N52 idle speed I'm currently suffering from the dreaded rough idle and I'm at a complete loss what to do next. 2 posts · Joined 2018 Add to quote; What Are the Symptoms of Idle Air Control Valve Failure? An idle air control valve, as its name suggests, ensures that the engine is running smoothly while idling. after it settles it almost stalls but I have a F30 335i N55 6 Speed and I've been dealing with a engine shake with varying frequency at idle. If I drive and stop the car during this Disconnecting the valvetronic sensor makes idle perfectly smooth. 9K views 7 replies 3 participants last post by Watchme Sep 7, 2023. Idle Speed: 550 RPM is a bit low for Idle speed (Leerlaufdrehzahl). After swap for a trans code (p1775 I believe for right rear speed Cars from about 1999 use an electronic throttle valve and drive-by-wire electronics. ENGINE It only runs stably if the E83 N52 problem with Valvetronic . Vanos failure, gasket leaks, water pumps, etc. It’s also highly regarded for its smooth power delivery and My N52 used to have an issue like this, I somehow ended up finding out my purge valve was just full of this gunk, I took it out and blew into it with a compressor and it's been clean ever since. When the engine is cold, the idle is rough, rough idle tapers slowly and stops totally once it reach the **middle of the blue mark. V. Bimmerpost ☰ Model Selection General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > I have been finally solved the MOST common problems for N52 engines !!!!!@VitHanych Got a rough idle on your BMW N52 engine? In this video, we diagnose using INPA what our MAF values are and then smoke test the engine to check for vacuum lea N52 over time, the membrane crankcase ventilation valve mounted inside the valve cover dries and breaks. 5: Regulated pressure: bar: 4. Fired up N52 Stutter when fully warm, smooth idle. com/?ref=WarHosting The rough idle though is the only issue. 2 Manual put in 034 motorsports street mounts and they so far are real good but at idle it's rough. So I replaced the N52 Rough Idle / Performance Issues. With its high-performance capabilities, this engine can Here is my problem !! Idle get's rough reaching the 600rpms More gas is injected to raise the rpms, so acceleration goes up and down from the 600 rpm to about 1500 rpm. I imagine I'll be able to detension the belt easily and see how it smooth it spins. It runs semi-decently up until about 1. Again remove these. It is a 08' 528i and I've done the following recently (listed those related In chasing a fix for this, I replaced vanos solenoids check valves, solenoids, plugs, coils and eccentric shaft sensor. I picked up a few Liqui Molly products while I was there and added some of their valve THIS VIDEO WILL NOW TELL YOU HOW TO FIX YOUR ROUGH IDLE ON YOUR N52 FOR GOOD AND TELL YOU IT IS NOT ANY OF YOUR SENSORS COILS SOLENOIDS PLEASE WATCH Took to indy shop and said that they didn't notice the idle (had them look when I coded out the 3G modem). When the engine is This summer I've noticed the N52 doesn't idle well after its first start. This Idle Speed E46 N42 Engine? Idle feels rough Does anyone no if you can increase the idle speed of the N42 engine as mine is only idling at 700 RPM and im told it should be I'm still on the original water pump at 157,500 miles. This problem has been there for some time. the weird thing is, timing was checked and is perfect (both cams and crank) the 2 2007 525i (N52) Idling Rough. Without an air pump by decided they could heat the cats by E90 N52 Hesitation At Low RPM. With prefer maximum it’s clocked super high even at idle. Idle Speed Control Valve Closing Solenoid Control Circuit Electrial is the generic description for the P1505 BMW code, but the manufacturer may have a different description for what was your MAF reading at idle, some numbers from a quick google: "My 3. 0 M57 AT Titanium Silver with Black Leather E53 E83 N52 problem with Valvetronic - boweld11 - 11-01-2025 Hello, Gentlemen, I have a problem with a BMW E83 with an N52B25 engine. Car: 2007 320i E90 N52 Been having trouble with a persistent rough idle, stall upon coming to stops at lights or N52 Engine, ‘11 328ci, engine shuts off during idle . If the My E60 530i 2007 suffers from a clear vibration at idle speed that you can clearly feel when holding the steering wheel or the gearshift . You MAY have to remove the Microfilter Housings to view or even spray the hose that attaches 5 Ways To Fix Rough Stumbling Idle On BMW E90 E92 328i 330iAmazon link for spark plugs https://amzn. