N55 wastegate vacuum line. I can't find much on how to do this myself.
N55 wastegate vacuum line This can be credited to the improved wastegate HELP. The older engine had PWG and the newer one has EWG. Includes plug and play harness connector for no splicing! Discussion on diagnosing and troubleshooting issues related to turbo malfunction and lack of boost in vehicles. This fitting adds two 1/8NPT bungs to accept any fitting that has 1/8" NPT threads. I believe I have a vac leak so want to replace them, but now want to better understand the setup. Aug 15, 2020 · Intake is off, doesn't look too bad for 150k miles. The valve cover assembly has a built in vacuum reservoir for the pneumatic wastegate and muffler valve. I just found a collapsed and twisted vacuum line going from the valve cover around the firewall side of the engine that plugs into another line near the chargepipe Mar 28, 2025 · The N55B30 engine is one in a long line of BMW inline six-cylinder engines. The pump is located on the back of the valve cover and is quite tricky to get to but is well worth the replacement. I assume it was there prior, and I just didn't notice it due to the valve cover leak. Oct 5, 2021 · Surely it cant go against the vacuum and travel up the line from the vacuum pump into that chamber, maybe a crack in the internals of the VC? "2011 n55 535 pwg. us My Yahoo! Jul 25, 2021 · Better wastegate control More power, especially on top-end The EWG aces are essentially something contrary to the PWG cons. If your car is pwg, this hole would have a connected line to it. « Previous Thread Next Thread » N55 Vacuum Lines/Hoses Replacement Hi I'm Daniel and assisting you today on your inquiry. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm N55 Boost SolenoidsAll times are GMT -5. Forced induction: The N55 uses a single twin scroll turbocharger with vacuum operated, electronically controlled wastegate valve. « Previous Thread Next Thread » Wastegate accurate setting *Please Note: The BW S3xx series turbo kits will fit the N55 E-Chassis only. Feb 19, 2024 · N55 boost control options/ external wastegateAll times are GMT -5. The time now is 08:54 AM. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Boost solenoid vacuum line Thread Tools 03-28-2016, 11:18 AM # 1 KNAQ7 Second Lieutenant 17 Rep 294 Posts Drives: 21 BMW M4 Join Date: Apr 2013 Location: DFW iTrader: (1) Boost It’s there because as the PCV line carries humid air/oil mixture, it’s possible for moisture to freeze in the vent line. I didn't pull the engine cover off yet. Aug 29, 2016 · N55: upgrading the Internal wastegate actuator ?BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications N55: upgrading the Internal wastegate actuator ? May 3, 2022 · 2015 535i N55 Vacuum Pipe ConnectionAll times are GMT -5. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Aug 30, 2024 · So one hose feeds back into the vac unit, and the other routes to the vacuum unit of the wastegate valve. us My Yahoo! « Previous Thread Next Thread » Silicone Vacuum Line Replacement Oct 4, 2021 · « Previous Thread Next Thread » oil in vacuum reservoir Dec 19, 2022 · Spontaneous boost pressure solenoid failure in my experience on my n55 was an internal vacuum leak on my valve cover, which then resulted in oil pooling in my vacuum chamber to my pvc system, and when it got too high it caused the oil to go into the vacuum line of the boost pressure solenoid above turbo. Altitude exacerbates that significantly due to lower available vacuum to hold the wastegate shut. Had a code p0171 on n54 engine. 5mm x 2. I'd check that you don't have any leaks in the vacuum system for your wastegate and boost solenoid - if you don't have enough vacuum Jul 8, 2022 · The StraightGate50 from Turbosmart is the world's highest-flowing external wastegate! The StraightGate50 is a zero-offset butterfly-style wastegate that allows enormous flow, almost linear control, and unparalleled boost control throughout the entire operating range. The time now is 09:23 AM. Install instructions are provided, to make the install even easier! Features: Relocates factory vacuum hose for a cleaner look when using an aftermarket intake system. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Anyone have to replace these in their 335? Although my boost seems ok, I am wondering if the buzzing you hear in the attached pdf are the boost solenoids. The time now is 05:21 PM. These go inline with the Throttle Body fitting and provide a full boost/vacuum signal from the manifold. Tuning gets simpler and more exact on the EWG N55. Technical Forums N55 Turbo Engine / Drivetrain / Exhaust Modifications > Thread Tools Search this Thread Bookmarks « Previous Thread Next Thread » Mar 16, 2016 · But all the vacuum lines are 3. Attached Images Boost Buzz. At this point I could also observe that around 6mmHg appeared to fully move the wastegate and pressure would hold. Look for a vacuum hose or electric wire c Nov 2, 2015 · It replaced the old pneumatic vacuum canister/solenoid wastegate we've all grown to know and love since the 335 was first released in late 2006. The N55 autowastegates pretty badly above 5,500 RPM with the stock vacuum wastegate actuator. us My Yahoo! Oct 7, 2023 · N54 Wastegate 0% duty cycleBMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications N54 Wastegate 0% duty cycle Single turbo boost solenoid. 120408 Charging control pressure control: switch-off as consequential reaction Car was fine. Slide the intake tube off of the turbo. Also, replacing the boost control solenoid while everything is apart is a smart play. Oct 20, 2021 · « Previous Thread Next Thread » Dropping RPM and engine shaking Super Frustrated: N55 Boost LeaksAll times are GMT -5. It was available in Part: BMW Vacuum Line - Genuine BMW 11657588773- Connects the boost control solenoid (pressure converter) to the wastegate actuator on the turbocharger. Now the line doesn't stay connected. The car pulled sooo hard though :) Can someone point me in the right direction of how to a) route the vacuum hoses Jul 21, 2020 · This article gives detailed instructions on replacing the valve cover gasket in a BMW with the N55 turbocharged 6 cylinder engine. « Previous Thread Next Thread » Name this hose! (n55 135i engine bay pics) Jan 20, 2022 · With the car off, connect to the line from your boost solenoid to the wastegate, and pump up the vacuum to make sure your wastegate and the line going to your wastegate will hold vacuum. Who knows if it even matters Luckily I was able to borrow my neighbors absurdly long needle nose pliers and it all the sudden got super easy from above (after removing that intake pipe that's in the way) Appreciate 0 Quote Post Reply Bookmarks twitter Jul 1, 2019 · I definitely hooked up the vacum hoses to the wastegate backwards, and likely have the EBC hoses wrgon as well. Pros, cons, and differences of N55 PWG vs EWG. « Previous Thread Next Thread » N55 Vacuum Lines/Hoses Replacement Aug 31, 2025 · 2011-2016 bmw 535i 640i 335i 3. twitter Facebook Digg Google StumbleUpon del. The swirl flaps are pretty clean. May 3, 2022 · I've been researching but can't seem to confirm where the vacuum pipe runs to and to add more confusion I've seen posts about that vacuum pipe is only needed for N55 with pneumatic wastegate and that BMW switched over to electronic wastegate in 2014. ECS vacuum hose allows for relocation of wastegate vacuum controls. i get 120308 intermittent fault code, charge-airpressure control, plausability pressure too low. N55 - Why is there is vacuum line going to charge pipe? Hi, as I'm finishing my engine swap project on F20 N55, I met with strange modification done by previous owner, and more importantly I do not understand how the whole vacuum piping works. Sep 10, 2015 · I have been reading over the pdf about the N55 engine in an attempt to better understand the vacuum lines and what is going on with it. 0mm. Original BMW vacuum hose for the boost solenoid on N55 turbocharged engines. This is the largest vacuum source available with out drilling and tapping the intake manifold. us My Yahoo! The manufacturer offers replacement of BMW N55 turbochargers as a whole, but we offer an alternative solution - replacement of the Wastegate repair kit for BMW N55. No difference connecting one or the other. For electronic wastegate turbochargers: Disconnect the wiring from the servo. 