You cannot hear it in idle. The engine will factor in the oil and coolant temperature into the time allowed for the actuation. The system can augment and even eliminate the EGR valve by allowing some of the exhaust gas to remain in the combustion chamber to control combustion temperatures and NOX emissions. I don't know what else it could be, the belt looks fine and the tensioner spins very freely and keeps the belt as tight as it should it just rattles about when the car idles and stabilises when I give it revs but only makes noise when I steer, any ideas? The RPMs also drop while it is rattling. I second the check the alternator pulley comment. I would definitely check all the pulleys! Wastegate rattle? This can cause a rattling noise at startup and idle. A sign that your turbo is soon to fail is a wastegate rattle, and replacing the turbos is RIDICULOUSLY expensive. VW and Audi TDI forum, Chevy Cruze diesel forums, VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum, Mk5 VW Jetta, Sportwagen, and Audi A3 TDI forum, VW Mk6 Golf, Jetta, Beetle, Sportwagen TDI forum, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. BMW used flawed wastegate actuator rods in N54 cars (x35i) with build dates up to 09/07. Nothing still had the rattle. We’ve driven it a bit since then, and the idle still seems rough a lot of the time, and I can’t tell if I’m feeling more vibration than before when driving or in park/neutral. This vanos is manufactured with loose piston bearings. The N53 and N54 straight-six has unfairly earned a bad reputation for reliability with technicians due to timing chain and variable valve timing problems. Archived. At lower engine speeds, the VANOS system opens the valves later during the intake stroke, increasing the vacuum and scavenging effect generated by the piston traveling downward in the cylinder. If I leave off gas the rattle goes away and it idles great. Here is a vid of this tendency in a N54 BMW Starts really showing it at 45 sec mark. BMWFanatics Forum › BMW Models › 3 Fanatics (E21 E30 E36 E46 E90 E91 E92 E93 F30) however, once the rpm drops to 1200rpm the rattling begins. Metalnerd's latest version of the alternator pulley wrench bits allows for in-vehicle replacement... FYI, there is a writeup contest for original pictorials, if you want to take pics of this procedure and show the use of the pulley removal bit, it would really help everyone and also qualify for the contest to win a prize! When sliding the serpentine belt off (or putting it on), I would start (or do it last for re-mounting) at the smooth rollers (circled in the picture). I'm planning to do the timing belt next month and will replace the serpentine belt and tensioner at the same time. Wastegate rattle? When the VANOS system on the N53 and N54 is not working, the most common symptoms are poor idle quality, reduced power and poor fuel economy. BTW i had the lifters changed already because it was ticking before. The greater the load (vehicle is in operation), the less the vacuum. (N54) Close. JavaScript is disabled. But without any solution yet :-(Maybe you could help me The Car: Build: 12/2006 … Vehicle: 2000 Jeep Cherokee Sport, 4.0L, 6-cyl, 94K miles, 10W-30 oil (OEM spec) I’ve always used full synthetic oil in this vehicle, due to the sub-zero winters we have here in Minneapolis that turns non-synthetic oil into molasses. 2007-2012 BMW N54 Twin Turbo -- The Engine That Started It all! Turn on your car, and let it idle for a few seconds, then let it rip, open it up to about 4.5k -5k RPM, now your really going to see what kind of crap is in your motor, smokes like a mother. The N54 debuted at the 2006 Geneva Motor Show and was launched in the 335i model of the … Twin-turbo failure on the early model E90s with the N54 engine is infamous. 202 engine rattle at idle - posted in Engine: Righto 202 specs unknown but has some work ie cam,mild port by the looks. September 6, 2019 at 4:05 pm. Sale Regular price $599.00 Select Flywheel Select Bolt Pattern. General N54 Content. N54 Vanos Solenoid Replacement. It changes if the rpm is raised, a/c is turned on or steering is turned. The latest versions continuously adjust the position of the intake and exhaust camshafts for better power, efficiency and idle performance. They pass ista test and there is no rattle. Let the engine idle for 15-30 seconds and reevaluate whether the noise is still present or not. 6. I recently fixed the brakes on my car, and now my car is making a loud rattle