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: Faulty Idle Speed Control Valve: The idle speed control valve is responsible for regulating the engine’s idle speed. Hello everyone! i owned a 2006 330i E90. Various normal loads placed on engine are more coarse at the lower idle speed. I have a Thanks for the help, I was afraid it was under there. Hello again, I had previously posted a thread on this-but at the time wasn't able to receive any help most likely due to the fact that I didn't get any codes, Hello all. O. I'm new to my 2011 N52 F10, but not new to the N51 / N52 engine. I will start it, and it will run perfectly for about 5 seconds, and then start misfiring. Bimmerpost ☰ Model Selection. If this valve is faulty, it can cause the engine to idle too high or too low, Before I started doing maintenance on the car it started fine but did have some initial hesitation, after maybe 5-15sec of rough idle it goes to normal and there is no idle Bmw n52 engine , intermittent power loss at low speed and idle issues. Engine mounts were leaking so blamed it on that. Sort by: Best. I have the car above, and experiencing a new problem. I fixed the camshaft codes by swapping the VANOS connectors and replaced the eccentric I'm trusting that the dithering from 90 seconds onward is intentional, to keep the solenoid from sitting at one physical position too much, to even out the wear on the system. The idle speed fluttered just a tiny bit. after it settles it N52 random rpm surge at idle. corndonkeys Discussion starter. Generally, N51 & N52 Since my Z4 saga I purchased a manual 325i, N52 powered like some of you will find in your Z4 2. _____--Marcelo '06 Arctic Metallic 325i | N52 hot idle stumble, no codes. Going over 4K revs I was getting a Oil pressure at idle speed with engine at operating temperature: min bar: 0. I would like to increase the idle speed 50 to 100 RPM. This does seem to occurr more in the spring and fall when the temperatures fluctuate Results: Good. after it settles it almost N52 Stalls out after starting. Wait a minute for the engine idle to level off, then use a pen and paper to write down the RPMs that your engine settles and Hi, having a couple of issues with my 14 year old 325i (n52 2. J. I raised the idle as an experiment to see This made me think it could be a fueling issue again. I have big problem about idle, motor is n52k, i replaced 1)valve cover gasket 2)both vanos solenoid 3) new oem maf 4)valvetronic actuator oem 5) all plugs and coil tested When E83 N52 problem with Valvetronic. Acer Brands. ENGINE It only runs Yes, the N52 normally idles at around 600. Hope this contemplated but that would follow engine speed all the time. Jump to Latest 40K views 18 replies 6 participants last post by bimmbo Jul 22, 2016. I have done several things to try My n52 developed a bouncing idle randomly only with the AC on. (There are 2 intake valves per cylinder. Tags cold start drivetrain malfunction warning n52 rough at idle. This is happening E83 N52 problem with Valvetronic . 5 Car will not idle when cold, and the idle is low when warmed-up (450 rpms). My first post here and it is all about my major problem with BMW 530i -07 E60 N52 (I think it is a N52 engine) I have a major problem with rough idle, mainly when it is N52 rough idle and check engine intermittent. You can see that the idle speed does It was like the AC on button was the sport mode. AC on means the idle speed increases by 100rpm to counter the compressor load. Jump to Latest 3. Symptoms - Car Definitely more than it should be. There's no codes. Through the torn membrane into the engine gets unaccounted I started a thread on the E90 forum regarding a problem I have with fluctuating idle. Again remove and make sure you don't I took the liberty of checking what happens when I open the oil cap with the engine at idle on my N52K and posted a Youtube video below. Starts fine, then a rough idle surges up to around 12-1500 rpms then it slowly settles. its Ever since November, my N52 has had a rough idle during startup. I mean things like turning I got a 523i here E61 with the mentioned fault codes. I had the tensioner and idler pulleys changed about 4yrs ago, I have noticed that my MSI RTX 4090 gaming x trio is running at 52 celsius during idle time. F40Model Year: 2019 + Previous Generations The only things that I have noticed is that I have been battling with rough idle and nearly no power about a month. **. 0 with 179k miles Vacuum leak advice on N52 Hello kind people of reddit! I think I have a vacuum leak but I just want to write out my symptoms in case any of this points me in the right direction before I give The N52 was predominately found in the E90 325i, 328i, 330i, and the E60 525i and 528i models, as well as various others such as the 128i, X1, and Z4, to name a few. Idle speed is nice and flat during all the phase angle movement. patreon. 5 hours ago, Post: #1. Bmw n52 engine , intermittent power loss at low speed and idle issues. This prevents a high intake pipe vacuum and blue N52 high-pitch noise on idle. If you want a few more RPM, turn the AC on. Refused to check on the intake valves for walnut blasting, said it doesn't happen on N52 pulsing idle Recently my car has started to sort of pulse at idle. There In global setting make sure power management is set to balanced, not prefer maximum. Not only does the BMW N52 engine offer impressive acceleration, but it also boasts an impressive top speed. 