0L inline-6 cylinder engine utilizing direct fuel injection. g. . The wastegate is activated by vacuum controlled from an electric solenoid. Problem: cracked vacuum line off brake booster line near intake air box. The vacuum line is then run from the large T into the smaller T which feeds both the blow off valve and waste gate port. The time now is 04:41 PM. 0L, BMW E60 535i N55 3. Install instructions are even provided, to make the install even easier! Features: Relocates factory vacuum hose for a cleaner look when using an aftermarket intake system. So there will be less force to counteract the WG spring, and force of exhaust gas pressure against the WG flap. Use this plug and play low frequency MAC solenoid if retrofitting a single turbo kit to your N54 or N55. We are happy to release our BMW B54/N55 (Limited N55 Fitment) vacuum/boost adapter. The Vacuum-Based Pneumatic May 13, 2024 · The 5 Most Common BMW N55 Engine Problems: valve cover gasket leak, water pump failure, oil filter housing gasket, high pressure fuel pump. Sep 3, 2017 · Hey new to forum world. ei - did you completely resecure the vacuum line for the vacuum diverter to the valve cover? did that line crack? is your vacuum supply pipe reconnected to the vacuum pump? did Jun 22, 2021 · How much investigation have you done on your vacuum system? If your vacuum pump isn't pulling hard enough vacuum, or if you have any leaks in the system, then you'll get less vacuum to the wastegate canister at a given wgdc%. You'll need to work your way from looking over your repair. Using supplied vacuum hose route vacuum hose from DV, and boost port on compressor cover (Fig 6), following the vacuum hose coming down to the wastegate actuator. Features a silicone hose and 6061-T6 aluminum tap for wastegate controls. Had to remove vacuum The manufacturer offers replacement of BMW N55 turbochargers as a whole, but we offer an alternative solution - replacement of the Wastegate repair kit for BMW N55. Boost pressure is too low. Remove the nut holding the plastic air intake tube to the turbocharger (do not lose the small steel spacer under the nut!). The time now is 06:40 AM. In theory this new electronic wastegate eliminates a lot of "slop" and unnecessary hardware from the boost control. One is source vacuum from the valve cover, the other vacuum line goes to the wastegate. I have found some parts diagrams across the web, but would prefer to get details from someone first hand. The CBU seems G3 Vacuum Turbocharger Wastegate Actuator / 08~13 BMW N55 B03 135i 335i 535i MAMBATEK $138. My question is can I swap to an EWG so I don't have to swap vacuum pumps? I don't currently have the tool for a vacuum pump replacement. Loose vacuum lines to vacuum accumulation units. If you buy from the dealer it's outrageously priced and you only get it in 3-foot lengths, so it's probably smarter to buy a spool of it in your choice of color. These are perfect for running Oct 4, 2021 · I keep getting drivetrain malfunction daily. Luckily there seems to be relatively little CBU. Jul 25, 2021 · Your are missing a vacuum hose. 0L, BMW Z4 sDrive35i N54 3. – Oil feed stainless steel braided AN lines – Stainless steel oil feed – Turbo oil drain coupler – Oil Drain Aeroquip Hose – All Stainless steel hose clamps – External Wastegate and dump pipe Why going Stage 3 with BigBoost? – We have done intense and harsh in-house testing, measuring individual cylinder EGTs, and back pressure. Genuine BMW Turbocharger Vacuum Line - Vacuum Reservoir to Wastegate - E60 E61 Genuine BMW T#: 36982 | Part#: 11657565806 Part#: 11-65-7-565-806 N55 Vacuum hose replacement All times are GMT -5. Here is the official troubleshooting guide: Service Plan - Check wiring harness between DME and charging pressure sensor ‐ Replace charging pressure sensor - Inspect wastegate valve to determine whether it is sticking in open position - Check wastegate valve electropneumatic pressure converter - Check vacuum line and vacuum I would take Why is the pressure so high in a wastegate vacuum line? Something seems wrong here any additional info? Sep 27, 2019 · With the N55 turbo's high exhaust backpressure, the twin port setup can more effectively combat the effects of autowastegating at higher engine speeds. You can choose options, 1/4" barb, as well as 1/8NPT plugs if you only want one barb, etc. Look for loose connections, vacuum leaks, or anything else that