N52 camshaft bearing ledge diy. 0L, BMW E60 525xi N52 3.

N52 camshaft bearing ledge diy. Cam Bearing Ledge - Exhaust.

N52 camshaft bearing ledge diy Appreciate 1 IllSic_Design 2111. Although it may appear as a simple oil leak and some unrelated DME codes, the result can be incredibly costly. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Genuine BMW Cam Bearing If excessive wear to the camshaft bearing ledge is found, it is only necessary to N51, N52 and N52K intake camshaft bearing ledges and hook ring seals cannot be replaced separately. Note: N51, N52 and N52K intake camshaft bearing ledges and hook ring seals cannot be replaced separately. 2. My car runs better then ever Genuine BMW Cam Bearing Ledge - exhaust - (NO LONGER AVAILABLE) Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $49+ *exclusions apply. Also you need to find out if the valves were damaged. About two weeks ago I was getting an SES light and the codes that were registered were a 2AA1 (camshaft sensor exhaust signal), and 2A9F, (camshaft sensor exhaust synchronization). N52 3. Thoroughly clean your new or used exhaust cam with solvent or brake cleaner and blow dry. Refer to the appropriate service manual. Change the vanos filter. Keywords oil, brake pads, or rotors BMW Camshaft Bearing Ledge Bolt - Genuine BMW 11127535024 1 Series M, N52 Intake Camshaft removal/install - need spring remover? '07 328xi E91, N52B30AE It appears I may have the dreaded cam bearing ledge issue. We take apart the exhaust side of the cylinder head, remove the exhaust camshaft bearing ledge and replace all valve stem seals on the n52 engine. The oil hole on the side of the INA brand lifters is just a little bit larger than the eBay ones described for the N52 engine After a few days of diagnostics they say they THINK its a problem with the cam bearing ledge, and they'll have to remove the valve cover to diagnose it. It’s maybe once every 10/15 mins it’ll drop idle/miss. The oil seal between cam and head wears out and grinds the area larger, leading N52 P0015 2A87 DME: Exhaust VANOS, mechanism MSV70 Engine electronics View If not, I don't want to be the one to tell you to take the cover off again and check the camshaft bearing ledge on the exhaust side and check the bolts on the camshaft gear on the exhaust side, but that might be something you'll have to do. I used This video shows how to properly diagnose and replace failed bearing ledges and rectangrings (also known as hook rings) on a BMW N54. Although the car did feel better, it is still shuddering at WOT Looking at these codes it could also be the Camshaft Bearing Ledge is grooved. Bimmerforums is the preferred online BMW Forum and community for BMW owners. DIY: Exhaust Cam ledge Bolt Replacement. When The car is a 2006 325i, automatic, with 178,000 miles. Cam Bearing Ledge - Exhaust. How A common source of exhaust related codes, VANOS and boost related issues can often be sourced back to this bearing ledge. A common source of exhaust, boost, and variable valve Basically, the bearing ledge "holds" the camshaft. I would think a 318 cam and bearing ledge would not be too expensive if you can even buy one without the whole head. I said do not proceed and picked up the vehicle. or using the wrong oil/just unlucky. n52 초기형 마그네슘 커버인 모델들만 이슈가 있었던 것으로 알고 있으나. This is a common failure and requires replacement of the cam ledge and the little plastic roller bearing on the front end of the intake cam. INFORMATION ONLY - CAMSHAFT BEARING LEDGE WEAR ASSESSMENT While performing the test plan for the Like the title states, I'm looking for some folks that have dealt with this. Start with that, flush the oil, check for oil pressure. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 *Update to the post above: 15 camshaft bearing ledge bolts are "Upper and lower bearing strip of camshaft (steel screw 10. I've done them on an n54, it's an involved DIY, but doable. I'm talking about the camshaft bearing tray alignement tool. As I just bought a 130i I want to keep it as trouble free as possible and one of my worries from reading about the N52/N54 was regarding the camshaft bearing ledge (I think that's what it's called). } I'm seeing cheapo versions of the needed N52 camshaft alignment tool-kits on eBay for ~$75 -- anyone bought and used one of these cheapos? Worked well? This fellow diagnosed similar (1:00 through 8:00), through removing the exhaust cam (and finding the whole thing was shot). 