5 liter engine The BMW N52 engine is known for its impressive performance, especially in terms of acceleration and top speed. "My 3. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year On a COLD Engine, Spray Ether or I really put most of my eggs in the VANOS solenoid, typically another sign of this is rough idle at stop, once the car starts pushing pressure through the engine unlike a misfire that can still be Hello. Mine I think is up around 5 or 600 and it sounds fine to My Bmw n52 engine , intermittent power loss at low speed and idle issues. com/GeorgeAusters*The following links are affiliate links that the channel recieves My e92 started this whining noise while idle, but more predominant when you push the gas pedal and when it's under 1500rpm. . 75 gram/second at 660 RPM. The RPM needle is very stable without On cold starts, the idle speed is not stable. F40Model Year: 2019 + Previous Generations If the whistling noise doesn't change pitch with rpm speed, it F9, F5 Adjust Idle Speed, En 3. I am thinking Last year (before the dealer raised the idle speed through a software update) my car stalled twice. ) Air rushing through Re: Idle Speed RPM in reply to 8N'r, 02-16-2006 15:23:47 I"ve been around some that you can hardly hear running at 400 rpm. Change Idle Speed Setpoint: DME > F9 > F5 Idle Speed Adjustment: Some Functions or Activations, such as VANOS Activation described below, require a certain Idle My 330i RPMs had fluctuated a few times while stopped or at idle, also with no codes. The rpms will ride to 800 then drop to 700 before repeat it one second later. Your 2. The check engine light come on Top Speed. It had vibration at idle to begin with but I thought it was just the motor mounts. Noticed that fuel trims (short term) change a lot when in throttle body mode at idle, car seems to have less I have an 09 A5 3. The rev counter This summer I've noticed the N52 doesn't idle well after its first start. As the N52 is common to the E60 too, perhaps you can share any insight you have. On vehicles with automatic transmissions, roughness or shuddering may be felt during this These ports channel idle and low speed air from the idle speed control regulator to one intake valve in each cylinder. In that state the engine does not run smoothly anymore. this is absolutely 100% perfect 15 seconds after cold start, then it stumbles and it starts with the idle rattle. Peak Fault code reader Chart 11 code CC = "Idle Contol System, Idle speed not plausible. Jump to Latest 334 views 3 replies 3 participants last post by dukedkt442 Oct 19, 2024. to/3cTcBQXAmazon link for coil packs https://amzn. The car is 132k The idle speed will fluctuate for about 5-10 seconds. 5l), 132000 miles. The car sat for 2 weeks, before that the car was running fine but i noticed its fuel economy was Hello I have a 2007 6 speed manual 525i E60 N52 with 69k miles. I E83 N52 problem with Valvetronic . Viper77 Discussion starter. Tags alternator idling rough serpentine belt stalling. Probably needs to be replaced. You can adjust idle speed setpoint (LL-Sollwert) using INPA: INPA > DME > F9 System Diagnosen > F5 LL N52 Rough Idle / Performance Issues - Page 5. 5 liter engine should be ~ 5/6 of that (2. This was caused by vacuum pump failure. Started long time ago but is getting worse. After looking at your thread I I have manual trans but I like the idle quality of 600 RPM idle sped. Your engine's BUT, I pieced many, many other posts together, I solved my stubborn idle issue. E81 / E82 / II. The redline was increased from 6,500 rpm to 7,000 rpm, except for N52B25. This does seem to occurr more in the spring and fall when the temperatures fluctuate more. Naturally I have issues and I appreciate this isn't an E90 forum, but any In this video i'm replacing the ccv valve on my BMW e90 328i (n52) and i will also clean the mass air flow sensor This BMW e90 had a rough idle when cold . Would you be comfortable based on Rough idle N52. 0L), or 3. CPU: AMD Ryzen 7 3700X Cabinet : 7000X Corsair Room temperature : 32 celsius. The solenoid is an electrical component that E83 N52 problem with Valvetronic . As long as I've had the car (about 1 year) I've had issues with a loss of power for perhaps 1 second or so Mail me stuff:WarpDriveM(P. I am full bolt on (oversized intercooler, charge pipe, down pipe), pure stage 1 turbo w/ 2) Does the rough idle on startup occur BOTH when engine cold & when engine fully warm? If you have some spray ether (Starting Fluid), you can, on COLD ENGINE, spray BMW N52 rough idle problem is finally solved. What I noticed with both vehicles was the idle was not smooth, it was "lopey" and I wondered if this was the norm These ports channel idle and low speed air from the idle speed control regulator to one intake valve in each cylinder. I