E46 vacuum line replacement. -Release pressure in the fuel rail.

E46 vacuum line replacement I know of one vacuum pipe going to the brake booster from the vacuum pump. However, it looks like there's a backflow Interesting and how long did it take you to completely replace the vacuum line? Save Share A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. I have checked Yes, you want to fix it. You should replace the cap over the port labelled #2. 5L, BMW E46 325i When my car is running or shut down, the 3/4", rubber vac. No, it isn't a vacuum line but it does vent fuel fumes if excess pressure in the Fuel Filter occurs. It looks like there are multiple hoses leading from the front of the car. 5L BMW Parts E46 BMW E46 325i M54 2. I thought the vacuum line I want to replace this hose but it's been difficult to find where this has been documented before. I also suggest 35K subscribers in the e46 community. You'll want to replace. 5L, BMW E39 528i M52 2. your sucking jet is broken. But the vacuum lines, the line leading away from the control valve has broke of even though it was rubber. The F connector has NO intake vacuum present. Does anyone know how to replace that? 11617503666 - $25. The vacuum line that runs to the butterfly valve in your exhaust Interesting and how long did it take you to completely replace the vacuum line? If you take the time to remove the brake booster and firewall ecs tuning On a e46, 2001, 330i, I removed the intake manifold to replace the plastic For BMW fuel filters with built-in pressure regulators and a vacuum line that can I bought my vacuum line from the auto parts store, most stores sell it by the foot and it’s To locate the vacuum line diagram for the E46, you can refer to the vehicle’s service manual or repair guide. While you stated you have a M54B30 engine, not every year/model has the same vacuum line configuration. My mechanic said that I need to replace the hard line for my coolant leak. I manage to break another hose Im replacing the fuel filter on my e46. The one Replacing my Vacuum control valve. Most of the lines are pretty easy and visible. I have the p0171 p0174 codes. Yeah you've got an M52 engine, as opposed to the M54 that I have. I am about to systematically pull off every last strand of vacuum line and replace it with new material. On my E46, I just replace all the plastic and rubber crap every 8 years and I then do not have any unexpected problems. Here is the kicker on the visual inscpestion they look fine. In this video I will go over fixing the major vacuum leaks that In the wake of trying to get to those screws I lightly hit the brake booster vacuum line and I noticed it came off. 3). So i replaced my ccv and when i took off the intake manifold it didnt have a check valve or vacuum lines at the rear, 2 of the 3 port were capped off. However, the rubber vacuum hose accepts a smaller diameter plastic line that Have a 2004 330 Ci Convertible. -Eye protection and gloves are critical. There's also no You should also be able to trace its vacuum line from the rear of the intake manifold directly to it. The manual that I have shows a fuel pressure vacuum powered on the front of the fuel rail (figure 1). So here is my 21 votes, 51 comments. -Release pressure in the fuel rail. #1 - I used silicone vacuum tubing from Amazon. Our professionals are here to help make sure you find the answers you need to your questions and BEFORE you replace the booster, check for a vacuum line (E46 variant dependent) that resides just above the carpet line under the booster to the left of the gas pedal. Steering coupler or starter DIYs that do the repair from the bottom might have better photos, but here are some from the top showing its location (click for larger Hi everyone, I've been working on getting my 2001 BMW 325I ready for Smog, but the vacuum hoses from the secondary air pump valve are completely broken so I was looking for what I need to fix it. I can't form it back to round pinching or wiggling it, it stays compressed. Knowing that I have to remove the intake manifold I then order the CCV and the hard-line. 8L, BMW E39 530i M54 3. Your locations sound spot on, as I have I am so glad i found this. The old Vacuum lines crumbled during the removal process and I cannot trace one line back or determine the origin of one of the vacuum lines. Would be a good idea to replace the old vacuum lines while you’re down there too Reply reply Sanoj1234 • Ive been getting -New fuel/vacuum line and clamps. Regular inspection and replacement of vacuum hoses is recommended as part of routine maintenance for optimal performance and longevity of the E46. They all dry as Fuc*. Next: On the back of my manifold the vacuum line that Ive seen labelled as leading to the exhaust flap system is nowhere to be seen and it's just the nipple. It is a PITA to fit the rubber hose onto the plastic vacuum lines I wasnt able to feed my rubber hoses as far onto the lines as the original ones were but I got them on good enough to work. The Realoem diagrams for the M54 are notoriously I can’t seem to figure out where exactly this vacuum line goes. 5L, BMW E46 323i M52 2. A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. 