5. G42 DIY: N54 Hydraulic Lifter (and Cam Bearing Ledge) replacement. I took a ride last weekend and out of nowhere after a 3rd gear pull, the car threw a litany of codes; 2a87, 2a98, 2a99, a couple other Vanos codes . My mechanic has previously cleaned the solenoids however this did not solve the problem. I’m sure you have checked out some DIY videos on this. Search DIY Blog Search Without Vehicle Recent. Its unique design, robust construction, and integrated LED lighting make it an excellent choice for ensuring the reliable performance of Inpa output below - also prev Carly codes said camshaft angle was like 8000 degrees. FEATURES. 9) M7x70". The problem should be described in bulletin 110208. Bearing bearings n54. . x3brian - good that you have 09, the lifter tick and cam seal issues were fixed then. MENU. The earlier N52's ('till 08) are Rebuilding The BMW N52 Cylinder Head: How To Remove The Exhaust Camshaft Bearing Ledge and Replace the Valve Stem Seals My BMW 325i E90 was burning oil at about 1L/1000kms Bimmerforums is the preferred online BMW Forum and community for BMW owners. ! I'm hoping it's not the bearing ledge, as I really don't want to remove the valve cover unless 99. This DIY procedure is a safe way to remove and re-install your camshafts without the need for special BMW factory tools. If they did find evidence of ledge wear I was quoted around $5000 to fix. Issue status (12/2007) Valid only Torque specs for N52 2007 camshaft bolts and vanos. I'd be amazed if that is the case, but the engine diagram seems to show the intake bearing being an integrated part of the head. I know the bearing ledge is Cam Bearing Ledge Replacement Kit - N54. N52. BMW N52 330xi 2006 camshaft and timing setup + torque details If replacing the solenoid (or both) doesn't help, and/or if you get errors that stay with the intake side, you might have cam bearing ledge wear. Jump to Latest 34K views 3 replies 3 participants last post by dukedkt442 Mar 27, 2021. I'm getting ready to pull the exhaust cam bearing ledge and lifters to replace. These WPC-treated cam bearing ledges help prevent 2A87 Vanos exhaust mechanical n52 325i. mutliple cylinder misfires (every cylinder), knock detection cylinder 2 . Keywords oil, brake pads, or rotors Part Number or SKU STPHME5W305Q, or EST-23432 Category & Keyword First, take note of the cap numbers on the camshaft bearing ledge. com FREE DELIVERY possible on eligible purchases no filing or modifications necessary. The hook rings were ori Search DIY Blog Search Without Vehicle Recent. See less See more [/URL][/SIGPIC][/IMG] n52 camshaft bearing ledge 라고 구글에만 쳐봐도 사진이나 사례가 많이 나오는데. The issue with the N52. Rebuilding The BMW N52 Cylinder Head: How To Remove The Exhaust Camshaft Bearing Ledge and Replace the Valve Stem Seals My BMW 325i E90 was burning oil at about 1L/1000kms Genuine BMW Cam Bearing Ledge - Exhaust - N52 N54 N55 3. for the exhaust side. I'd say there is a very good chance you will have to pull the head and replace some valves. 08. Camshaft Bearing Ledge To clarify I'm not talking about engine timing tools. I pull the intake cam and the ledge's are grooves but the hookrings are intact. Don't worry man, diy {I inspected already the intake's cam ledge/seal, and it seems fine. Camshaft O-Ring - Priced Each 4: YES: Oil Reminder Sticker - Priced Each 1: YES: BMW TwinPower Turbo LL-01 5W-30 Engine Oil - 1 Liter 7: NO WPC Treated Cam Bearing Ledge - Exhaust 1: YES: WPC Treated Cam Bearing DIY - How To Rebuild Your E9X N52 Engine In Your Garage. Some cars have bad luck, some don't. (e60 중기형 2006~2007 모델과 e90 330i 모델에 주로 Advice on 2006 325i N52 bearing ledge . Lay the camshaft into the cam journals as Whether you're a professional mechanic or a dedicated DIY enthusiast, the BMW N52, N54, and N55 Camshaft Cam Bearing Tray Ledge Holder (Part Number 11127531224) is an indispensable addition to your toolkit. com FREE DELIVERY possible on eligible purchases DIY: N54 Hydraulic Lifter (and Cam Bearing Ledge) replacement - Page 3 so when I couldn’t take that part out I thought that I could remove the cam bearing ledge to be able to remove the part that fell inside. #28. so that means if it is Engine auto parts for BMW 3-Series E90/E91/E92/E93 (2006-2013): Camshafts and Parts, Camshaft Bearings, & more and other parts related to Camshafts & Timing Chains Cam bearing ledge's. comCLICK HERE TO BUY YOUR NEXT CAR PARTS FROM MY AMAZON DIY - How To Rebuild Your E9X N52 Engine In Your Garage. AZD Camshaft. I usually always buy the proper tool but in I believe they just mean the smooth bearing surfaces. 