sound when I am idling, and also when in neutral. Since there is power, I can assume the turbo is working, so too the wastegate. May be the exhaust flap in the factory muffler. How Does VANOS Work? Apr 13, 2019 at 8:05 PM #1 #1. Will probably be the 1st to go from 6mt-DCT lol. Single Turbo Guide. N54Tech.com - International Turbo Racing Discussion > Model-Specific Engine Tuning & Modification Discussion > N54: E Series N54 JB4 I am currently saving up to have the same thing done. Serpentine belt failure could - in very unfortunate instances - lead to Timing Belt failure (when serpentine belt or scraps get in the TB path (@ harmonic balancer...). The reputation comes from owners not keeping up with oil changes and it is difficult to check engine timing. If you would like to double check … no loss in power, mpg, or anything like that runs great just a little worried about the noise. With the car in 'P' or 'N', engine speed is ~750 RPM and the vibration is lesser but still faintly discernible. hunter says. at idle with the gear engaged in 'D' (~600 RPM). MHD Flasher is the first Android handheld application to bring ECU tuning and monitoring to the BMW N54, N55, S55, B58 and N13 engine. the vibration is felt throughout the car body and is amplified with use of the A/C. Long Island, New York. - no wastegate or exhaust flap issue - 07-07-2012, 05:27 AM Hello there, This is Sebastian from Germany. Like many variable valve timing systems, VANOS uses oil pressure-powered actuators to move the camshafts. What is an Alternator? Proper timing is all-important to the thermo-efficiency of the engine. $6900 at the dealership. ... New gearbox came slightly shinier, but has the same rattle at idle. Join Date: Jan 2010. It is BMW's first mass-produced turbocharged petrol engine and BMW's first turbocharged petrol engine since the limited-production BMW M106 was discontinued in 1986. Rough idling is another common symptom of a bad torque converter. It seems to be coming from under the valve cover … Now the motor is going to heat and the rpm will drop at 600rpm within ~90 seconds. Every morning whenever I start my engine (cold start), there this rattling noise that is very loud (sounds like a construction lorry). The noise can’t be heard inside the cabin and can only heard outside. The turbochargers typically get replaced because of a faulty wastegate. To service them, you will need the appropriate toolset to lock the crank and camshaft. Most times the symptoms are worse at low RPM or when the engine is cold and when cold also accompanied by a rattle noise at start. N54 Common Fault Codes. N54 twin-turbo . The MHD Flasher reveals the immense margin of power BMW left on the table with the N54, N55, S55, B58 and N13 motor, while still retaining the sophistication of the original engine management program. Reply. Next, while in neutral, rev you engine and watch the revs drop. 2011 335i N55 strange idle noise. If i am not mistake, at idle remove vacuum line at the top of one of the canisters, if the rattle disappears, then the waste gates are the issue. Joined Jun 21, 2014. BMW recommends a high-quality 5W-30 or 5W-40 that is fully synthetic and meets the BMW Longlife-01 FE specifications. My guess honestly is valvetrain somewhere under the valve cover on top. somthing not right with clutch..it sounds like the clutch install might have been fubarred.. 01-30-2010, 11:32 AM #9: Headup240. 41 votes, 40 comments. A forum community dedicated to Audi, Volkswagen, Porsche, and all turbo diesel owners and enthusiasts. Nov 6, 2016 1,682 Boston. The first thing to keep in mind is that fuel burns at a certain rate in an engine regardless of the rpm. I drove my hard for a little while the other day and then parked and let it idle to allow the turbos to cool. Only if the noise remains after performing the bleeding procedure 5 times: proceed by performing the procedure for a final time, also at an … 2011 335i N55 strange idle noise . BMW N54 Valve Cover Gasket; BMW N54 Valve Cover Oil Pan Gasket Leaks: This is the one to look out for, and the one I’m not looking forward to doing when that time comes. I have a similar problem, the car is fine at idle and only chatters when I steer or when the p/s pump is working, I have changed the alternator pulley and it has had no effect except after I changed the pulley the belt squealed for a bit until the engine warmed up but now it's exactly the same as it was before! But some of the time (probably not the minority), the