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";s:4:"text";s:29272:"The engine even won top 10 best engines in both 2006 and 2007. For an E8X 1-series or E9X 3-series, you will start off by removing the cabin filter housing, AUC sensor (if equipped), strut brace (if equipped), engine acoustic cover, etc. Join us in our Technical Forum Message Board and ask a question to one of our many automotive experts. See our tech article on removing the intake manifold for your vehicle, either E90 or E60. The wiring for the DISA valve is present and the DME only needs to be programmed to get them working. Once the intake is installed, have the DME programmed with an engine map from the 330i and you gain 25hp while maintaining stock reliability and proven BMW performance. I had to support the engine so the subframe could be lowered to facilitate oil pan removal. Here is a short explanation of the problem including possible causes and solutions, and how we can help. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. BMW N52B30 engine reliability, problems and repair. Features: 1. BMW’s N52 engine is one of its most successful, and most produced inline-6 engines. The wiring for the DISA valve is present and the DME only needs to be programmed to get them working. Remove the engine cover if you have an N54, if you have an N52 then you can ignore this step. On the N51/N52N engines in the E8X 1-series and E9X 3-series, you will find that there's a … Have the DME programmed and enjoy your additional horsepower safely. Pelican Parts is not associated with Porsche Cars North America in any manner, except for a mutual appreciation and love of the cars. When preparing to remove your intake manifold, be sure to have all the correct parts on hand and leave enough time in the day. A magnesium crankcase requires aluminium screws/bolts exclusively. N52 engines have a three-stage variable-length intake runners. Two are in the front, one is in the back center, and the last one and hardest to see/find is in the back left, on the side. Do not work on your vehicle if you feel the task is beyond your ability. Dedicated to making Supercars look slow, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). Didn’t realize until later that the N52 has 4 small aluminum head bolts that break in the front of the motor. Therefore, BMW combined the N52 block to use mag… https://bmwtuning.co/vanos-solenoid-replacement/, https://www.e90post.com/forums/showthread.php?t=565770, https://www.e90post.com/forums/showthread.php?t=1093271, https://blog.fcpeuro.com/n51-n52n-valve-cover-gasket-replacement, https://www.e90post.com/forums/showthread.php?t=632565, https://www.e90post.com/forums/showthread.php?t=174217, The 3 Most Common BMW M60 Engine Problems, BMW B46/B48 Intercooler & Heat Exchanger Guide, Tuning Pro – Automotive Tuning & Performance Guides, P1520: Camshaft position actuator, exhaust, P1523: Camshaft position actuator is jammed, exhaust, Engine overheating (even when just idling), Engine is overheating quickly, gauge reads in the red quickly (stuck in closed position), Engine takes a really long time (20 mins or so) to reach normal running temps (stuck in open position), Spark plugs covered in oil (usually on the threads of the plug), Oil in the crevices of the engine block, or signs of oil on the head, Smell of burning oil from the engine, possible engine smoking if its leaking a lot, Conditions similar to the valve cover gasket leak, Leaking oil on or around the intake manifold, Oil spots around the front side of the engine, Slow starting, or issue starting in cold weather. The vehicle can be driven to the location, as the DISA valves will not work yet. In European markets, the N52 began to be phased out following the release of the BMW N53 in 2007. Automated Testing. Some N52 engines (N52B25,N52B30) respond better to more or less aggressive camshaft durations check your engine on a rolling road. The vehicle shown is an E90, however, the procedure is similar for E60 models. The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series.. We no longer have the car. Very cold and very hot in my region. If you look closely the DISA connectors are mounted to the intake plenum, near the power steering reservoir. Double check the wiring harness routing and fuel line connections. Our favorite engine management option is the BMS Power Box tuner for BMW N52 128i, 328i & 528i models. According to The Bentley BMW Service Manual, below are the instructions I copy to share and hope to get more information. