Bmw vanos solenoid test

a) Use jump wire to actuate Vanos solenoid, and listen for solenoid actuation. Use a 32-millimeter wrench to loosen the solenoid from the VANOS unit housing. These are only a few fault codes for the VANOS system, other codes could also indicate a failing VANOS system. #3: EE Misfire, cylinder 1. Unplug the wirings from the solenoids3. Sep 26, 2023 · The VANOS valve actuators are located on the rear of the engine. 9) Then press Test Schedule on the bottom of the screen. Twist the solenoid to the right and then pull straight out. 2 x vanos solenoid cover gasket (11-36-1-406-838) $15. When "test 1" pops up, keep clicking until 19. BMW VANOS Solenoid (Variable Valve Timing Solenoid) Quantity: 1. If the results are exactly the same then your pistons likely are leaking or you have an internal fault possibly. In idle, PWM for both VANOS valves is 10% – valves are deactivated. The dealer removed and cleaned them for me (at the time I wasn't BMW-versed Dec 13, 2020 · This will prevent your hands from being shredded on the sharp edges of these things. Oct 12, 2017 · BMW E46 / N42: How to remove the VANOS Solenoids (#103): Steps:1. VANOS gear physically connects the cam gear and the cam itself since it has splines on both the inside and the outside. If the teeth are still present then the solenoid pack is the fault. BAD VANOSIf you have BMW 7 series E65, E66, F01 and you want to see how to test vanos solenoids because you have Dec 8, 2018 · While you have the connectors off of the solenoids, verify the voltage to each wire with the key in the 2nd position. to/ia/1AZMX00460This video shows you how to install a new VVT (variable valve timing) Jun 27, 2019 · Swapping the VANOS Solenoids would make the fault follow a bad solenoid to the other cam, but swapping CONNECTORS should cause issues with BOTH solenoids as the cam sensor signal is for the WRONG solenoid. Come to the next screen, toggle on Continue test module, click on Next. You can also go a little further and test the actual intake cam advancement when the vanos unit engages if you have the vanos banjo fitting and compressed air. While at the job, I took the extra time to remove the solenoid pistons and cleaned them with parts cleaner ,and sprayed down the inside also. 1 Install the oil restrictor valve back into the valve body, but do not tighten all the way. Please do that. Figure 1 With the valve cover removed you have access to the VANOS actuator (red arrow). Today I have cleaned my ICV, but the cold idle problem still persist. You will need some aligator clips and some wire. Jan 18, 2013 · Full procedure on how to replace the VANOS solenoids on a BMW 3 Series, 5 Series, 7 Series, X3, X5, X1 or any BMW with the 6 cylinder engine N51 N52 N52K N5 The test can confirm that you have a working coil and moving valve plunge in BMW E46 / N42: How to Test the VANOS Solenoids (#104)Summary:This is a DIY test. Apr 23, 2011 · 8 posts · Joined 2010. Sold per solenoid. Choose 'Bleed VANOS system' and click on Next. Another symptom is rough idling or Jun 21, 2010 · Idle then gets very rough. Oct 11, 2013 · The first step to VANOS NOT OK would be to bleed (ventilate) ths VANOS system. to/2KplXWf Jan 2, 2021 · Diagnosis VANOS Solenoid valves physically & with ISTA-D: Engine fault 2A99#DiagnoseTimingChain #VanosSolenoidValve #PurgingVanos #Fault2A99 #MisfireCounter Jul 2, 2020 · dukedkt442 said: Look into the oil fill cap with a scope or at least small mechanics mirror and a light. In this this video, I'll discuss just what exactly are the BMW Vanos solenoids and which codes come up! Come see!Vanos solenoids from FCP Euro:https://www. Tighten to 3 ft-lbs. Figure 2 Use a 22mm socket on the crankshaft pulley fastener (red arrow) to rotate engine. 2) 48 Intake camshaft VANOS retard valve, Cyl #1-4. to/3J5WuzeElectrical contact cleaner: https://amzn. Apr 6, 2016 · This tone change has now been noted on 2 Z3's after VANOS seal changes. Jul 26, 2022 · Do you really need to clean these on your BMW?Febi vanos solenoids: https://amzn. Feb 11, 2023 · After adjusting the intake camshaft and Vanos timing; The car runs great, has much more power in lower RPM, and a reduction in fuel consumption. Figure 3 Rotate engine clockwise until the first camshaft lobes Oct 29, 2023 · Join our FREE BMW community today and experience the ultimate camaraderie among fellow BMW enthusiasts! Connect, share, and revel in the passion for the icon Aug 21, 2010 · what