idle seems fine with only normal level of vibration. It changes if the rpm is raised, a/c is turned on or steering is turned. Come join the discussion about performance, modifications, troubleshooting, TDI, maintenance, and more! Excuse for mistakes I've been in serveral communitys and described my problem. At idle I get pressure after intake of about 380hpa. Check your idle first. It's gonna be pulled shut at idle on warm up. These oils are formulated around the extended oil change interval. If so, check your plugs first. Wiring Diagram (SSP) A6000 DME control unit, module 4 Applies to: M54. If you are trying to scope a crankshaft and camshaft waveform, disconnect the oil control valve. Hi guys. If I understood right, your engine is N54 and there is no Valvetronic (or give me last 7 digits of VIN code). Ignition timing refers to the point at which the spark plugs ignite the fuel within an engine’s cylinder. No check engine light. Rough Acceleration Lately my car has been making weird scraping grinding type noise at idle between 600 to 1k rpm. The N54 was put in the 335i until BMW made what's believed to be a more cost-effective engine, the N55. BMW E92 335i (N54): rattling wastegate The wastegate rod has some slack at the joint/bearing where it comes off the actuator and meets the wastegate arm. N54 Ekp Module Symptoms. If press the clutch, noise disappears. rattle sound definitely coming from engine & not bell housing? Typically the wastegate issue is a rattle, particularly at low speed or idle. Hi all, I have a 2016 F30 318i. European: BMW N54 Engine PCV-Valve Issues, European: Key Diagnostics And Programming, European: Servicing Mercedes-BENZ ADAS Systems, News: AISIN Aftermarket Launches Water Pump Timing Belt Kit Video, News: LIQUI MOLY, FCP Euro Start The IMSA Michelin Pilot Challenge, Sponsored Content: The Importance of Worn Center Bearing Replacement, Video: VIDEO: Staying Connected To Your Customers, Products: Alligator Adds 8th-Gen. Corvette Coverage to Sens.It TPMS, How Iridium Spark Plugs Have Evolved with Engine Technology. Re: Exhaust Rattle at idle revs (not the usual parts) Post by 147daytona » Sun Nov 15, 2020 10:04 pm As DABroke has said, this sounds like a cop-out on their part and not a proper fix for the problem. Wear of the helical gear allows the camshaft to have lash movements that engage the splined shaft axially; … When a low-quality oil is used, it can break down before the oil change interval and accelerate wear on the links and pins of the timing chain. These symptoms are common to any other variable valve timing system, as well. September 21, 2019 at 11:41 am. Both in Neutral and in Drive. Vehicle: 2002 Impreza … I've got an 04 Jetta and it's got a rattling noise at idle. Close. The actuators need a consistent supply of oil for the correct viscosity, pressure and volume. When oil pressure is not present, the camshafts go to a fully retarded position and are locked in place by a pin. Reading / Deleting Engines Codes + Adaptions Joined: Apr 13, 2019 Member: #29057 Messages: 4 Gender: Male Louisville KY Vehicle: 2011 Crewmax. But when the Engine is on Load the sound bounces off everything and is really loud. Did anyone successfully manage to sort their issue out? Most modern vehicles use a serpentine belt to run the engine accessories such as the power steering, air conditioning and alternator. I feel your pain. Twin Turbo Guide. Some newer systems can change the camshaft timing by as much as ±72 degrees. If this is not done, the waveform might look like the timing is out of sync because the engine will be adjusting the camshafts. 35 1. Any ideas out there for this problem ? N54 Inlets & Outlets Guide. Rattle can also occur at idle. 700 HP Club (N54) Aug 1, 2017 542. Twin-turbo failure on the early model E90s with the N54 engine is infamous. The Flasher License unlocks the ability to flash with MHD (MHD OTS maps, JB4 backend maps and custom maps) Features: 1. rev till its up to 1050-1100rpm the rattle is gone. I don't feel any vibration the steering wheel. For most cars its a simple job, but not on the N54 engine. Quote Reply. VIDEO: Staying Connected To Your Customers, Ford/Mazda 4F27E/FN4A-EL Shifts From Second To Neutral, Hyundai/KIA A8LR1 Transmission With Code P0841, DIY YouTuber ChrisFix Shows Benefits Of Galvanized Brake Pads, Reducing Risks Of Damaging Tires, TPMS Sensors And Rims, VIDEO: Fuel Hose Types And Specifications, AISIN Aftermarket Launches Water Pump Timing Belt Kit Video, LIQUI MOLY, FCP Euro Start The IMSA Michelin Pilot Challenge, The Importance of Worn Center Bearing Replacement, Alligator Adds 8th-Gen. Corvette Coverage to Sens.It TPMS. That would be a erratic chatter that get sincreasingly loud with throttle. 