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. It was also listed as one of Ward's 10 Best Engines in 2006 and 2007. Remove the engine covers and cabin microfilter housing. lbf) 1.1. Each flap valve has two possible positions: open or closed. What is this? The trick is to find a used or new manifold from a 330i or 330xi high output model. There are 4 screws to remove, which you should be able to see in the picture below. N52 oil filter housing leak N52 timing cover leak I figured I'd do the obvious first then wash the engine down and recheck for leaks. E90 323i(No… Line up the old and new intake manifolds. These models have 255 hp stock, much more than the N51 at 230 or even some of the lower powered N52 engines at 215 hp. For 2006 and newer vehicles Series 1, 3 , 5, and 6 Models, (N52) 3.0L (Non-Turbo), (N54) 3.0L Twin Turbo engines Low end torque and high end power are improved by varying the intake runner length according to a map stored in the engine control module (ECM). In this tech article, I will go over how to upgrade the intake manifold on N51 normally aspirated engines. If you left something disconnected or an item is misrouted, it is best to find out before driving. BMW was able to reduce fuel consumption in the N53 engine by adding direct injection and a nitrogen oxide storage catalytic converter. Magnesium is used to save weight. The electrical connectors that would go to the DISA valves (red arrow) are mounted to the plenum of the intake and capped off with plastic covers. Low end torque and high end power are improved by varying the intake runner length according to a map stored in the engine control module (ECM). The N53 replaced the N52 in most markets, except for notably the North American Market and Australia. Install the new intake with gaskets. By entering this site, you agree to hold Pelican Parts free from any liability arising out of the use of any information contained within. Nine out of ten times when removing the intake manifold this breather hose breaks, so be sure to have one on hand. A unique way to ensure that your end-to-end business processes are protected from both planned and unexpected changes. Engine vacuum, load and ambient temperature are used by the ECM to determine the rpm at which to switch the intake manifold configuration. Our business rules engine and point-and-click editor are native to Dynamics 365 providing unrivaled productivity. BMW E60 5-Series Technical Articles (2004-2010), Page last updated: Tue 2/2/2021 09:13:29 AM, Intake manifold gaskets, aluminum fastener set. The changes in intake manifold configuration are controlled by the ECM, which drives small electric motors to control two flap valves inside the intake manifold. Thus, magnesium in its pure form or as a conventional alloy is not suited for permanently conveying high loads and forces of the kind typically encountered in central components of the engine. • Both flap valves are closed for idle and low engine speed range. N52 engines have a three-stage variable-length intake runners. These models have 255 hp stock, much more than the N51 at 230 or even some of the lower powered N52 engines at 215 hp. There is a breather pipe that runs from the valve cover to the crankcase breather valve. The N52 engine tick is a prevalent concern for many BMW drivers—one that we see in our shop frequently. Vanos? This article gives detailed instructions on an E60 Valve Cover Gasket DIY Replacement in a BMW 5 series vehicle with the N52 engine. However, the N52 still has its fair share of common reliability problems. The N52 engine block is cast with magnesium and aluminum for the crankcase. The engine timing and fuelling also will make differences on the bhp gains you'll get. The BMW N52 is a naturally aspirated straight-six petrol engine which was produced from 2004-2015. Learn more. Swich ignition off and remove key. For those of you with a BMW N51/N52/N52T engine you will know that given the design of this motor, it means positioning the starter directly underneath the air intake manifold.Meaning that to replace a worn out starter you will have to remove the air intake tract and air intake manifold to access it. Information and technical articles within this website are for reference only. Do you have questions or want to add to the article? As discussed above, replacing the oil filter housing and cooler gaskets on the BMW N52 six cylinder engine is very straightforward with very few parts that need to be removed or cleared out of the way. Watch Queue Queue Another function of the design is that resonance waves inside the manifold pulse back and forth between opening and closing intake valves and help in cylinder filling. History, Power & Specs of the N52 Engine. Each graph depicts the baseline (before tuning) vs. after ecu tuning runs. This site was designed and produced solely by Pelican Parts. Even though we used a 2006 530xi touring wagon to perform this repair, this article can be applied to any BMW vehicle with the N52 6 cylinder engine with minor modifications to the repair