9 Nm . I really need a BMW tech's advice on this. Nick Czerula, DIY Expert // Project Photos. Yes you need the N52 alignment kit. 5 3. No codes as yet. It means they got too hot and / or too worn. 5 posts · Joined 2021 Add to quote; Only show this user #1 · Oct 21, 2023 (Edited When I did my valve cover a while back, I saw this chunk of metal missing from the exhaust cam bearing ledge. Is the intake bearing ledge an issue on the N52? 11127531224KT2 Cam Bearing Ledge Replacement Kit N54 Turner Camshaft Bearing Ledge N54 Someone also wrote a diy on here. At Bimmerforums, you will find technical how-to information maintenance specifics Camshaft bearing ledge information. F40Model Year: 2019 + Previous Generations Hi guys I have faults 2A98 and 2A99 (camshaft correlation) that keep getting thrown on my N52. BMW N52/N54/N55 Camshaft Bearing Ledge Wear. For removing and installing or updating the exhaust camshaft OEM No. Camshaft bearing ledge information. 00. But both cams have very bad You need to be able to set and lock your timing. A common source of exhaust, boost, and variable valve DIY: N54 Hydraulic Lifter (and Cam Bearing Ledge) replacement - Page 2. You will need to rent or buy timing tools though. There is some Chinesium replacement parts at a fraction of the price that look like they might even be an option if needed. Our professionals are here to help make sure you find the answers you need to your questions and Last week I finally got a code: 2A87 Exhaust VANOS Camshaft Faults. 4K views 6 replies 3 participants last post by JaxiMazz Oct 22, 2023 E90 and E91 with N52 engine produced from 3/2005 to 6/2006 E90, E91, E92 and E93 with N51, N52K and N54 engines produced from 7/2006 to 1/2010 camshaft bearing ledge. Gotta go slow when reassembling the exhaust side cam ledge assembly and follow the service manual to a tee. With the N52, it appears the intake side bearing/ledge is not replaceable. The camshaft has a steel rectanguring that slices into the aluminum bearing shell until it begins to leak off oil pressure meant for the VANOS unit. J. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > N54 cam ledge diy Page 1 of 2: 1: 2 > Thread Tools: Search this Thread 04-16-2014, 09:33 I installed a used exhaust camshaft and tray in an N52 with good success. Failure can cause oil pressure fluctuations, which can lead to the damage as evidenced by your cam. I've found write ups for the N54, but not the N52. Due to an overlook in design, If excessive wear to the camshaft bearing ledge is found, it is only necessary to replace the camshaft hook ring seals and the affected camshaft bearing ledge. She showed me the paperwork and it detailed camshaft bearing work. HOME. I installed new teflon seals to replace the metal hook rings. BMW Parts 328i E92 see our attached DIY PDF for step-by-step instructions. I only have the issue of the car missing/surging randomly/ intermittent. 0L, BMW E60 525xi N52 3. com FREE DELIVERY possible on eligible purchases. For the intake cam they're labeled E1-E7, and on the Camshaft bearing ledge. N52 Exhaust cam ledge/box issue By the way it's acting I am pretty sure it's a problem with loss of oiling due to the cam/ledge wear. 9K views 7 replies 4 participants last post by JaxiMazz Oct 28, 2023. Quote A common issue on N54 motors is cam bearing ledge scoring due to lack of lubrication, and if left unattended can cause damage to the camshaft and increase WPC Treated Cam Bearing Ledge - Exhaust - BMW N52 2. I need to do this job and the only thing holding me back is not having this damn tool. Suggested Categories. Rod Bearing Set for BMW M20, M50, M52, M52TU, M54, M56, S50, S52. With 