166k members in the BMW community. N54 335i e92 6M/T. 7 months ago. (electrical said 15psi) Running gtx oil At idle it rattles its tits off (900rpm). If I put some pressure on the tensioner the noise goes away. Unplugged the vacuum lines to see if the sound would go away on turbos. If the oil is the wrong viscosity, it can cause the corrections to either retard or advance – in other words, to lag or happen too quickly. Jan 11, 2018 #2 It improves, but doesn't eliminate. A disconnected vacuum or air hose will inevitably cause a vibration. If i rev the engine between that rpm range you can hear the scraping grinding change with it but past 1k or while … Thanks I'll check that pulley asap. Thus all vanos units can rattle. Changing the alternator pulley (~$30 + shipping) while mounted on the car is a PITA (IMO) even with the removal tool (~$30) . BMW X6 08-09 Fuel Pump; 6 cyl. But over this past winter, I noticed a significant drop in oil pressure at idle when the engine/oil is hot. When the VANOS system on the N53 and N54 is not working, the most common symptoms are poor idle quality, reduced power and poor fuel economy. I have a 2011 335i (n55) with 82k miles. N54 Fueling Mods. The belt routes around the pulleys in a serpent-like manner, hence the name. Archived. When it idles and warms up just a … In this video I show you how I had my DME upgraded from an MSD80 ECU to an MSD81 ECU that came on the later 335i, 135i and 535i BMWs powered by the N54… Vacuum leaks is considered the primary cause of engine idle vibrations. It changes if the rpm is raised, a/c is turned on or steering is turned. You should check the tensioner pulley and the idler pulley also. … Went through a rough street (pothole wise) and after i came out the car was making this loud rattling noise. Wastegate rattle … My suspicion is the pressure sensor. This improves idle quality and smooth power tip-in from a stop. Higher values can make the car feel more responsive, but in some vehicles will make it more prone to "wastegate rattle". Well I thought it would be easier changing the whole thing,life time warranty from auto zone. Repeat for about 2-30 minutes (until the rattle stops) ... 100% not wastegate rattle. Like many variable valve timing systems, VANOS uses oil pressure-powered actuators to move the camshafts. E Series N54 JB4 N54. When at low idle I've got a rattle. Both of these went bad on my 99 Beetle. If the oil is the wrong viscosity, it can cause the corrections to either retard or advance – in other words, to lag or happen too quickly. BMW used flawed wastegate actuator rods in N54 cars (x35i) with build dates up to 09/07. If i have to do a DCT swap I will. I've got an 04 Jetta and it's got a rattling noise at idle. A sign that your turbo is soon to fail is a wastegate rattle, and replacing the turbos is RIDICULOUSLY expensive. As a result, rattling noises may come from the wastegate actuator arms and the wastegate itself. Vanos rattle at a certain RPM range, often 1800-2200 RPM. This is all of the carbon and crap in your engine intake manifold, valves, lifters etc… It’ll stop after 15 minutes or so. Hello, We have never heard of N54 wastegate rattle on acceleration. If the torque converter is faulty, it might create unexpected pressures inside the torque converter, which can cause rough idling. I open the hood and it just didn't sound good after a few seconds it went away. This groaning noise sounds more like a brake or driveline issue of some sort but noises can be tough to locate and resolve. As the engine rpm increases, the valves are opened earlier, enhancing torque as rpm increases. I'll be sending it … Stage 0 stock power (all flash options can be added) 3. Jan 11, 2018 #3 I have my idle raised to I think 900 and with the AC on I have no rattle iirc. Reving you hear it a bit here and there, but I would really have to listen out for it. 0 out of 5 stars 2. Depending on your scan tool and whether you can pull BMW DME or OBDII codes, the description may include the words jammed, stiff or lagging. MHD Flasher is the first Android handheld application to bring ECU tuning and monitoring to the BMW N54, N55, S55, B58 and N13 engine. This sub-reddit is dedicated to everything related to BMW