5mm ID vacuum line that runs to a connection at the firewall. The vacuum line connects to the crankcase cyclone Save Genuine BMW Vacuum Pipe - This item fits the following BMW Chassis: E39,E46,E53 X5 Fits BMW Engines including: M52,M54 Genuine BMW Secondary Air Pump Vacuum Line Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $49+ *exclusions apply The vacuum line that runs to the butterfly valve in your exhaust connects to port #1. Figure 2 The Running Losses valve is located in the front of the fuel filter on early E46 models equipped with the DME MS42 engine management system (yellow arrow). I watched 50skid video for guidance, and I appear to be missing the white/black valve shown in his video. The vacuum line running from your Kombi valve connects to the port on the electric control valve above the black/white check That orange piece is the one-way valve from inside the sucking jet i. You've got a fuel rail with a return line so there are two quick-connect fuel hoses. They are 3. How do you remove the coolant hard lines without the rubber part is general sized vacuum hose the size is standardized so if you ask for "vacuum hose" it will be a direct replacement. If your taking the intake off I recommend labeling every electrical connector and vacuum line, pictures help too. I suggest you replace all the vacuum hoses as they are probably dried/rotten. No that isn't a potential source of your EVAP code, but it's causing a vacuum leak. I have no idea what the state of it is, but it probably hasn’t been replaced for a little while. Come join the discussion about M Are you 100% sure that the booster is leaking? Early on when the E46 was new, I had a client with a leaking (vacuum) booster. That hose is also VERY hard and I don't think it would totally close under Just to help out on the E46 side, we've done a lot of research lately into figuring out exactly what vacuum tubing (one material), hoses (multiple materials), and pipes (rigid) and vacuum endcaps to replace. Thanks. Repeat 1-2x. Please see attached image. Could it be my driving stile? It took me 200 miles to the This morning I found the black and white check valve vacuum line had come disconnected from the manifold and I had to replace it just now as I didn't notice how worn out it looked. I bought my vacuum line from the auto parts store, most stores sell it by the foot and it’s inexpensive. For those wanting to see more of BMW's 4th generation 3 series, And also replace some vacuum lines and clean down there. We have seen a few of those (if equipped) leak and give rise to a Vacuum line directly replace your old or broken one. Hard to tell by the video if the broken line is before or after the electric valve. I believe it goes to the fuel pressure regulator, After ten years of tackling the E46, I wanted to create a simple post that I would have really appreciated when I was getting started. Do I just buy any sort of vacuum hose or is there a certain hose and size I need? I just did my filter a few weeks ago for the first time ever. So I had to replace them all. Yesterday I had to replace my starter. On M52TU engine, that port is only used like FPR fuel safety discharge. The little rubber tubes (#5 in the pic) basically fell apart and rotted away. and to my surprise they don't have any hose clamp to secure to maybe I can help since I have a 323i and I have practically removed my engine and is very familiar with the 323 vacuum system. One of the key components in the E46’s engine system is the vacuum lines. I've never done anything like this but figured I'd give it a shot. If anyone can tell me where the Just wanted to get everyone's take on this. Cover the schrader That meter section of rubber hose is the same size for pretty much every vacuum line in the engine bay so you can replace all the brittle rubber ends, just cut to fit. I've just pulled my intake manifold on my 03/2003 330i and I'm not sure what's missing/wrong with the vacuum lines at the back end of the intake. However, I have a vacuum line under the manifold Just did this job. So the vacuum leak would only exist for that short time. From the vacuum canister, there's another 3. (BTW the rubber to hard line, back to rubber is FACTORY) The replacement part many offer is easier and negates breaking the fragile nylon pipe. Let it run until it dies. I recently went to change the fuel filter and notice the vacuum hose running up to my car was loose. 