is the best way to test the vanos for correct operation / leaks etc ? the car runs perfect right now but I feel the car has lost a little bit of that low end "brutal" power that kicks in around 2500 to 3000 rpms, The power delivery seems more linear now through the rev range, not sure if I just got used to the power delivery. When it was still running and ~8min later when it was warm, I reconnected the VANOS power/control connector and it was fine. Misfires and a rough idle. Recommend Test Procedures For Code 212: 1. #5: F0 Misfire cylinder 3. (Very well taken care of) Somewhere around 58k miles, I had a problem with the Vanos solenoids (momentary loss of "power" while at highway speeds). The number one reas Aug 21, 2020 · How to clean vanos solenoids. here are the codes that trigger CEL right at start up. The engine rev's went up and the engine tone went into a cyclic mode. In th Dec 4, 2017 · P1397: Camshaft position sensor B. This system works by adjusting the timing of the intake cam in order to maximize efficiency, power, and torque depending on engine speed, load, and Apr 2, 2018 · Diagnosing a VANOS system does not require that you speak German. The inset on the lower left shows the inside of the solenoid. the black probe of your voltmeter to the negative - turn the ignition till all the lights are on and you should have 12 Vdc. Remove plastic camshaft cover (blue arrow) from cylinder head by pulling up and off cylinder head. Remove the air intake cover2. If it's full of sludge and varnish, then pulling the screens and solenoids is worth the time to inspect. Cold start problems. Overall a test of the VANOS system on each cam: solenoid, spool valve, piston and helical adjuster. This is a Genuine BMW VANOS solenoid for either the intake or exhaust camshaft. This can be done by soaking the Vanos solenoid in diesel fo Nov 26, 2023 · The BMW E60 M54 engine (2004 - 2005) utilizes two VANOS (variable camshaft timing) solenoids -- one for the intake camshaft and one for the exhaust camshaft, mounted to the VANOS actuator at the front of the cylinder head. A common question is: How To Test A VANOS Actuator or VANOS Solenoid. Nov 6, 2008 · The Test: One cold morning, before I started it, I disconnected the two prong plug heading to the VANOS solenoid and started it (effectively disabling the VANOS) and the car started and ran fine. 22/each 4 x vanos oil hose washer (07-11-9-963-072) $0. euroautotraining. Part #: 11-36-7-585-425. Mar 17, 2013 · This video shows how to remove the intake vanos solenoid which controls oil pressure to the VANOS unit. Talent. Makes scence, that you do this while you have it down. BMW vanos solenoid removal and cleaning on my N52 engine. I've looked at quite a few VANOS test results over the last few years and found the following for the tests that passed: - the total stroke is always in the range 64 to 67 deg. Check out all of our On Demand Training videos and Technical Reference Manuals at Feb 15, 2023 · Using ISTA+ to determine the intake VANOS actuator failure on BME B48 engine. Keep on clicking Next. BMW E46 / N42: How to Install the VANOS Solenoids (#106)Steps:1. #14 · Oct 20, 2023. The BMW Repair Guide strongly recommends using a BMW pin wrench (part #83302360895) to remove and install the actuators. Pin 5 Ign Switched +12V. You should get a 2. 3 Add the sealing plate back on the VANOS unit and install back on car. Still failed the test. Apr 17, 2014 · If the exhaust sprocket driver teeth are broken then that is the fault. Although the BMW ETK (parts catalog) shows the vanos solenoid pack is discontinued, it is available under a new part number, 11-36-7-839-180, $600-$700. The actual current value for the solenoid to maintain the VANOS actuator stationary (therefore holding timing constant) is around 750mA. May 18, 2006 · There is a way to test it. Vanos Test Sample. Nov 25, 2021 · BMW E60 M5 / S85 Vanos solenoid RemovalAdd Me On Instagram @BMWDoctorOfficialGo to My Spotify Playlist which has all intro songs used on my videos https://op May 17, 2014 · 4496 posts · Joined 2011. You might be informed that you need to start the car and let it idle before the bleeding can start. BMW E90 How to Test Vanos Solenoid E91 E92 E93 BMW 316i 318i 320i 323i 325i 328i 330i 335i 316d 318d 320d 325d 330d 335d Voltmeter: https://amzn. A larger negative value of offset current is indicative that less current than normal is Aug 2, 2015 · 1. I am specifically working on my 2008 BMW 