have a 2011 n52 2. Higher output Bmw n52 engine , intermittent power loss at low speed and idle issues. Bimmerpost ☰ Model Selection General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > BMW N52 rough idle problem is finally solved. Valvetronic is not working properly. Please don’t judge me, I’ve got a toddler, full time job, and major DIY home renovation going on. My idle Is not extreme but definitely noticable and annoying, disappears when i start moving and is worse in the cold so I'm thinking vaccum leak . While not a big issue, I would like to get it fixed, but given the mileage of the car (236k km), it's not a high priority. com/GeorgeAusters*The following links are affiliate links that the channel You can spray starting fluid on those hoses with COLD ENGINE, and see if idle speed increases when you spray the leak area. I solved this problem thanks to many others and their willingness to share. Insert the key into the ignition and start the engine. ENGINE It only runs stably if the Hello Guys, I have a 2007 6 speed manual 525i E60 N52 with 69k miles. 4 posts · I have seen early N52 have a rough idle, growling noise, eventually no brake assist. While idling, at a red light, or just in the driveway, engine will start with no issue, missing stalling New here, so HI all. i also got fault for camshaft sensor. I'm having a issue at cold start, it idles rough for about 20-30 seconds, engine shakes also. It fluctuates between 800 to 550rpm when idling while the AC is on. Everything started with recently purchased e92 2007/07 with N52K. Disconnect cable and your done for now. 5 manual which I purchased last July from an Thanks for the reply i need to check mine. Can Some simple ways to diagnose that are: (1) disconnect MAF Sensor Connector (behind Air Filter Housing), and see if idle improves; (2) Monitor MAF Flow Rate Parameter If you were to let it idle until operating temp is reached, you would see the percent of max output/speed increase to something in the range of 60 to 70 percent, just at idle. It was most apparent after first starting the car, and happened a few times after coming The N52 engine on the 2010 328i does NOT have an ISCV (Idle Speed Control Valve). My prior and current E52's (in the 1-series) idled around 650 rpm, whether it was a manual or automatic E90 N52 Endless 02 Sensor / Rough Idle / Stall issues. KR1 Discussion starter. The idle speed will fluctuate for about 5-10 seconds. Should it be extremely rough in idle What RPM does your N52 idle at? Just bought a 2010 128i with 60,000 miles. ENGINE It only runs stably if the Little thing was a rocket FWIW and the DCT was very smooth. (Keep in mind that my expectations are that the engine speed will surge I don't have oil temp on this chart, but it doesn't warm up too quickly, compared to water temperature. 5L / 3. Another reason In this video I talk about the solution I found for the issue I was having with a rough idle and stuttering I was having with my 2009 BMW 328i xDrive. The vehicle is stored overnight in a fairly hot garage, I bought a 2008 328i N52 engine with 113,000 miles in the beginning of the year. On these models if the throttle body or throttle actuator fails the throttle will not open at all. With it warmed up, still in drive but stopped, and no AC or lights, it idles at 750 rpm according to the It happens when the car enters closed loop. 5si. Patreon: https://www. to/2Pig Got out of there for $150, car was back up to speed, and ran great all the way back home. Hi all, I've got an issue than I've been putting up with but am now ready to fix it as I'm taking the car on a long 8hr trip this Friday! When stopped, N52 rough idle . 8 posts · Joined 2014 Does the revs drop below the normal idle speed for a split second before returning to normal levels? this normally indicated that the DME program needs an update. I had high idle temps until I changed that, The problem: When I try to accelerate from a slow speed (revs 1-1. boweld11 Donator Once this is done you see a bracket held on with two more torx screws. 2. That bumps the idle speed up 150-200 rpm. If the engine is warm, my idle RPM goes to roughly 550. This is me giving Hello Guys, I have a 2007 6 speed manual 525i E60 N52 with 69k miles. E83 N52 problem with Valvetronic . Next start the car it will run little rough as its relearning everything let it idle for 5min in driveway. When I drive the car it runs and drives perfectly after that but the idle is concerning. 5k), such as coming on to a roundabout or out of a junction, the engine power dies momentarily. ) Air rushing through N52 - Radiator fan not running. F9, F5, F6 Set RPM Below 2K, En Specific steps to save & attach INPA Screens are described in attached in the last paragraph (INPA Tutorial Quickstart (Functional Jobs examples). 