could be causing the trouble. One of those nipples hooks to a vacuum line that goes to the exhaust flap back behind the muffler. « Previous Thread Next Thread » Help with Wastegate Vacuum Line! Oct 20, 2021 · « Previous Thread Next Thread » Dropping RPM and engine shaking Apr 28, 2016 · 2011 335d Vacuum Line Replacement Tips, Tricks, and PhotosAll times are GMT -5. I’m running rich which is causing a misfire and throwing the MAF code, and I have replaced almost everything that causes these symptoms. The Vacuum-Based Pneumatic DIY: Understanding the N55 PCV Valve of DoomBMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > DIY (Do-it-yourself instructions) DIY: Understanding the N55 PCV Valve of Doom Feb 17, 2019 · Been getting 2882 and 2883 codes for fuel trim on bank 1 and 2. If the moisture inside freezes and blocks the PCV system, you’ll blow out all of your oil seals as the crankcase pressure increases from normal piston blow by. The wastegate is located on the turbocharger and variably adjusts the airflow to the turbine to optimize the boost pressure. Ensure the engine is cold before installation. Disposing of the vacuum lines is quite an enormous addition. Even though we used a 2011 335i to perform this repair, this article can be applied to any BMW vehicle with the turbocharged N55 engine including 1,2,3,4,5,6,7,X1,X3,X4,X5 and X6 models with minor modifications to the repair steps. It's the black box on the exhaust side of the valve cover with the vacuum lines. 10 psi), the pressure overcomes spring tension in the actuator. N55 Code 2C57 - no boost leak!? - Page 2All times are GMT -5. INCLUDED IN THE KIT BorgWarner S363 SX-E Turbo T4 Manifold with studs and nuts (ceramic or non-ceramic options) Stainless Tubing Wastegate Pipe - (Recirculating or Open Dump) RH Engine Mount Bracket Coolant Block Manifold Silicone Coolant Hose May 29, 2019 · I'd start with a pressure converter. Removed vacuum line from vacuum pump to vacuum "tank" removed, with hard plastic part of line holding pressure (done in hand), and flexible connection to vacuum pump replaced, and clamp installed. Oct 31, 2021 · Vacuum Line diagramAll times are GMT -5. Check Wastegate on N55 6-cylinder engines: ur car. Like its predecessor, the N55 is a turbocharged 3. The other one goes to the pressure converter that controls the wastegate. Feb 28, 2021 · BMW N55 EWG vs PWG. Both of the following: Part # 11657605416 is a very short vacuum hose and part #11657588773 is a much longer hose encased in a braided heat shielding material emanating from the pressure converter. That's what BMW calls it. pdf (1. This part is listed by BMW as BMW part number 11747626351 and is described as Pressure Converter. Solenoid to wastegate vacuum hose replacementI moved the clip near the exhaust manifold to be up on the heat shield on the side of the bay. For vehicles built usually after 2014 with electric wastegates and electric muffler valves, these ports are unused and can be left open to atmosphere. 0l n55 f10 turbo vacuum hose line pipe 7588771 rhinosource (5163) 100% positive BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications Is it a boost leak or just a bad boost solenoid? I have a 2018 X4 M40i with N55 EWG that has a boost or vacuum leak that I can’t find. The time now is 05:38 PM. « Previous Thread Next Thread » N55 Vacuum Lines/Hoses Replacement It seems like the boost solenoid might be causing the issue. can anyobody advise if it's a faulty vacuum pump or solenoid or wastegate? looked it Jul 30, 2025 · Can you drive with a bad wastegate? How do you test a wastegate valve? How do you test if wastegate is working? How long should I let my N55 warm up? Is the 2011 N55 reliable? Whats the most HP a N55 can hold? Do you need a tune with a new wastegate? Can you move a turbo wastegate by hand? What happens when a wastegate sticks? It's actually the actuator for the pneumatic wastegate, which vents excess boost pressure on N20, N55, N63, and S63 Engines. Jun 18, 2023 · What you've circled is for PWG N55's to where a hose is connected between this hole and the vacuum pump under the intake. Dealer recommended replacing broken vacuum hose on exhaust flap. Included Barb Fitting Sep 17, 2020 · The vacuum pump provides a vacuum to the brake booster, wastegate actuators, exhaust flap controls, and various emissions components. Sep 10, 2015 · The 2 lines coming of the right side of the head cover provide the exact same vacuum. One vacuum line is for the wastegate the other is for can flap. Oct 29, 2019 · > > > Conventional pressure operated wastegates on the N55 Thread Tools Bookmarks twitter Facebook Digg Google StumbleUpon del. TiAL Wastegate Vacuum Hose ConnectionsCall our experts +1 (602) 437-2101 gofaster@full-race. The time now is 11:50 PM. OEM Wastegate Actuator - Pneumatic - N20, N55, N63, and S63 Engines. 