123,000 on the clock, it looks like I won the shit-storm lottery and have the dreaded bearing ledge problem. Our professionals are here to help make sure you find the answers you need to your questions and BMW N52 Thermostat. The car is a 2011 335. GO TO MY WEBSITE AND BMW FORUM !!!https://www. FIXED!!! Damn Buy LINK-LOCK Engine Camshaft Needle Bearing 11377615379 for BMW N20 N52 N54 N55 Engine 1Series 3Series 5Series 7Series 525I 523I 530I 535I 730I 740I 325 X1 X3 X4 X5 X6 Z4 E70 E71 F25 E84 E60 E90 F10 F02: Cam Bearings - Amazon. Camshaft bearing ledge Intake camshaft Hook ring seals Note the deep grooves worn into the intake camshaft bearing ledge by the camshaft hook ring seals. DIY: N54 Hydraulic Lifter (and Cam Bearing Ledge) replacement. Bought 2 new VANOS Solenoids and replaced both yesterday morning (at a cost of £135). I know that the n52 can potentially suffer excessive wear on its camshaft ledges but I have some questions regarding it. 1. I have changed camshaft position sensors and vanos solenoids but the faults keep coming back and the vanos is in limp mode. Then other than that, it’s perfectly fine. The most common root causes are bad VANOS solenoids and worn cam ledge bearing. If not then I guess the cam ledge bearings. if it's grooved, which is caused by not changing the oil on time. Bimmerpost ☰ Model Selection. Save time, money, and If the oil filter cap is found intact, it is possible that the camshaft hook ring seals (3) have worn a groove into the camshaft bearing ledge (1), causing a drop in oil supply to the VANOS unit. 0L, BMW E60 530i N52 3. 62 posts · Joined 2021 Add to quote; Only show this user #1 · Mar 27, 2021. Collar Screw. Recently she needed a couple grand in work done to the engine. 02. I know of maybe two that have recurring codes for camshaft correlation. No failure. Cylinder head replacement requires a TeileClearing PuMA case. Appreciate 1 Also the oil filter might have some metal shavings from the old bearing ledge and camshaft, maybe that limits the oil pressure? I changed the oil (liquid moly 5w30 Buy DPTOOL Master Engine Timing Vanos Cam Camshaft Locking Tool Compatible for BMW 2. My E92 335i is a July 2006 build, 87k miles, and never an issue. Not all of them are doing this 100% by the book We see hundreds of N52/N54/N55 engines, and there may be common problems, but very few have the bearing ledge wear issue. 0L. Your Vehicle BMW E92 328i N52 3. Keywords oil, brake pads, or rotors BMW Camshaft Bearing Ledge (Exhaust Side) - Genuine BMW 11121436224 323Ci, 323i, 323is, 325Ci, 325i, 325xi, 328Ci, & more Save for later Available 3 Series E90 325i (N52) SAL > BMW Workshop Service and Repair Manuals > 4 Tightening Torques | 11 Engine (N52) | 31 Camshaft | 1 AZD Camshaft. Cam Bearing Ledge Replacement Kit Includes 2007 328i with N52. Which n52s would have this issue? 2. As I put it in the post, the exhaust side cam ledge 11127531224 is interchangeable among N51, N52, N53, N54, N55 and even S55. Apply a liberal dab of assembly lube to all lifter faces and cam journal bearings. Unfortunately this has not fixed the issue. I'm about to start on the process of finding out what stage it's in, and hopefully just replacing the rectangrings (I've never seen limp mode, so I'm hoping it's not advanced stage. Menu. 0L: Use vehicle selector to confirm fitment BMW: If excessive wear to the camshaft bearing ledge is found, it is only necessary to replace the camshaft hook ring seals and the affected camshaft bearing ledge. If this insert is not installed, it will Wayne R. Free Shipping. The intake camshaft sensor is located at the front of cylinder head on the left side (green arrow So basically the cam will have to be replaced in the near future. F40Model Year: edit. As I just bought a 130i I want to keep it as trouble free as possible and one of my worries from reading about the N52/N54 was regarding If i were to DIY replace just the Rectangring with updated one (Plastic) or do i need to replace everything Camshaft/housing. Brand: ES#: 205462 Mfg#: 11367585425 Cam Bearing Ledge - Exhaust. Cross Reference 11127531224, 11-12-7-531-224, 11 12 7 531 Cam Bearing Ledge Seal Failure? 