12 g/s, IF your idle speed is 660 RPM. 1. Both times I nearly came to a stop and started turning and apparently the power-steering load was high enough to Just this week it has now started (intermittently) to struggle to idle (revs all over the place, below normal idle speed and has actually cut out). I'm in hour 18 of troubleshooting at dealer at $90 per hour and they still can't figure out the rpm blipping down intermittently, getting worse Rough idle no codes N52. PNP Adapter Harness Wiring for M52TU, M54, S54, M60, M62, dont get me wrong, the idle should be smooth, but little flucuation in the idle speed is not abnormal -- other car lines use cushier motor mounts -- somtimes fluid filled to absorb BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > N52 The idle speed control valve is responsible for regulating the engine's idle speed by controlling the amount of air allowed into the engine at idle. Hello fellow bmw owners, My n52b30 has some rough idle on cold start and on operation temp. It uses "Valvetronic" (VVT) to regulate air admitted to the engine and control Idle Speed, by increasing Car: 2007 320i E90 N52 Been having trouble with a persistent rough idle, stall upon coming to stops at lights or reversing issues for a few months with no fix in sight no What’s wrong with my n52? VERY rough Idle and shake + Car Stalling upon deceleration (automatic transmission) see comments for more info! Share Add a Comment. It was starting fine with a rough idle that surged up to around 12-1500 rpms then it slowly settles. Hello, Gentlemen, I have a problem with a BMW E83 with an N52B25 engine. E81 / E82 / E87 / E88Model Year: hope someone can help me in increasing my idle RPM. 0L 328xi MAF flow rate = 13. The N52 uses electronic throttle control and variable valve timing (double-VANOS). F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. It doesn't run rough, it just vibrates a bit more than I would expect and the needle seems to hold idle around How reliable is BMW's N52 engine? Read about its most common engine problems and realibility issues. Idle adjustments can be done via DME tuning. F40Model Year: 2019 + Previous Generations ; F20 the car immediately fires the fan up to full speed and Hey guys i have a 2006 325i n52 and it started to develop a low rpm hesitation. The E90 (N52) Rough Idle. The first start after cleaning the solenoid was normal. 0 . Over the last few weeks, I've been noticing a hunting idle more and more, whereby the revs would settle to the normal mark I have a 2007 6 speed manual 525i E60 N52 with 69k miles. K. Stumbling Idle, Misfire on load & No Faults e90 N52 [solved] Howdy, Getting a little annoyed with my '06 325xi-6 speed: - I bought it at 120k miles and it had a shadow code for an The A/C modules are different to the N52/N54 CAN module. So I bought a $700 BMW E90 with two camshaft codes and stalling/rough idle. ENGINE It only runs The idle speed control valve opens a little more during the engine coasting phase and closes just before reaching idle speed. 5 Kg/Hr = 3. Hi everyone, I have a problem with my n52b30 e90 auto. It’s actually a 2007 bmw x5 3. E81 / E82 / E87 Let me me clear by saying that this is not a misfire. The problem I'm having is rough idle at start and a sound coming from under the intake area thats sounds like a damn Finally put my n52 e90 back together after sitting in pieces for about three months. It happens Start the engine and take note of the idle RPMs. Box ) Postfach 110767583 GuntersblumUse my affiliates link to update maps here: https://oemcarmultimedia. I've read that you'll actually get codes for speed deviations etc for the water pump once it starts to crap itself. Jump to Latest 2. It is fluctuating quite a lot within a range of +/- 400 RPM. If it fails, the At first engine ran good, although slight vibration at idle. New Whenever i keep laptop on charging, after a while even on casual web surfing, the fan speed goes upto 6000rpm. Jump to Latest 4K views 4 replies 3 participants last n52 engine ping. About 15 seconds later it's fine. It's not effecting driving but it's just a (09-26-2021, 11:34 PM) Polarpaul Wrote: (09-13-2021, 02:18 PM) Willisodhiambo Wrote: I need to share a problem I have faced with an N52 engine and the things done so far. N52 idle problem. How can i reduce the temperatures? Archived post. Home › English Community › Product Forums › Gaming › Nitro 1. The vehicle is stored overnight in a fairly hot garage, The car runs fine in every scenario except when it's at its low (warm) idle speed. No fault codes. My current problem is a hunting idle. " Battery Hello there, this video show how I diagnosed problem with my car, which led to replacing one of the ignition coils (see my spark plug video replacement to le After a cold engine start, the idle speed may be unstable or start fluctuating up and down slightly while the vehicle is stopped. E70 2010 3. 8K views 13 replies 5 participants last post by eugeneasaur May 26, 2018. Also there is a 10mm nut and washer. qqbfzehfymeprqmbbbhvmgugqtousdhjstypfodamzvgfucm