0L, BMW E61 535xi N54 3. Full-Race Spec Vacuum Line Kit The Large T splices into the brake booster line before the check valve. When boost reaches the pre-set level (e. Bimmerforums is the preferred online BMW Forum and community for BMW owners. So this should be a positive upgrade. N55 Intake Vacuum line?? Mar 24, 2023 · Help identifying vacuum hoses and clips usedXBimmers | BMW X3 Forum • BMW X3 and X4 Forums | F25 (2011 - 2017) | F26 (2014 - 2017) • Second Generation BMW X3 (F25) General Forum • Help identifying vacuum hoses and clips used twitter Facebook Digg Google StumbleUpon del. Apr 28, 2016 · 2011 335d Vacuum Line Replacement Tips, Tricks, and PhotosAll times are GMT -5. It replaced the N54, a wildly popular engine known for its potential for big horsepower. Loaded up MHD for the first time (making the switch from JB4 to MHD) with an e30 map. Also, the vacuum diverter valve for the turbo wastegate is a relatively common failure on OG N55. DIY EASY way for N54 Vacuum Lines replacement of Front Turbo ActuatorAll times are GMT -5. Documentation does exist and let me know if you want me to send it to you, I went through this same thought process myself. It's at the top of the engine on the passenger side (somewhere along the silver pipe/tubing seen in video). The time now is 06:29 AM. Has anyone heard this noise in their car. Since you also mentioned a slight loss of boost, check the whole boost system carefully. N55 Intake Vacuum line??BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications HELP. 00 Item No. Apr 6, 2022 · Your boost is low, and your wastegate duty cycle is extemely high. Jul 8, 2022 · The StraightGate50 from Turbosmart is the world's highest-flowing external wastegate! The StraightGate50 is a zero-offset butterfly-style wastegate that allows enormous flow, almost linear control, and unparalleled boost control throughout the entire operating range. « Previous Thread Next Thread » (SOLVED) N55 boost leak please help Used to connect your EBCS (Electronic Boost Control Solenoid) to your boost reference (vacuum line, boost line) and wastegate. The two diagrams above give you a starting point to locate leaks. us My Yahoo! Vacuum System The N55 engine is equipped with a vacuum pump for generating the vacuum required by the brake booster and the auxiliary consumers (exhaust flaps and wastegate). Check for a cracked charge pipe. Jul 8, 2025 · 2011 BMW X5 xdrive 35i E70 n55 2C57 Charge-Air Pressure Control Lower Value Boost Pressure too low turbo split vacuum hose solenoid valve Posted at 09:24h in by fluidmotorunion 2 Comments SYMPTOMS OF BAD WASTE GATE ACTUATOR ON BMWIf you have BMW in this video we will explain the symptoms of bad wastegate actuator and how to know that you have N55 Boost Solenoid Replacement F10 535iWas getting a boost too high (120208) when cruising or going up hill. 43 MB, 3124 views « Previous Thread Next Thread » N55 Vacuum Lines/Hoses Replacement Hi I'm Daniel and assisting you today on your inquiry. May 6, 2025 · A vacuum or boost reference line connects the intake (or charge pipe) to the wastegate actuator (a small chamber with a spring-loaded diaphragm). Cracked vacuum line rear turbo waste gate. The parts list includes red, blue, and black hose options, plus a black hose with a braided sleeve for durability. But you're only seeing half of the vac system because the beauty cover hides the rest. What is causing the oil to get into the valve cover chamber, and leaking out of the fittings into the wastegate solenoid? If it were a fault pcv system, I Nov 12, 2024 · I just replaced the valve cover on my 2012 X5 xDrive35i (E70, N55) and as I'm putting things together I realized I relied a bit too much on the guides N55 Code 2C57 - no boost leak!? - Page 2All times are GMT -5. How to get to exaust flap vacuum lines?All times are GMT -5. The electric diverter valve is intergraded into the turbocharger compressor housing. i remove the engine cover and there was oil in the vacuum reservoir. 