination (1). May 11, 2019 · The car is hesitant at low speeds and doesn’t respond to the accelerator. If a faulty valve is not replaced, it can cause major damage to the engine requiring very costly repairs. Oct 2, 2019 · So I suspected my EGR cooler had cracked because I could smell exhaust fumes around it but couldn’t see anything. E:- vanrevampwiltshire@yahoo. Additionally, the fault memory may read the following fault codes: 255C00 -EGR controller, position control: Valve too wide open/negative control deviation May 1, 2018 · For some people including myself I just removed the intake manifold to blank the swirl flaps and the EGR comes off with it and you can then remove the EGR easily. Mechanically faulty near closed position; 272F00 - Exhaust-gas recirculation valve plausibility. $60. Timing Chain Problems; The timing chain issue is the main concern with the BMW N47 engine. Only issue is I can't find a guide for the N47 engine. It will come off easily as it's only secured with 2 bolts. What you removed was the secondary air valve used to heat up the cat quickly during cold start up. EGR COOLER AND EGR VALVE. When the engine is warm then this problem goes away, as if the valve self lubricates when hot. 11 74 2 247 906 - 11742247906 - 2 247 906 - 2247906. This week it was an EGR valve cleanup to try and prevent the fault codes I was getting. The EGR valve is just Join Date: Sep 2019. Check engine light: As with the idling, the check engine light is a symptom of many potential problems with your BMW. " My car was under warranty, so the dealer installed part number 11719886714, which is a remanufactured unit. 63. 00] To answer the OP, the N47 engine's EGR valve is quite reliable and doesn't soot up much. AUTOPHIX 7910 OBD2 Diagnostic Scanner Tool for BMW/MINI Cars - https://amzn. I would think you would need to reset the adaptations. Also after fitting the EGR the adaptation values should be reset. The work continues on the D3 BiTurbo. Here is a video showing the removal. 55 ( 19%) Check the fit. So I'd investigate whether yours is similar, it could be as simple as a split/worn rubber pipe. These have a Solenoid Type Injector that are very small, and struggles to do much over 200bhp without excessive smoke and Sep 11, 2019 · This is a common problem on the BMW N47 engine which is on the 120D, 320D and 520D. Product Details. Hi all, I have trawled the internet for a while now in search of how to remove and clean my egr valve on a e90 318d n47 engine, all the others I have seen have been attached to the throttle body or don't have the coolant hoses attached. Apr 27, 2021 · The 2. BMW EGR Valve Stainless Steel Removal Bypass Delete Blanking Kit Install Instruction Guide: The Problem Carbon rich recirculated exhaust gasses leave deposits within the EGR valve which restrict or damage the EGR valve causing vehicle faults. 5. Disconnect battery and remove ECU plus carrier, this will give you a couple of inches to move the stupid intercooler pipe over. F30 320d EGRバルブ交換. Watch t In This Video I Am Going To Show You How You Can Inspect Your Bmw EGR Valve Without Removing It From Your Bmw. I could handle the physical removal but need a hand with the coding/tune aspect of the delete. t***- (14) Past month. Sep 14, 2021 · My car is a 2007 e92 320d n47 engine. If that doesn’t do the trick then I’ll replace it. Egr cooler which was cleaned and not blocked. 7 Categories: EGR Valves and EGR Deletes, Engine. X1 E84 2009-2014. Full engine code - N47D20C. for BMW 3 series F30 N47 engine. Due to an issue with the exhaust-gas recirculation (EGR) valve, the malfunction indicator lamp (MIL) lights up and vehicle engine may begin jerking or have sporadic idle fluctuations. Aug 24, 2014 · The EGR Valve is located at the front left as you look into the engine bay. Very poor EGR valve problems can change the fuel-to-air ratio in the engine so much that it misfires. Nov 22, 2022 · I got some really annoying problem with my 318d 2010 (LCI) N47 engine with electrical EGR-valve. As�with�the�N47TU�the�engine�oil�sump�gasket�surface�was�converted�to�use�a�silicone�Loctite�gasket 5970. Like. In some rare cases the valve has to be mechanically adjusted (N47 diesel engine, not sure about the petrol) Both mentioned could cause the problems you're experiencing. This blanking plug removes the pipe that goes from the EGR Valve (Exhaust Gas Recirculation Valve) to the inlet manifold on the N47 & N47S engines. Nov 7, 2013 · It builds up when the oil meets the hot exhaust gasses and carbonises on to the wall of the EGR valve. The most common N47 variant, the N47D20 produces 181 hp and 280 lb-ft of torque. #5 · Jul 6, 2020. Add to cart. 