steps. In this article, I'll go over the steps involved with replacing the throttle body on BMW X3 N52 engine equipped models. Got more questions? See our tech article on splash shield removing. Next unclip the connector covers (red arrow) and remove them to expose the connector. Re: DISA Removal and Maintenance - N52 Engine (Pic Heavy) Post by Big_Toe_Knee » Tue Oct 08, 2013 8:29 pm Thanks Bing, I have intro'd in the newbies section. Vehicle models change and evolve, as they grow older, so the vehicle shown in our illustrations may vary slightly from yours. The strut brace must be removed to access to the rear valve cover bolts. E60/E61 523i(Not in the US market) Sedan and Touring 1.2. The BMW N52 is a naturally aspirated straight-six petrol engine which was produced from 2004-2015. All vehicles have no modifications to the engine and came in running CA91 premium pump gas. The instructions are as follow: 1. Whining noise and uneven idle, the sound increases with increasing speed. This catalytic converter required low sulfur content fuel to run properly. No steel screws/bolts may be used due to the threat of electrochemical corrosion. 2. Consult authorized factory manuals when performing repair procedures. The throttle housing will be installed after the DISA valves are plugged in. Checking and adjustment of timing. For those of you with a BMW N51/N52/N52T engine you will know that given the design of this motor, it means positioning the starter directly underneath the air intake manifold.Meaning that to replace a worn out starter you will have to remove the air intake tract and air intake manifold to access it. The N52 engine intake bolts right up to the N51 engine. Automated end-to-end testing of your business processes. The labor required to do so and the money involved getting this serviced through a … It was also listed as one of Ward's 10 Best Engines in 2006 and 2007.. The N52 was predominately found in the E90 325i, 328i and 330i, and the E60 525i and 528i models, as well as various others such as the 128i, X1, and Z4 to name a few. Disconnect the negative (-) battery cable. • Both flap valves open for high speed engine and high power output. Comments: What's the coolant capacity for a 2007 X3 with an N52 engine? The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series.. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Der N52 wurde in den Modellen des 3er (E90), 5er (E60) und im Z4 (E85/E86) verwendet, außerdem im 1er (E87, E81, E82, E88), Z4 (E89), X1 (E84), X3 (E83) und X5 (E70).Außerdem im 7er (E65/E66). Once complete, you will have to have your DME programmed. Then the longer one to the DISA valve behind the throttle housing (yellow arrows). I suggest planning for 1/2 a day. Swap the throttle housing if needed. We’re going to address the 7 most frequent engine issues the N52 experiences. Grasp the engine cover bracket and pull it loose from the valve cover. Then install the shorter DISA connector to the valve near the throttle housing. These engines have the same displacement as the N52 engines, but are designed with stricter emission standards in mind. There is one oil filter housing mounting bolt located under the intake manifold, but it can be removed with a socket extension and universal joint. You may have to remove the throttle housing to access other components such as the crankcase breather valve and crankcase breather hoses. It is the first engine in the new N52 series which also includes N52B25.The N52B30 engine has 6 cylinders and is totally different from previous versions of M54B30.It is equipped by popular Double-VANOS camshaft and light-weight aluminum-magnesium block of cylinders, another crankshaft and lighter connecting rods and pistons. The N52 was a straight 6 NASP engine and won a Wards best engine award in 2007 and 2006. Front End Bumper Removal - Fourth Video in Part of Engine Removal & Repair Series of Videos for Kevin's Home Garage. The N52 engine was used in many of the BMW models from the years 2004-2015, making its original presentation in E90 330i and E63 630i models. Installing and removal of camshaft/ variable camshaft timing unit. There were 2 versions, the N52B25, and N52B30. Step 3: Remove the Intake Snorkel See our tech article on engine covers removing. This photo shows the N51 without DISA valves (red arrow). Remove the engine cover from vehicle. Drain cooling system. Got car back together and seemed to fix problem. If something seems different, let us know and share your info to help other users. If you're working with the electrical system, disconnect the battery before beginning. The trick is to find a used or new manifold from a 330i or 330xi high output model. BMW E83X3 models with an N52 engine utilize an electrically-heated engine thermostat. Bosch (red arrow) and