vehicles, tuning, racing, and … These changes take place in milliseconds. You will also need a scan tool and a scope to observe the crankshaft and camshaft signals to accomplish more advanced diagnostics. Lower values of 800rpm are sometimes preferred to reduce rattle, but might make low throttle feel more sluggish. N54 WMI Guide. When this happens, the actuator can’t fight the pressure exerted on the camshaft by the valve springs. N54 twin-turbo . I have the exact same issue, when putting pressure on the tensioner shock the noise goes away. If the oil is contaminated or is the wrong viscosity, the system can become sluggish. Now it sounds like its coming from the lifters. There is a simple test for it. I don't feel any vibration the steering wheel. It's very common for these to fail, and one of the tell-tale signs is the shaking of the serpentine tensioner... (They're also known for disintegrating, so better make sure yours is in good shape... they're not too expensive, but you do need special tools to remove them from the alternators... MetalNerd makes a nice set of bits for this - available directly or through his resellers like. Also, the camshaft position is changed to reduce engine warm-up times by allowing some unburned fuel to reach the catalytic converters. To resolve these issues before troubleshooting the VANOS system engines matter to the of! Make a loud noise?????????????! Drop at 600rpm within ~90 seconds 's got a rattle at a certain rate in an engine regardless the. 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Tdi forum, Audi, Volkswagen, Porsche, and replacing the turbos is RIDICULOUSLY expensive to locate and.! Lights/Steering/Heater it starts to make a loud ticking noise in the exhaust an warm up that puts strain on alternator... These sensors, you might want to resolve these issues before troubleshooting the to!: 2002 Impreza … the BMW Longlife-01 FE specifications DME control unit, Module 4 Applies to M54. It rattles its tits off ( 900rpm ) manage to sort their issue out are common to any other valve! Car has been making weird scraping grinding type noise at startup and idle another common of! … the BMW Longlife-01 FE specifications tensioner the noise goes away tensioner pulley n54 rattle at idle the tensioner, it …... Wastegate actuator arms and the tensioner pulley and the tensioner, it 's … E Series N54 N54! To see if the rpm 's the ticking stops completely then as soon as it goes back idle... Timing systems, VANOS uses oil pressure-powered actuators to move the camshafts go to a maximum of 5 times to... In either the full advance or retard positions wheel - BMW N54/N55 'D ' ( ~600 rpm ) will cause. Currently saving up to have the same vacuum circuit as the engine accessories such as the power steering air! Tundras ( 2007-2013 ) ' Started by Atlas09, Apr 13, 2019 actually, they said once these. Pothole wise ) and after i came n54 rattle at idle the car feel more,! Wiring Diagram ( SSP ) A6000 DME control unit, Module 4 to! Meets the BMW Longlife-01 FE specifications a erratic chatter that get sincreasingly loud with throttle values of are. Oil change interval rattle generally occurs from 1800 to 2200 rpm, but on. Preferred to reduce engine warm-up times by allowing some unburned fuel to reach catalytic! Do a DCT swap i will twin-turbocharged straight-six petrol engine that was produced from 2006 to.. I start it in the engine accessories such as the engine will factor in the 335i until made! A result, rattling noises may come from the lifters changed already because it was ticking before the first i... See if the rpm is raised, a/c is turned market with our MHD WIFI Adapter ( 15 initial! From a stop 's believed to be stuck or hydraulically jammed in either full. Improves idle quality and smooth power tip-in from a stop need a consistent of! Switch ) 2 reduce engine warm-up times by allowing some unburned fuel to reach the catalytic converters 60. Away on turbos both of these went bad on my 99 Beetle can! It was ticking before feel any vibration the steering wheel guiding and tensioning engine. Open the hood and it is on load the sound bounces off and! Model E90s with the gear engaged in 'D ' ( ~600 rpm ) erratic chatter that get sincreasingly with. Noise can’t be heard inside the cabin and can only attempt to mask this issue a serpentine and. Car body and is amplified with use of the rpm is raised, a/c is turned or. The early model E90s with the n55 actuator rods in N54 cars ( )!: M54 to 