静粛性の高いB47エンジンも良いですが、それに引き換え少し荒荒しい？. I just cleared the codes that popped up and drove. I don't know if this would apply to your car or not might be worth exploring. 0 cousin, as we found out a while back. BMW Antifreeze/ Coolant ( 5 Series Sedan – 1 gallon, concentrate, X5 – 1. I've checked the by-pass flap. 2014 BMW 335d [0. The Kit is a direct and simple replacement which solves those problems. I didn't realize I had to perform an EGR valve adaptation until I saw the option on my Foxwell NT530 scanner. Had it towed to BMW and was told egr valve stuck open, melting the intake manifold and damaging the engine. Feb 16, 2020 · I have a BMW-specific fault code reader and I regularly get the following codes: 255C00 - EGR actuator position control valve too far open / negative control deviation; 272E00 - Exhaust-gas recirculation valve plausibility. Any tips appreciated. EGR kit N47N |2009 to 2016| • BMW 116d F20 316d E90 520d F10 & other. That goes for $170-190 online, plus core charge which you will get back when you send your core back. 11 65 8 595 650. The manifold can be done DIY, I've done it myself and gave the insides a good clean. In this case it's BMW X1 18XD with only 25K miles but the EGR valv This is quite common problem with modern Diesel vehicles these days and that's EGR valve. You Save: $ 13. There are also some concerns with the EGR system, water pumps and crankshaft sprockets, return springs, thermostats, and cooling systems. 0d, N47. Nov 30, 2021 · Part Number. Dec 26, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Recall 21V-907: EGR Cooler (again) New recall came out for N47 and N57 cars today. Fitted and working as it should. N47エンジンも僕は好きです May 18, 2017 · My car is 730d E65. I've found the location (I believe it's part #2 ?) but really need a diy guide. Some EGR-related problem causes the engine to jerk at low-rpms and pull-aways. The pipe and valve both hold vacuum without any leakage. com/43vadOVA: https://shrsl. May 16, 2022 · Det mest bemærkelsesværdige problem med BMW N47 er problemet med timingkæden. Mainly comes up after a prolonged run and when coming off throttle and running down towards a stop. Over the last few months we have been developing our upgrades for the N47 / N47N Engines found in the x16d / x18d Models. Early N47 is pneumatic operation EGR valve, fault will be the pressure converter (or similar nomenclature), later N47 fully electric EGR valve. 2019 430xi, Alpine white, Black Sensa Tec interior, 18" 397 wheels, sport seats, Convenience Package, Winter package. Mar 10, 2024 · If it’s the cooler leaking then yes I would think so as bmw genuine parts carry 2 year warranty. 1) Is this a necessary procedure? Have folks who have replaced the EGR valve or cleaned it performed it? 2) I still have my old EGR. Second, change the EGR vacuum solenoid, most likely is malfunctioning even if you have no errors showed on the scanner. Save Share. This kit doesn’t fit N47, N47S and N57Z engines. 見た目は後期モデルですがエンジンはN47ディーゼルです。. com/c/FourRingsAuto?sub_confirmation=1Subscribe to FOUR RINGS AUTO This E70 X5 40D came in with it's EGR valve jamming up on an n57d30 bm Dec 29, 2022 · discussing how to remove EGR valve from BMW 1 Series N47 Dec 4, 2022 · How to Remove off and Deep Clean the Dirty EGR Valve and EGR Valve Cooler on BMW 320d e90 n47 Engine#dirtyegrvalve#egrvalvecooler#bmwegr Aug 23, 2016 · Cooper R. For the eligible vehicles, BMW of North America, LLC (“BMW NA”) is extending the limited warranty for the vehicle’s diesel particulate sensor to: 10 years/120,000 miles as determined by the vehicle’s original in-service date Note: This bulletin is notice of a “limited warranty extension. Location: Chester, South Wirral. The images are for illustrative purposes only and the product may vary. 1 BMW�has�decided�to�bring�back�the�4–cylinder�engine�to�the�US�market. I've replaced the EGR-valve and reset the adoption using ISTA+, 2. to/2OJcFuKTime for a how to Mini Cooper EGR Valve installation onto the broken Mi Mar 10, 2023 · The most significant issue with BMW N47 is trouble with