335i with the N54 engine. One common symptom of faulty Vanos solenoids in BMW vehicles is a decrease in engine power. The solenoid opens a valve that allows oil into the VANOS unit, which then advances the camshaft timing. and we again removed the valve cover and locked the cams and removed the cam pulleys and R56 MINI Cooper Hatchback (2007-11) R56 MINI Cooper S Hatchback (2007-11) Project Time: 2 hours. com http://1aau. Apr 25, 2015 · Just finished rebuilding my Vanos with new seals, this very weekend. Apr 3, 2017 · Put a towel under the bottom (exhaust) solenoid, and change this one first. Ground the VOM somewhere on the engine, & the red wire to each connector on each plug. If a solenoid valve needs replaced, this part is appropriate for both situations, outlet and inlet. 1) 43 Intake camshaft VANOS advance valve, Cyl #1-4. 1. The quantity of oil pressure applied is then controlled by a solenoid, which also regulates the direction—inward or outward—of Jan 21, 2016 · BMW VANOS – Oil, Solenoids, Helical Gears and German Space Magic. On the N55, S55, N63, and S63 engines the solenoid is the same for all cams and banks. to/3Set4TZDonate To The C Nov 7, 2023 · Rough idling: If your BMW’s engine idles roughly and struggles to maintain a steady RPM, it could be a sign of VANOS solenoid issues. First some background. If you need this tool, please see our parts block above. 🚗. They are responsible for direct oil flow to the VANOS actuator and can become restricted over time on high mileage engines. 10) Now you're in a Diagnosis Test schedule and you can see the VANOS ventilation on the schedule list. Given that he cleared the codes and the same ones popped up again this one is done. MSD80 loader 2. . we have done a engine overhaul and when we fix the engine eventually it came up with the fault code 120908 charging pressure control and 130504 VANOS solenoid valve inlet camshaft Stuckedcam. Subject. Or just pull a solenoid to have a look, it's only an electrical Feb 11, 2016 · A check valve is positioned forward of the solenoid in the cylinder head oil gallery. jpg Vanos Test Sample 2. Fits all N52 and N54 engines! OEM VANOS solenoid replacement for BMW N54 and N52 engines. Brand: URO Parts, Febi, or Pierburg. - Locate the two VANOS valve actuators on the rear of the engine. E46 with M56, and E60, E83, E85 with M54 - DME Fault Codes 2896, 2877, 2766. 2A82: VANOS intake solenoid (Part #: 11 36 7 585 425) 2A87: VANOS exhaust solenoid (Part #: 11 36 7 585 425) N55 and N63 owners need to use this VANOS solenoid: N55/N63 VANOS Solenoids. Perform all applicable test plans completely for the faults stored. - 10mm short 1/4-drive socket with a 2" extension reaches the bolts. #4: F2 Misfire, cylinder 5. Oftentimes, the code pops up if you have just replaced your camshafts or upgraded to aftermarket cams. It was so miner that i have spent more than 6 months babying it "NOT RECO Jul 14, 2011 · My car is RHD btw. to/2FuECSaP0015 Crankshaft correlation val May 28, 2015 · N52 Vanos Solenoid HELP! Looking for some education/advice. The entire system is based around solenoids Jan 27, 2007 · In this article you can find information about vanos and the problem it can cause. Poor fuel economy. Service Engine Soon is displayed in CD, or Check Engine Light is illuminated in the cluster. The null current is then applied to that for 750mA +/- 150 mA. i have x5 s63 engine. Dec 12, 2017 · 1. You will need M14 banjo fitting and spare hose for compressor to do this test. #7 · Apr 28, 2011. 8) On the next list, choose again VANOS ventilation. b) start the car. The Vanos system that you likely have in your BMW uses oil pressure to control the position of the intake and exhaust camshafts utilizing a gear on the Vanos actuator and on the camshaft. Pin 4 Exhaust retard Aux 3. Just cut the hose and ad Mar 17, 2011 · 7) Now, on the Motor Electronics list, choose VANOS ventilation. Push and turn the solenoids into the holes. This prevents the possibility of piston movement (noise) within the VANOS transmission system on the next engine start. Nov 2, 2017 · 6. Link for Febi Solenoids: https://amzn. Remove the solenoid b Nov 25, 2019 · The picture at the top of the page is for the S50. I've noticed that over time (from 100tkm to 110tkm) this adaptation has got higher, from 0. unplug the vanos solenoid on the black connector you will see a positive + and - negative sign on the connector. Last was to swap the VANOS itself from Bank 2 to bank 1 and still the issue at Bank 1. 