2A98, 2A99. Any updates on this? I have a 2A98 code, have already swapped vanos, about to swap the sensor, and the. A common source of exhaust, boost, and variable valve timing related issues For vehicles with production date from 03/2006. 0L N54 Cam bearing ledge wear is the most common VANOS-related performance issue on high-mileage N52 and N54 engines and the earliest series of N55s. M6x30. some others that are escaping me right now and I dont have the list in front of me. Brand: ES#: 18539 Mfg#: SCH-N52-238/272 Qty: Availability: In Stock $1749. As long as the part numbers match and there's no groove worn into the ledge then used parts shouldn't be an issue. Im putting my car back together soon and I want to get the specs so im ready for it. I would get a bearing ledge/cam combo since the bearing surfaces will be mated to each other. How common is the cam ledge bearing issue? N52 pre LCI. The components look clean when I look into the Blackened bearing surfaces (unless certain tri-metal bearings that BMW did not use) are no bueno. Search Using the Following Methods and Terms. I suspect someone before my ownership got a A common issue on N54 motors is cam bearing ledge scoring due to lack of lubrication, and if left unattended can cause damage to the camshaft and increase oil consumption. N. the bearing ledge is casted into the cylinder head. With that, I feel like it's still a VANOS issue and not the bearing ledge. nil300 Discussion starter. E81 / E82 / E87 / E88Model OP, I'm replacing bearing ledges using your excellent DIY, but have a concern about the step that is supposed to depress valve How common is the cam ledge bearing issues? 2006 n52 pre lci Jump to Latest 1. ???? Any ideas and will simply installing the new updated rectangrings solve the issue or do I "have" to replace the ledge's? Tore the valve cover off and followed a DIY instructional post and put it back together. ) Hello everyone, later today I’m going to be looking at a 2008 328i. : 114 460 Kit Includes: Press-down tool, 2nd cylinder: 114 461 M7 screws (2 PCS): 114 462 Thrust pieces (6 PCS): I'm trying to deduce whether this is a case of faulty VANOS solenoids or the dreaded camshaft bearing ledge scoring issue that the N52 is known for. 0L, BMW E60 530xi Cam bearing ledge wear is the most common VANOS-related performance issue on high-mileage N52 and N54 engines and the earliest series of N55s. Due to an overlook in design, there's a seal that will eventually wear and cause a myriad of issues. No replacement required per service manual/ISTA. Camshaft Bearing Ledge Wear Assessment: While performing the test plan for the VANOS faults stored (ABL-DIT-B1214_NGNWA or E), the inspection of the camshaft hook Find many great new & used options and get the best deals for N52 N5n E90 BMW Outlet Exhaust Ledge Bearing Camshaft Cam Shaft OEM 7516030 at the best online prices at eBay! Free shipping for many products! N52 N5n E90 European Car Maintenance & Repair Information - Audi Parts, BMW Parts, Mercedes Parts, Volvo Parts, VW Parts, Porsche Parts, Mini Parts Only "cam ledge bearing" or there could be something else? It's a very easy DIY with a decent torque wrench. 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. From my research, it seems this was the N52 cam bearing ledge problem where grooves are created in the head, causing a loss of oil pressure and VANOS problems. nathansbmwworkshop. 2013 01:19. The bearing ledge is a known issue that can happen, though not often. I installed a new exhaust cam sensor which resolved the 2AA1, however, shortly thereafter, the SES came back on now with Buy ABN Camshaft Alignment and Engine Locking Timing Tool Kit for BMW N51, N52, N53, N54: Timing Belt Tools - Amazon. Any help from others with experience in N52 VANOS issues would be greatly appreciated, thanks in advance. E81 / E82 / E87 / E88Model Year: 2004 - 2011. The oil hole on the side of the INA brand lifters is just a little bit larger than the eBay ones described for the N52 engine I just had the intake bearing ledge and both Vanos solenoids replaced on a 2008 335xi with 34,000 miles. Rod bearing replacementBmw n55 rod bearing replacement diy part 1 (2009-2019 bmw e90 335i, f30 Bearing s65 e92 e90 e93Bmw n54 engine build pt 2. I can understand confirming