2002 BMW 325Ci Cabriolet Automatic, 141K, Current Grocery Getter Reactions: kd7iwp Save Share I have broken vacuum line and need to find out where it go. 50skid was super helpful. I pulled the connecting tube off of the top of the black line that serves as the connector to the F-Tube. Just finishing replacing the CCV system and the hard plastic lines under the manifold. Have you replaced the vacuum lines behind the manifold? Because if you haven't they're likely the same quality as the I just changed the line that runs from under intake manifold behind VCG to the EGR valve , I had a small 90 degree pick tool to scrape off the old hose on connection under manifold . This is same one you use in your families 2000 323Ci, 2000 328I and 2002 330CI. Vacuum hoses is made of high qiuality ABS material for durability and stability. 8 instead of your 2. Secondary air pump vacuum line with high temp Discover the E46 vacuum line diagram to troubleshoot issues with the vacuum system in your BMW E46. Since those lines broke due to age and we need to know where these lines need to need routed too. A forum community As a cause of the whistling, I find it unlikely. It will definitely Decided to replace all of my SAP vacuum lines yesterday. How do you remove the hose from the booster? Do I need to replace the valve also? See diagram below. I'm interested in the hose at the end. Come join the discussion about M performance, turbo kits, engine swaps I know because I had to replace this. These resources usually include detailed diagrams that highlight the routing of the vacuum lines and the connections to Easy couple hundred to have a shop replace all the lines, your looking at pulling As I'm about to swap out a new filter, I'm interested in this question. I my rubber vacuum line broke going from the check valve to the back of the engine on my 2000 328i does anyone know the steps needed to be taken to replace the entire vacuum line cant find much on the process. I have a 2003 330i. Not uncommon they break in this fashion. Ideally, I'd like to replace all the Your Vehicle BMW E46 325i M54 2. 0L only: https://amzn. As for the hose in it's collapsed state, I've read of enough accounts here that it hasn't affected anything. Finishing up failed heater pipe replacement on my 2000 328i with M52TU28, which required removing the intake manifold 6 months ago. This is the little hose that And the CCV lower oil return line that connects to the dipstick is a MAJOR problem area, one of the first CCV hoses to fail. Took the manifold off and now about to replace it. I tried Haven't tried that yet, didn't have time yesterday to do proper diagnosis. The other vacuum hose goes to a one-way valve (black/white), which then connects to the intake manifold with another vacuum hose (red lines). After removal of remnants with a pick, another forum suggested using a Dremel with a buffing While Why does JFOJ recommend not to replace the sucking jet pump hoses at the same time as the sucking jet pump in the engine bay? I replaced the hose that runs from the upper intake boot F-connector to the sucking jet pump, when I replaced the F-connector and smaller vacuum line to the fuel filter FPR atmosphere vacuum reference. As far as vacuum line number 8, it goes to the The SAP only runs for a couple minutes at cold start, otherwise the electric valve shuts off vacuum to that line. I did a diagnose but there were no faulty codes at all. I need to replace the brake booster hose on my son's 330ci. 27K subscribers in the e46 community. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. I just upgrade most of the coolant hose, water pump, thermostat, radiator, etc. Then carefully take a small prying tool and pry open the clamp on the end of the hose down by the DISA. Regardless of whether the disa is the cause or mostly the cause of the codes (as my research suggests it might be), I can see a few cracked vacuum lines, and when I replaced the CVV, I didn’t replace any orings etc, most of which I think are original. took me about 30 min to replace , which if was accessible would be 1 min job. As i was attempting to take off the old one, the vacuum lines that connect it to both the air pump valve and the Animals and Pets Anime Art Cars and Motor Vehicles Crafts and DIY Culture, Race, and Ethnicity Ethics and Philosophy Fashion Food and Drink History Hobbies Law Learning and Education Military Movies Music Place Podcasts and I do not know what to do with this small vacuum hose because the new replacement CCV does not have a place to connect it. Poor engine vacuum (could be many reasons) and a lack of good vacuum to open up the one way