335i Link to solenoids: ht Jan 10, 2022 · Step one vanos test step two swap boards side for each, step three new vanos test in the same conditions. In most cases, the code is triggered by incorrect camshaft timing. The quantity of applied oil pressure is managed using a solenoid, which is a lengthy coil of wire that has been wrapped Sep 29, 2019 · Reinstall the VANOS solenoid unit. The mechanism makes use of a gear on the camshaft and a gear on the Vanos actuator. Replace both VANOS solenoids, change engine oil and filter. #6 · May 17, 2014. 51/each Coolant drain bolt washer (07-11-9-963-225) $0. fc Jun 27, 2020 · Above in your post it sounds like you think I measured the vanos coils for those readings (I assume you refer to the coil as something in the vanos solenoid), but the measurements I gave are for the resistance of the wire, not the solenoid itself; again, the wire going from the DME pins 40 and 41 to the two ends of the wire ending just before Jun 9, 2022 · The BMW-specific 2A82 fault code means that the VANOS solenoid on the intake side is experiencing an issue. 09/each Note: BMW vanos solenoid O-rings have been redesigned to have multiple facets to avoid high oil pressure shredding. A 12vdc power source can be applied to the vanos solenoid to see if it's actuating. Put some oil onto the orings2. It is very convenient to observe the performance of VANOS also in test block of VANOS. herrubermensch and MPBC. 8. 55mm and the running ever more rough. Hesitation when accelerating from a stop. The Vanos system regulates the intake and exhaust camshaft positions using oil pressure. You will also need a scan tool and a scope to observe the A solenoid valve is actuated as your engine revs higher, forcing oil through the system and eventually turning on the helical VANOS gear. I know this tool helps me tremendously and makes the DIY job much, much easier. Jan 9, 2021 · This is a simple test I performed at home using a computer power supply. Unplug the electrical connector, use a 10mm socket to loosen the retaining bolt, and once you can twist the retaining bolt by hand, CAREFULLY back the bolt out by hand. On the Z8, the solenoids valve was a corrective addition for rattle and the mechanism of the rattle is explained a bit here: View attachment Z8_VANOS_s62. 7. In range above 1000 RPM, the valves start to maintain required position. Pin 2 Ignition Switched +12V. Check that the oil filter cap is in place. Apr 20, 2016 · Null current is an offset value, not an actual value. Of course this requires the engine running to do so and takes about 18 minutes. And every 4 solenoids you buy, I will throw in a free specialty tool, T20 Torx Bit to work with the Solenoid Valve screws: 83300495134. Click to enlarge image. The check valve maintains an oil supply in the VANOS transmission and oil circuits after the engine is turned off. 2. - clean the area as best as possible - removing grease in the area using brake cleaner. P0015 Crankshaft correlation value outside ref range2A9A Cam sensor, Mar 23, 2014 · BMW Vanos test. Two required per car. If a solenoid valve needs to be replaced, this part is appropriate for both situations, outlet and inlet. Additionally, the code can also be caused by a short on the VANOS The Vanos system that you likely have in your BMW uses oil pressure to control the position of the intake and exhaust camshafts using a gear on the Vanos actuator and on the camshaft. I am stuck and has no idea how to get this fixed. Bleh. Place the Red prob of the meter to the positive +. In the article they say that Vanos problem can be diagnosed by unplugging solenoid. What I plan to do: Jun 24, 2022 · Buy Now!New Variable Valve Timing Solenoid from 1AAuto. BMW’s Valvetronic technology in 2001, which allowed infinite variability in valve lift, was a testament to the brand's commitment to evolving engine performance. Check engine light. Figure 2 This photo shows the removal of the VANOS unit solenoid. - remove the Vanos electrical connectors and push aside. Jan 30, 2021 · Power loss, especially at low RPMs. This pr Feb 4, 2014 · Testing M52TUB28 double vanos and M52B28 single vanos. one OEM O-ring with part number as 11367836238. Jul 24, 2020 · In this video, Anthony will be replacing his Vanos solenoids in his BMW 335iOur Instagrams: Chris: @chris2. jpg When first playing with INPA on the 3. Complaint. Parts Required: VANOS solenoid, O-ring. Because the VANOS