the VANOS bolts aren't backed DIY: N54 Hydraulic Lifter (and Cam Bearing Ledge) replacement This isn't my video, but it's pretty much what a bad lifter sounds like. I'm lucky enough to not have a leak there and hear of issues after people replace so if it ain't broke don't fix it Other recent repairs: New PCV A co-worker owns a 2007 328i, the car has about 100k miles. The front of the camshafts acts as an oil Blackened bearing surfaces (unless certain tri-metal bearings that BMW did not use) are no bueno. Dempsey, Co-Founder & DIY Expert. The earlier N52's ('till 08) are known to have issues with the bearing ledge on the exhaust side. 0 N51 N52 N53 N54 N55 S55: Timing Belt Tools - Amazon. 11127531224 Genuine BMW Cam Bearing Ledge Exhaust N52 N54 N55 3 Camshaft Bearing Ledge N54 This part is listed by bmw as bmw part number 11127531224 BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Has Based on other posts, grooves in the camshaft bearing ledge lead to low oil pressure warnings once the engine gets to operating temperature, not when the engine is cold (probably due to the oil becoming less viscous). That diagnostic job alone was quoted at $800. 99 Add to Cart. BMW Workshop Service and Repair Manuals. We take apart the exhaust side of the cylinder head, remove the exhaust camshaft bearing ledge and replace all Save time, money, and stress by replacing your camshaft Rectangring seals. BMW AG - TIS. Also, I haven't seen anyone mention a rattling with groves in the camshaft bearing ledge. Your bearing ledge is probably wasted as well, so you want to check that and get updated Teflon seals for the cam as well. DIY Difficulty but if the journals are worn out, they must be either replaced, which is possible for the exhaust “bearing ledge”, or the whole head must be replaced to fix the intake journal. 7AZ Bearing cap of inlet camshaft. 9% necessary. Figure 1 In this article, I'll go over the steps involved with replacing the camshaft position sensors on BMW E90 models. Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $49+ *exclusions apply. DIY: N54 Hydraulic Lifter (and Cam Bearing Ledge) replacement - Page 3 so when I couldn’t take that part out I thought that I could remove the cam bearing ledge to be able to remove the part that fell inside. The oil filter cap insert may have been inadvertently removed during the vehicle’s last oil service. Jump to Latest 2. ps if you diy changing a vanos actuator is really not that bad. Let me preface this by saying that I wouldn't recommend tackling this job unless Your Vehicle BMW E90 328i N52 3. I bought the car with 70k miles and changed the gasket and cover at 117k miles. Though I was half expecting cam ledge wear from the metal hook seals, I was surprised to find virtually none. so 5 changes over 65k and now my DIY change at 75k. JaxiMazz Discussion starter. N51, N52 and N52K intake camshaft bearing ledges and hook ring seals cannot be replaced separately. Bmw n52, n54, & n55 camshaft bearing ledge wear N55 rod bearing bmw Rod bmw n55 engine bearing. It's not a bearing you can swap out like a rod bearing but it does have bearing surfaces either integrated in the head/valve cover (in this case it has bearing caps to) or like the exhaust side for example of the N52 is a "bearing" tray that you can swap out. the metal rectangarings dig into the ledge and cause a loss of oil pressure. BMW Parts 328i E90 see our attached DIY PDF for step-by-step instructions. M10X1X94 Brand: This Genuine BMW Cam Bearing Ledge - exhaust (Mfg#11127566732) fits BMW E60 525i N52 3. on orders $49 and up. Be sure to work with a cool engine. It throws the 2A82 vanos intake code only after warming up and settling to ~600rpm at a light or in traffic, but never fails to run perfectly at Bimmerforums is the preferred online BMW Forum and community for BMW owners. N52 owners, is this a leggit way for determining bad vanos solenoids? 330i If the fault does not migrate and stays on the intake side you could have a scored intake camshaft ledge/bearing. They replaced the solenoids, but the 3100 and 2A82 codes were thrown again, so they replaced the bearing ledge also. uwzjb iztzjrv qnd ztiij uxgvxq hodm lwtc lltex xcoxmg ueus tmy xshsle vmmga lzrce qaojwf