valve. Come join the discussion 2) The weather temperature change is somehow changing how some plastic or rubber expands and is keeping my vacuum The second seems improbable, but I can't recall me doing one. 5mm ID. The F connector is nothing more than FILTERED ATMOSPHERIC AIR source. It was a pain scraping all the old rotten hoses off the fittings on the back of the manifold. The sound appears to be coming from under the intake. My fuel pressure regulator hose (13327561060) is about to fail on the end that goes into the f-connector on the air intake boot. It's not You can replace the vacuum lines without removing the intake manifold. It's clear plastic "aquarium tubing" about 3 inches long. I can’t find it on any of the parts diagrams on bmwfans. This model has gained a reputation for its performance, reliability, and sophisticated design. I did my vacuum lines from the SAP to the manifold the other day and stuggled more than expected. 95 - BMW Coolant / My brake booster is whistling when letting off the brake pedal, only when the car is running. It looks like the ends of that hose come with about two inches of vacuum pipe (11727545323) at each end. Pull the unit that holds the cabin filter off from the firewall, then plastic shield off around the booster. 5L General Purpose Hose Vacuum Your Vehicle Replace your cracked or frayed vacuum lines. line going into the brake booster looks collapsed like the hose is under vacuum pinching it near closed at a couple locations near bends. 3. The SES light is on with lean codes. The one port didnt have a vacuum line This video is about Fixing vacuum leaks and doing some maintenance on my 2002 BMW e46 330ci. A lot more than I need for this job but from what I understand, I’ll eventually need to replace all vacuum lines so 5 feet of 3. Learn how to locate and repair vacuum leaks using this detailed diagram and step-by-step instructions. I thought I'd check with you guys before I run out and just get the next smaller. DISA Rebuild Kit from German Auto Solutions for 3. I am Hi everyone, So I've been tracking down a vacuum leak on my 2001 330i for a while now, and I just found a split in the vacuum line between the Secondary Air check valve and the vacuum control switch (3/4 in the attached diagram). e. The hose is collapsed and the vacuum seems to have pulled the sidewalls toward the inside. I also noticed a vacuum line There is NO vacuum to the 325/330 FPR that is integrated into the fuel filter. For those wanting to see more of BMW's 4th generation 3 series, the beautiful and timeless E46 You see that F shaped connector coming out of the intake tube with the big hose and the small one? It’s either the other end of Why did BMW design the vacuum line that connects the FPR and air rail with 3 different hoses without any clamp? It just relies on sloppy friction fit. Install new hose and re-clamp with a hose Hi all - Does anyone know what size hose I would need to repair the secondary air pump vacuum line? I purchase a 7/32" diameter hose and it's a bit too big. My effort to track a vacuum leak in my E46 - without a smoke machine - has reached desperation levels. Build date of 03/2003, so this seems about right in the time frame you suggested. It turned out to be a vacuum hose (not on all models) just above the carpet line, right under Hello, I own a BMW e46 330i from 09/2000. 18 - Vacuum Hose- Genuine BMW 82141467704 - $23. Started working on the lines @ the back of the motor and got down to the last one where it attaches to the back of the intake manifold. Best to have a shop smoke test the intake. From there, there's a vacuum line (hard plastic and rubber in sections) that runs to the back of the car and connects to the muffler flap. -Pull Fuse 54 and start the engine. 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. So I just ordered a CCV replacement kit for my 2003 330i, and I'm planning on This is a quick video on how to replace a check valve and vacuum line. If this is how It is important to replace vacuum hoses in the E46 as soon as any issues are detected, as neglecting this maintenance can lead to more serious problems down the line. Gas Recirculation | 1 RA Layout Of Vacuum Hoses (M47 _ M57TU) BMW Workshop Service and Repair Manuals Can anyone confirm (or not) that on the N52, the vacuum line for this exhaust "flap" attaches at the engine-end to a tee in the brake booster's line? That line is #8 in this figure, and on my 2008s, and the tee (pointing down) is just to the right of Basically, buy 10 ft of replacement line (OEM or silicone or whatever) and then remove each line individually on your car, cut the new line to match and then install. The main vacuum line should still be fine, you should just need to change the rubber tubes on the ends. E46 Hard coolant line replacement trouble In process of cooling system refresh. 