system optimizes valve timing, certain symptoms like power loss will be most noticeable at specific engine RPM’s. Replaces the following BMW part numbers: 11367585776 (11-36-7-585-776) 11367561265 (11-36-7-561-265) 11368605123 (11-36-8-605-123) BMW / By The GearShifters Team. Common Symptoms of Faulty Vanos Solenoids in BMW Vehicles. In the car turn the key to position 2, hold the trip reset button on your cluster (the left one) until you see "test 1". It's a pain to remove these things while on the engine, but can be done. . Valvetronic seems to react and increases adaptation to 0. Jun 25, 2018 · Ever since i got my BMW e90, it had a very small leak around the 2 vanos solenoids. Unusual engine noises: Rattling or clunking noises from the engine bay might be a sign of timing HOW TO TEST VANOS SOLENOID ON BMW X1 E84If you have BMW X1 and you need to test vvt vanos solenoid because you have engine light and code that relates to vvt Jan 14, 2009 · B12 202 04. com Feb 19, 2022 · BMW N20 Intake Vanos Actuator Removal and BMW N20 Exhaust Vanos Actuator Removal. Tools: Set of sockets 10mm, flathead screwdriver. Complementary Modification: Replace in pairs. two OEM screws with part number as 11367839846. 2007 328xi N52 with 148k on the clock. Make sure that your SYMPTOMS OF BAD OR DIRTY VANOS SOLENOID ON BMWIf you have BMW sooner or later you may experience symptoms of dirty or bad vanos solenoid. BMW 1 SERIES TEST VANOS SOLENOID BMW E81 E82 E87 E88 F20 F21If you have BMW 1 series e81 e82 e87 e88 or f20, f21 and you need to test vanos solenoid or you w Oct 16, 2023 · Solenoid Maintenance: Clean VANOS solenoids periodically and replace them if cleaning doesn't resolve performance issues. Pin 6 Exhaust advance Aux 4. Dec 17, 2023 · Experiencing issues with VANOS Solenoids? In today’s video, Jake covers a complete guide to understanding the VANOS system, specifically focusing on the cruc Jul 20, 2019 · P1519 (BMW 212 0xD4) This engine fault code means that the VANOS system does not have enough (or any) travel. comA simple animation showing how VANOS works. If the completed test plans results are inconclusive, then proceed to step 2. the car runs and idles just fine. Tighten to 7 Nm Feb 24, 2017 · Here are the codes I was getting before having it worked on, per a BMW scan tool: #1: 68 Control VANOS, end-pos. The way BMW went about solving the variable valve timing puzzle is simple yet ingenious. The gear gently inserts itself into the gap between the cam and the camshaft gear. When you reach test 19, stop clicking until you see "test 19. These are very special O-rings and are only available from Nov 24, 2019 · In this video I show you how to replace your Vanos solenoids on your N5X engine. The following camshaft sensor related fault codes are stored in DME: FC 2896 - Intake camshaft sensor, signal plausibility or. 3. Jun 16, 2018 · 1. Feb 14, 2021 · Ever wondered how the Vanos units are doing and if your timing chain is stretching? What about that rattily valve train in your BMW Engine? Here's how to fin Jun 17, 2023 · 2. Once your SMG module is unbricked and the engine will start, perform the bleeding a couple of times, then run the performance test again. VANOS and the Future of BMW. 45mm to 0. /F6/F1/F2. VANOS is a system that varies the timing of the valves by moving the position of the camshafts thus allowing the timing between intake and exhaust valves to be changed. It needs a new chain, new sprockets, oil flush and the sump needs clearing. A long coil of wire wrapped several times, called a solenoid, controls the amount of oil pressure that is applied. At lower engine speeds, the position of the camshaft is moved so the valves are opened later, as this improves idling quality and smooth power development. O-rings included. As for tools, you will need the appropriate tool set to lock the crank and camshaft. Tried that. Like. #6: F3 Misfire, cylinder 6. Apr 30, 2022 · It’s important to ensure a good cleaning of the solenoid prior to activation outside the vehicle. Next I swap the solenoid from Bank 2 to 1 but still failing the Bank 1 test. Sep 2, 2020 · How to remove and replace the vanos solenoids on the BMW N52 and N54 engine. e90. I take the results as indicating how fast the VANOS can change cam position in each direction and how accurately it can hold a position. If the head is spotless, your screens and solenoids likely are too. Ask the possible short test question No. 01/26/2004. Sep 27, 