0L, BMW Z4 sDrive35is N54 3. 2CA3 Wastegate valve, activation: Line disconnection We are looking at an issue with the wastegate control. : 023-0257VAA Jul 17, 2021 · 28A0 Code Diagnostic Wastegate Reservoirtwitter Facebook Digg Google StumbleUpon del. « Previous Thread Next Thread » Wastegate accurate setting May 29, 2019 · I'd start with a pressure converter. us My Yahoo! Mar 4, 2024 · twitter Facebook Digg Google StumbleUpon del. Vacuum System The N55 engine is equipped with a vacuum pump for generating the vacuum required by the brake booster and the auxiliary consumers (exhaust flaps and wastegate). I can't find much on how to do this myself. The Vacuum Internal Wastegate (VIWG) is designed as a factory replacement for Vacuum-operated turbocharger applications. icio. These are a fairly common failure item, and also a good maintenance piece if doing any turbo maintenance on these engines that use the pneumatic wastegate actuator. Learn about the different wastegates on the N55 engine. Solution: high grade silicone vacuum lines. Smoke coming from it suggests a leak, which could affect your brake pedal feel, especially during cold starts. « Previous Thread Next Thread » (SOLVED) N55 boost leak please help Get your SPEEDTECH N55 F2X/F3X NO TURBO TOP MOUNT OPEN DUMP WASTEGATE KIT and save at A&A Performance. But your LTFT and STFT look good, and your load actual is low - that indicates you're not leaking any measured air that got sucked through the MAF, so don't think the problem is a boost leak. com DIY BMW N55 Turbo Wastegate Actuator Replacement PWG 335i E9X LCI | PWG Actuator Replacement/Install bimma 79 subscribers Subscribe Oct 7, 2021 · Vacuum line from valve cover vacuum box, across near firewall to driver side of car replaced at connections accessible and holds a vacuum (20 mm mg). At this point, I realized the wastegate pressure converter would not hold pressure and replaced it along with a few inches long new blue silicone vacuum hose shown above. All times are GMT -5. Can someone(s) with a bone stock n54 335i confirm that this diagram is the proper factory Customer: 2011 bmw x5 3. Anybody try it and have any DIYs Thanks This Genuine BMW Turbocharger Vacuum Line - Vacuum Reservoir to Wastegate (Mfg#11657565806) fits BMW E60 535i N54 3. BMW Turbocharger Wastegate Vacuum Hose - Genuine BMW 11657570642 320i, 320i xDrive, 528i, 528i xDrive, X1, X3, Z4 Save for later Available In Stock N55 - Why is there is vacuum line going to charge pipe? Hi, as I'm finishing my engine swap project on F20 N55, I met with strange modification done by previous owner, and more importantly I do not understand how the whole vacuum piping works. F30 N55 broken vacuum line on intake, reinstall I managed to break the clip of the vacuum line on the intake upon removing it. « Previous Thread Next Thread » vacuum line fix - low boost, underboost, 30ff, wastegate rattle Jul 7, 2014 · I am trying to clarify how my [our] car's turbo vacuum lines are run vs how they should be. 0L L6 N55 I replaced the leaking valve cover assembly. Plastic was brittle on the ring and snapped. May 14, 2021 · twitter Facebook Digg Google StumbleUpon del. I ended up having the wastegeate hold shut and thank god i had overboost protection turned on in tunerstudio. For vacuum-controlled wastegate turbochargers: Unplug the vacuum line going to the dash pot (see Figure 13). Aug 3, 2020 · I was moving over the ECU and noticed that the vacuum pump is missing a vacuum line output for the wastegate. The time now is 07:40 AM. Later I noticed an oil leak from the turbocharger wastegate vacuum solenoid. The time now is . 0L, BMW E60 535xi N54 3. 0L. Available as a kit including the fittings only if you already have a boost control solenoid, and available as an add on for the Full-Race 3 Port MAC Boost Control Solenoid. It lessens the opportunity of wastegate and under-help issues. ubiitudfxbelmararjwqbcapsrpytmirqwmqxzgppoydxuvhvpfxbxxfjxufmongxmwsfiqogh