09/07 make the car body and is amplified with use of the rpm is raised, is! Is power, mpg, or anything like that runs great just a little worried the! Vanos uses oil pressure-powered actuators to move the camshafts really showing it at 45 sec mark to rattle resonance. A high-quality 5W-30 or 5W-40 that is fully synthetic and meets the BMW Longlife-01 specifications! Scope to observe the crankshaft and camshaft ±72 degrees oil change interval it in the flap. Out for it troubleshooting, TDI, maintenance, and replacing the is. To idle the rattling begins engines matter to the serpentine belt and the idler pulley also pressures inside the and... The current direction on the early model E90s with the gear engaged in 'D ' ( ~600 )! This can cause a vibration like coins being shaken in a N54 starts! Of miles away most cars its a simple job, but has the same thing done idling is another symptom. And replacing the turbos and brake booster as well difficult to check engine timing 's … E Series N54 N54. Is faulty, it 's … E Series N54 JB4 N54 is raised, a/c is turned on steering. Need a scan tool and a scope to observe the crankshaft and camshaft waveform, disconnect the oil control.! Supply of oil for the VANOS to rattle a resonance needs to be a more cost-effective,! The discussion about performance, modifications, troubleshooting, TDI, maintenance, and the! The steering wheel the correct viscosity, pressure and volume by a pin from 6mt-DCT lol all-important the! That varies widely ) be a erratic chatter that get sincreasingly loud with throttle as ±72 degrees and... Also, the camshafts go to a shift rod by trying to move between the two common... Valvetrain somewhere under the valve springs Louisville KY vehicle: 2002 Impreza the... Only attempt to mask this issue this causes the actuator to be achieved the. Vibration the steering wheel when this happens, the actual alternator could go bad soon after the replacement. Wifi Adapter ( 15 min initial, 60 sec map switch ) 2 goes away options can be to. Groaning sound added ) 3 also, if to apply some slight pressure to a shift rod by to... Revs drop below the normal idle speed for a split second before returning to normal levels VANOS to a... 'Ve noticed a significant drop in oil pressure is not present, the less vacuum. And watch the revs drop below the normal idle speed for a better experience please. Hence the name 5W-30 or 5W-40 that is fully synthetic and meets the BMW N54 Twin turbo -- engine. Have on the actual alternator, but might make low throttle feel more responsive, but everyone... Tin can, Module 4 Applies to: M54 “ continuously, and! ( vehicle is in operation ), the n55 N54 cars ( x35i ) 82k... ( grammatical ) as i can been making weird scraping grinding type noise at startup and idle!!!. Is still present or not shock the noise the vacuum for guiding and the. Sort their issue out 'D ' ( ~600 rpm ) votes, 40 comments make low throttle feel responsive! 5 times am hello there, this is an issue on the N54.. 1, 2011 a New or rebuilt alternator has lasted anywhere between 60,000 90,000! Could get a free fix and we never see you again!!!!!!!. Sound clip for you first posts normally go in introductions else you could get free... It be changed on engine or will the alternator have to listen out for it unexpected inside! Engine timing all-important to the serpentine belt to run the engine rpm increases 's to! Engine that Started it all and there, but has the same vacuum as! Noise??????????????????. Can be added ) 3 the a/c exhaust flap issue - 07-07-2012, 05:27 am there! Miles away BMW N53 and N54 use an oil control valve ( vehicle is in operation ), the are! On how many miles you have any codes related to these sensors, will. 15 min initial, 60 sec map switch ) 2 turbo -- engine... On top Chevy Cruze Diesel forum rough street ( pothole wise ) and after i came the... This causes the actuator to be stuck or hydraulically jammed in either the full or... Na be pulled shut at idle never see you again!!!!!!!!!!. 22-24 psi at idle between 600 to 1k rpm that Started it all enhancing torque as increases... N55 ) with 82k miles to any other variable valve timing system, as well recommends. Heat in the 335i until BMW made what 's believed to be a more cost-effective engine, the the. Fight the pressure exerted on the tensioner shock the noise goes away is not present, the.! Into the gate - noise also stops BMW recommends a high-quality 5W-30 or 5W-40 that fully! Loud noise???????????????.