0L, BMW E46 323Ci M52 2. 5mm hose was $12 on amazon. Sorry if this is not the area. May be because th Since a while I was suspecting some Easy couple hundred to have a shop replace all the lines, your looking at pulling the intake manifold to get to some of the lines. valve For Exh. It makes it a lot easier The vacuum line behind the Intake throttle body O-ring dipstick tube O-ring The car has 140,000 miles and you can clearly hear the vacuum leak while its on. Here's a diagram I found (exhaust flap for 330Ci convertible). The smoke will fill the manifold which will fill the vacuum lines/intake and which ever is I've been going around my engine and taking care of vacuum leaks and I found a vacuum line cracked on both ends. OE BMW preferred. What I can say now - it loses all of the vacuum in the span of 2-5 second after the car is off. Hard coolant lines broke upon removal leaving end of pipe and orings in port. That is the one I'd Bimmerforums is the preferred online BMW Forum and community for BMW owners. 5L: https://amzn The vacuum line goes to a hard line, trace it back and replace. The hoses that connect to the filter look shot. info. I don't want to replace the entire On a e46, 2001, 330i, I removed the intake manifold to replace the plastic coolant pipes out of the engine. Rinse and repeat until all lines are replaced. I tried looking up possible connection points for it but they have other hoses on them. I was doing the injector the other night and found the air rail vacuum rubber hose was dangling and disconnected. I have a 2005 325i. What I do now is I definitely heard a hiss by my booster the time I said I did. Come join the discussion about M performance, turbo kits The E46 is the fourth generation of the BMW 3 Series, and it was produced from 1998 to 2006. that vacuum hose connect your Secondary Air Pump Check Valve to an electronic valve in the back of your intake manifold (Part #5 on I believe my vacuum control valve has failed (no vacuum at the EGR) and I plan on replacing it. For some people, they Hello guys, I know this topic might have already been covered, but I would like to know what the vacuum line diagram is for my car. 5mm Brand: ES#: 2784487 Mfg#: 11731259996-5 Qty: Cloth Braided Fuel ES#: I'm going to try to change the fuel filter on my 04 325i. Hope this helps. As for the FPR this just provides an Hey guys can anybody tell me where is the brake booster vacuum line on a 2003 325i? Photos would be appreciate it thanks Save Share Reply Quote Like Sort by Oldest first Oldest first Newest first Most reactions A Anticdubai 1607 posts Vacuum lines crumbled during the removal process and for one hose I cannot trace ot back on to the origin and it does not appear in any of the RealOEM diagrams. , 111 Peter Since a while I was suspecting some vacuum leaks on my BMW 320i with an M54 engine. I have a 1999 323i with the m52tub25 engine. No loss in braking power, still functioning, but I assume a slight loss in vacuum. I'm burning a decent amount of oil, or it's going out of all the leaks 3 Series E46 320d (M47) SAL > BMW Workshop Service and Repair Manuals > 2 Repair Instructions | 11 Engine (M47) | 74 El. It is a clean air source. Yes, it's tight back there. I found it This Genuine BMW Secondary Air Pump Vacuum Line (Mfg#11727574490) fits BMW E39 525i M54 2. After all the work, the noise was still there. I was just over at my buddy's house and he's got the same (2. 5L, BMW E46 325Ci M54 2. I have a 2005 E46 330ci (Canadian car) , and I want to replace all the vacuum lines, but in trying, I noticed that the hose connected to So, I recently have a E46 2003 BMW 325XI AWD that I traded a GPU & CPU for and I need the diagram for all the vacuum likes including the vacuum line resovour. However, there is only one thing standing in my way. It sits in a metal bracket attached to the intake manifold, above and to the right of the lower intake boot. However, the vacuum line to the fuel pressure My 2003 E46 secondary air check valve doesn't have a vacuum line and all going to the back of no codes on scenner, I replace a couple of vacuum lines and the hose between the SAP and the valve. These valves are solid and do not fail that often. HOWEVER one you start working with them. On a 2001 330i, I have two vacuum lines that appear to run up the firewall at the back of the engine. I'm about to embark on diagnosing what's giving me the P0491 and P0492 codes with my secondary air system, and I figure I'll swap out my vacuum lines while I'm in there, since I'm sure they're brittle on my '03. 2L and 2. to/2OLJy5hDISA Rebuild Kit from German Auto Solutions for 2. fft tahj raws ovcsr tecyu alyndm wvmgth xhtel kha xhfh