the timing chain. Aug 30, 2016 · There are not many garages that know how to find and fix DPF problems when a car doesn't regen correctly so it is easier and quicker for them to remove them and take your cash. It's a default value I've read, apparently when the sensor is dead. 08 MSRP: $73. And no pistons melted or things like that. Fitting big valve kits, doing a bit of N47 port enlargement and head flowing will also lift power, the fantastic side effect is it will permit a better power increase on other tuning parts. All Jun 5, 2022 · At 95k it would be interesting to see how much the intake ports of the head are gunked up it could be causing a restriction, i use to get a lot of lexus / toyota in with the 2. Dec 29, 2021 · Earlier this year BMW did a recall on the EGR valves on the N47 engine in the X3. Anyway,my Egr I disabled it by taking out the vacuum pipe. Oct 7, 2011 · It could be either the EGR valve that's clogged (probably most likely), or it could be the cooling matrix. 425 posts · Joined 2015. Check the vacuum supply of the changeover valve for the bypass flap of the EGR cooler. Hi, the link posted for adaptation (Newtis) is when replacing the EGR. *The following link Replaces BMW Part Numbers: 11 74 7 796 634 - 11747796634 - 7 796 634 - 7796634. Jul 28, 2021 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Dec 2, 2018 · how to clean egr valve bmw e60-61 ame motors YouTube-~-~~-~~~-~~-~-Please watch: "how to take out BMW G30 headlight AME motors" https://www. This is an older Aug 29, 2022 · N47 engine management fault. N20�Engine 1. CNC Machined Billet Aluminium. �Oil�sump. the mecanic says that is the oil that folls down to the engine sump and then the oil pump needs a few second to refill and give pressure to the system sensor. Genuine from the dealership is cheaper than most aftermarket offerings. Feb 21, 2021 · Jack up car and put into service position. Jul 4, 2020 · EGR Valve Adaptation - necessary? I just replaced the EGR valve on my 2013 Diesel to take care of a CEL. com/43mz0 Website for all manuals: https://shrsl. PEUGEOT. Equally, it could be the device which actuates the EGR valve, it's a Vacuum on mine (pre-FL). com. These will make loads of power 225-240bhp 340-360ft with the Dpf still fitted. Over time EGR system in your vehicle can become blocked with tar and sediment which affects economy and performance. 8d, N47. this engine is in few Mini and BMW models and the problem with ERG valve is not quite serious as the exhaust gases which are recirculated back in the engine and Jan 22, 2017 · Had my 2009 320d for nearly a year now and want to clean the EGR valve as it's probably WAAAAY overdue. EGR valve and cooler delete kit for BMW N47N and N47S1 engines. 0 Diesel N47 / N47S - MF_E+PDEL_N47 - EGR Removal Kit - Kit Content and Specifications: EGR valve & cooler removal kit (stainless steel, Viton O-rings) Exhaust manifold blanking plate with gasket (st RE: Recall 21V-907: Exhaust Gas Recirculation (EGR) Cooler – N47T High Temperature Bulletin: B11 09 21 BMW AG is conducting a Voluntary Safety Recall (effective November 18, 2021) on certain Model Year 2013 - 2018 BMW vehicles with the N47T diesel engine that were produced between September 12, 2012 and September 5, 2018. This kit fits: 116d, 118d, 120d, 125d - years 2012 - 2016 (F20 and F21) 218d, 220d, 225d - years 2012 - 2016. This is a link for the BMW manuals I use:PDF: https://shrsl. �The�oil�sump�of�the�N57TU�(rear�wheel�drive�model�only There is no such thing as one egr valve testing procedure since there are many different types of egr valve and many different manufacturers, however the pro 4 days ago · Part number7810166. Made in the UK. Third, change the valve, if the first two did not solve the problem. I was a bit dumfounded when Malone quoted me $750 for an EGR tune but if that's the going rate, so be it. N47 N47D20C 1995CC 2. Andre problemer omfatter EGR-problemer, svigtende returfjedre, defekt krumtapakselhjul, termostatfejl, defekt kølesystem og problemer med vandpumpen. Looks like cars from the last 18V-755 recall are getting a redesigned part, regardless if you passed inspection or not. BMW had already had my car in for the EGR Mar 16, 2024 · This item (52) All items (240,684) a***1 (107) Past year. Precision engineered for optimal fuel consumption and vehicle performance the robust design protects against corrosion, contamination, and high temperatures. Diagnostic fee charging is commonplace these days and once discovered it’s a warranty job then you won’t be liable. The build up is very much due to driving conditions, the EGR valve only opens at low revs and at idle, so town driving will cause bad build up. 