2019 · If you are experiencing rough idling as well as fluctuating idle or even timing related engine fault codes on your N55 BMW try replacing the vanos solenoids Mar 4, 2013 · The vibration was also noticed prior to the vanos swap, and prior to the CEL that made me investigate an issue with the vanos. #BME #VANOS #actuator #diy Apr 2, 2022 · In this video I will show you how to set timing on a BMW N20 or N26 Engine AND How to remove replace or install the intake VANOS unit, exhaust VANOS unit wit Oct 19, 2017 · Above in your post it sounds like you think I measured the vanos coils for those readings (I assume you refer to the coil as something in the vanos solenoid), but the measurements I gave are for the resistance of the wire, not the solenoid itself; again, the wire going from the DME pins 40 and 41 to the two ends of the wire ending just before Two different problem codes, 2A87 "Outlet-Vanos variable cam control test" and "2A82 Inlet-Vanos variable cam control test", are thrown indicating the possibility of various VANOS-related problems. Jun 5, 2022 · 1 post · Joined 2023. :dunno: BMW E60 M5 S85 / S65 How To Perform Vanos Bleed Procedure Add Me On Instagram @BMWDoctorOfficialGo to My Spotify Playlist which has all intro songs used on m May 19, 2011 · http://www. 0". Jul 2, 2018 · HOW TO TEST BMW VANOS SOLENOID 325i 328i 330i 525i 528i 530i x5 x3 316i 318i 320i 323i 335i 320d 318d 330d 335d 520d 530d 535d 520i 523i Our Website: http:/ See full list on bimmers. Includes Gaskets! URO is going to be the best “value” option, Febi is a mid-tier replacement, and Pierburg is top of the line. Loss of power: A noticeable decrease in power and acceleration could indicate a problem with the VANOS gears. The VANOS unit changes timing to advance or retard ti The function of the BMW VANOS solenoid. 3. What it does demand, however, is knowledge of how the actuator adjusts the camshaft, how the solenoid controls the actuator and when the engine control module changes camshaft timing. 9. Dec 6, 2013 · Apparently the idea of the VANOS accumulator shut-off valve isn't original to the S85 (I am S62 illiterate, please forgive me). I dont know the colours of the factory wiring but the S54 Vanos solenoid should be wired as follows: Pin 1 Inlet retard Aux 1. Now click once and it'll go back to Oct 14, 2020 · BMW E65 E66 F01 HOW TO TEST VANOS SOLENOID. 2 Install the solenoid pack on the valve body using the four torx bolts. This is the piston full-stroke from stop to stop, calculated by the retard degrees minus the advance degrees. 5mm or so, mode is now "Partially throttled" and idle become bearable, just. 023 offers also the possibility to observe PWM values, supplied to VANOS . Pin 3 Inlet advance Aux 2. Changed the CPS and still the same. 0fio Anthony: @that. A mechanical restriction or electrical failure of the VANOS solenoid and/or the electrical circuit can cause insufficient oil supply to the VANOS assemblies as well. Jul 30, 2014 · Get a digital volt meter. That has then gone into the sump. Perhaps you have an issue with the Cam Sensors or Connectors? Once again, check wiring colors on Sensor & Solenoid Connector wiring. Mar 26, 2018 · I feel like the freezing weather might've caused very low battery voltage. 0 L Z3 (MS43 DME), I activated the VANOS. pdf. Check Vanos solenoid control circuit. I could have used the car battery but this worked just as well. Tab: $260. fault, exhaust camshaft (OBDII: p1520) #2: 6A Control VANOS, position, exhaust camshaft. If you’ve ever wondered what VANOS stands for, it’s “Variable Nockenwellen Steuerung,” which literally means Variable Camshaft Timing. Performance Gain: Remedy fault codes and restore engine performance. Two different problem codes, 2A87 "Outlet-Vanos variable cam control test" and "2A82 Inlet-Vanos variable cam control test", are thrown indicating the possibility of various VANOS-related problems. VANOS is BMW’s version of variable valve timing (VVT) that was first introduced in 1992. Post seal change logging has not been done at this stage. That will tell you where you have issues. Mar 4, 2016 · Specified values for the M54 were 1000 ms for advance and retard, +/- 5 for leak. 8 volts on one side, & 12 volts on the other side if the plug. Another update guys, it took 4 hours to diagnose the fault, turns out the plastic guide for the timing chain has snapped and bent a few sprockets. I had the timing check and readjusted. bz qv rb oj gf bv wj uv an wi