VDO (yellow arrow) throttle housings have different style electrical connectors, so they have to be moved over to the new intake. The thermostat is mounted to the right side of the engine at the lower front, near the air conditioning compressor. The differences between these engines are the N52B25 has a smaller bore and stroke, so pistons, crank etc are different, but they share the same block and head. Your email address will not be published. See our tech article on battery connection notes. The N52 engine intake bolts right up to the N51 engine. The intake manifold on BMW E90 and E60 cars with normally aspirated NG6 (new generation) N51 engines are equipped with a standard non-variable intake manifold. Due to the engine design, the N52 has proved more reliable than it’s bigger brother, the N54. Leave a comment below. The DME (engine control module) controls and monitors operation of the thermostat. The N52 Engine Tick. 2. Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. Thanks! Use a T45 torx bit (no ratchet is needed) to remove the screws anchoring the engine cover. This photo gives a closer look at the N51 intake and DISA electrical connectors. It was also listed as one of Ward's 10 Best Engines in 2006 and 2007. Reinstall the removed items in the reverse order of removal. TestShield could save your business. All pictures and references to the Porsche name, and the car names and shapes are for restoration reference only, and do not imply any association with Porsche. When looking for an intake manifold, be sure the part number is from an N52 from 2004: 2006 and has the part number 11617559523 and is from an N52 B30 (inset). Engine Camshaft Timing Locking Tool Kit for N51 N52 N53 N54 N55. The thermostat is integrated with the thermostat housing; the two are replaced as a unit. Basically, this first step is to open the engine bay up and get the other equipment out of the way. n52 tuning BMW E9x N/A In-line 6 Valvetronic – Dyno Comparison (325i vs 328i vs 330i) March 9, 2011 October 2, 2017 OE Tuning 7 Comments. Engine vacuum, load and ambient temperature are used by the ECM to determine the rpm at which to switch the intake manifold configuration. The cabin microfilter has been removed. Recycle parts, packaging and fluids when possible. Once complete, let the engine idle for about 10 minutes. Aluminium‐magnesium materials. You may have to remove the throttle housing to access other components such as the crankcase breather valve and crankcase breather hoses. 11 12 100 Removing and installing cylinder head (N52) Special tools required: 11 0 320; 11 4 420; 11 4 430; 11 4 471; 11 4 472; 11 8 580 ; Important! Keep in mind that when your car was serviced before, parts may have been replaced with different size fasteners used in the replacement. This step is going to vary based on what car you own. Pelican Parts is not responsible for any typographical errors contained within the site. BMW N52B30 engine reliability, problems and repair. The photo inset shows the connector to the DISA looking through the intake runners. It is the first engine in the new N52 series which also includes N52B25.The N52B30 engine has 6 cylinders and is totally different from previous versions of M54B30.It is equipped by popular Double-VANOS camshaft and light-weight aluminum-magnesium block of cylinders, another crankshaft and lighter … Remove from vehicle. They are mounted near the power steering reservoir and just above the throttle housing (yellow arrow). This is for a 2006 BMW 530i (N52 Engine). However, magnesium is subject to a greater risk of corrosion from water, and magnesium may tend to creep under load at high temperatures. Take out the steel strut brace by removing the four T45 torx bolts anchoring it to the frame of the vehicle. Second Video in a series that describes the removal and repair of a 2007 BMW X5 engine. Learn more. Remove engine splash shield. N51 engines run cleaner and have less power than the N52 version of the NG6. These markets were excluded due to high sulfur content in the fuel. In order to fix these one has to remove the cams, chain and retime motor when back together. If a breather hose cracks or fails, the air leak can cause a rough idle or engine stalling. This photos shows the old intake (yellow arrow) with no DISA valves and the new (red arrow) with DISA valves. There should be a DISA valve at the front (red arrow) and the rear (yellow arrow) of the throttle housing. Swap over any brackets, sensors or parts from your old intake to the new. I am trying to figure out how much coolant to get and to make sure I correctly calculate coolant/water ratio for summer and winter. Once the intake is installed, … This video is unavailable. Remove the intake manifold. 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