代車で使用しているF30 320dのEGRバルブ交換を致しました。. Turbochargered! So here in Europe are many many diesel tuners that are deleting (Remaping) the EGR/DPF from the software and physically (then no engine light). • NOTE: (F15 is pictured) Remove the T30 screw (1) before removing EGR valve. Note the software does not allow you to completely close the EGR by just a percentage. Kit contains everything needed to remove EGR and cooler. �The�last�BMW�4–cylinder engine�in�the�US�was�the�M44,�this�lasted�until�1999�and�was�installed�in�the�E36�318is/318ti/Z3. These have been on the early and later type Ecus for EGR valve. E90 n47 egr valve. Regaining los Jul 27, 2021 · It is recommended to check coolant level when work is finished and top-up if level is low, you may need to carry out coolant bleeding process as well. cleaning the EGR can result in better throttle response and I believe can affect fuel economy. Throwing code: 004B82 1. Fits the following BMW Models: Changes are it won't last long, out of experience probably only 1 to 2 years. 2016 X3, 28d, Mineral White Metallic, Oyster Nevada Leather Mar 15, 2014 · My girlfriends E81 (N47 engine with about 70k) developed a fault causing the Engine Management light to appear, so I hooked up the OBD tester and it came back with P0402 - thus I removed the EGR valve and the cooling unit, cleaned it all and sprayed in WD40, the valve wasnt that sooted up though (a bit better than this. Jul 18, 2020 · VW. Remove both intercooler pipes below. This kit doesn't fit N47N engines. Description. 4. Quote: Approximately 14,120 Model Year 2013-2018 BMW 328d and 328d xDrive Diesel engine vehicles were equipped with an Exhaust Gas MANF RACING EGR Valve + EGR Cooler Delete Kit BMW 2. My 520d has I guess a problem with a sensor. 23dx, N47S. For at undgå de fleste af disse problemer skal man sikre, at den korrekte pleje og vedligeholdelse overholdes. Dec 25, 2020 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > Slow coolant leak, EGR cooler? Google Search Search Forums Due to this blanking plate the hot exhaust gases no longer reach the intake manifold. Here's how to fix it Jun 2, 2015 · First of all, check all the hoses and change them if necessary. E70 LCI 35d. iTrader: ( 0) You have EGR troubles essentially. 2. Feb 13, 2019 · https://www. 0 DIESEL. 0D 20 4 D engine code BMW X3 Car had the EML Light illuminated and was showing lack of power The exhaust gas recirculation, or EGR, valve plays a key role in reducing unwanted engine emissions and engine knock. When the oil from the crankcase breather mixes up with the hot exhaust gases from the exhaust gas recirculation, it will creat a few millimeters thick oil soot film in the intake manifold to the EGR valve, reducing the port diameter significantly. In this video I show you exactly how to fix the issue. Model. Drive train malfunction warning flashed doing 70mph and all power was cut. #5 · Dec 19, 2019. Jul 3, 2021 · If your car gets an error regarding the EGR dew system most of the time this may be the reason. This happens when the injectors are bad. After startup EGR moves to, let's say half open (which I believe it should do). E90 LCI 328i xDrive. I do a lot of motorway miles so hope it's not too coked up, but better safe than sorry. X3 E83 LCI. com, type in your last 6 of VIN then search "EGR valve. EGR Control Solenoid Valve for M47 / M57 / M67 Engines. Add to Cart. The EGR valve is typically housed on the intake manifold and permits a measured amount of exhaust gasses back into the engine. They are only filling their pockets. Dec 5, 2014 · Follow the small pipe from the oil filler cap towards the front of the car, and the black cylinder it passes over is the EGR. 20 hours ago · You can expect Lemark EGR valves to outperform any market alternative, often exceeding OE standards. It never changes, cold or warm. Oct 5, 2023 · Engine is warm to operating temperature, it's 24 celsius outside, engine is running on idle the whole time. In this case it's BMW X1 18XD with Feb 21, 2017 · N47 EGR valve. エンジン修理. rw rc ft nb eu qd vh dq ce rz