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BMW 335i N54 Boost Leak Problems: Solenoids, Turbos, Smoke Test

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After checking the last data log i noticed the E92 335i n54 is struggling to meet the boost target. This normally means it will have either a boost leak, faulty boost solenoids or failing turbos. In these video i go through a few steps on how to check each of those.
If you are having trouble tracking down a boost leak or similar issue let us know in the comments below and we will get back to you asap.
#30ff #boostleak #n54diy
Want some #teamn54 merch? Teespring Store - bit.ly/3fh0bT5
UPDATE AUGUST 2020
The car is tuned currently by JSRTuning and its performing so well. Please go and give JSRTuning a sub on youtube. Its mainly n54 racing vids.... i mean what more could you ask for. bit.ly/3dCM60F If you do contact JSR let him know you heard about him on Zeroto60.
Check out the full playlist on this car - bit.ly/2xc0EoA
Budget Build Parts List So Far
Turbos through eBay
RHD UK/Australia - ebay.to/2PKAgId
LHD USA/Europe - ebay.to/3hN9awQ
Turbos through Amazon
17T RHD / LHD Listing amzn.to/3efnoDQ
19T LHD amzn.to/2VZuV3i. (these are slightly bigger then mine, i wish i got these)
19T RHD amzn.to/2ZXg0Ib (these are slightly bigger then mine, i wish i got these)
2 Inch Inlets - ebay.to/33Qi9ZJ
Gecko Coilovers - ebay.to/3jrUIeI
Rocker Cover - amzn.to/33caOBd , ebay.to/2TIRQyZ
-10an Line & Fittings Kit - ebay.to/31GFsCB
Trans Cooler - ebay.to/3gOkbxy
Elder Coils - ebay.to/38Izq5R
Billet PCV Valve - ebay.to/3aS7NJg
China Spec Walbro 460 F90000267 (use at own risk, but that is whats in this car currently - update the second pump in the stage 3 setup, failed straight away) - amzn.to/33fqYZ4
LCI Tail Lights - ebay.to/34KQc3L
12mm Bolt On Spacers - ebay.to/2XRRKah
E92 Custom Floor Mats - ebay.to/2CkgEaX
Smoked Side Flashers - ebay.to/2XPyVEk
Clear Side Flashes - ebay.to/2PMkMUi
My port injection was secondhand. But i may switch to a PI manifold shortly.
#17Thybrids #teamN54 #n54turbo
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Опубликовано:

26 авг 2024

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Комментарии : 130

@40hzMusic 4 года назад

You guys are officially my #1 n54 channel :)

@ZeroTo60Tube 4 года назад

Thanks for that. Definitely flattered. We are learning as we go, so feel free to shout anything out we miss, or if you have any questions just hit us up! Have a great week.

@Twinturbo_ 13 дней назад

Any recommendations for an N47D20C channel?

@owaiskhan8609 4 года назад

Had a similar problem for 2 months after several smoke tests and finding nothing, replaced all vacuum lines and all was fine!

@ZeroTo60Tube 4 года назад

Its a bit of a flaw with the smoke tests, they cant show issues that are only visible under boost.

@TheFrenchPug 4 года назад

That is my next step now then :)

@17t135i 4 года назад

When my HPFP was dying, it caused a 1/2 check engine light and MHD would show shadow codes for fuel pressure issues (Only happened if thrashing it and after I installed an MHD Stage 1 Plus tune). I also had long cranks, the logs would often look good, now and then i'd get one where the pressure dropped too low which would then throw the code again. so it did seem intermittent, my car is only one pump gas. The good news is the car starts faster than it ever did since replacing and have had no further issues. My car has an early N55 Engine, which uses the same HPFP, they re designed it later on, annoyingly on the early N55 you can't log the LPFP via software, so it was somewhat a gamble for me replacing the HPFP first.

@ZeroTo60Tube 4 года назад

That's good to hear. Hopefully i'm in the same boat. How has the N55 been treating you since?

@19kylegreer96 4 года назад

Yep, silicone pipes can be a nightmare, it has to sit naturally, you can't try force it on then quickly tighten the t bolt clamp. Might have to adjust from the intercooler outlet too

@19kylegreer96 4 года назад

Getting the silicone pipe onto charge pipe is a nightmare, idk why but that specific connection is awful to figure out

@19kylegreer96 4 года назад

Just got to the clamp being stripped lol, use a mikalor t bolt clamp if you can get one, they're some of, if not the strongest clamps you can get

@bslothed3211 2 года назад

Ahh tomorrow will be the day I test this. Read it if you like but this is my story lol. Got 335i. Got super happy and loved the thing (Stock). 2 weeks later, I buy MHD package and I see Stage 2+ and I load that without any supporting mods (Car was COMPLETELY bone stock as it gets) and it went hard for ages and loving the thing every day but about a week later, the performance dropped and it was sluggish and I found oil leaking through a small gap in the OEM charge pipe from the underneath. So I decided to epoxy it and it went good again for a while but all suddenly it's dropped off the edge. The car still reaches max boost of 20 but the torque is missing, doesn't feel like a missile, the boost spool time is on the slower side but can't see any boost leaks. So I decided to get a Cobb Charge pipe with stock diverter valves and as being a young guy, I was super excited to fit my first mod and hopefully fix the issue as it was what caused the first problem.. So I spent about 2 hours CAREFULLY replacing the charge pipe and it looked good at the end, but what do you know... The car still felt really sluggish, on the highway and when you put your foot down, it sometimes goes like a bat out of hell and sometimes it's just very meh.. Still today, mhd logs say 20 psi is what it's reaching but it's only getting 490-520nm torque from the previous 740nm torque I use to get... The question is, is that a boost leak causing that torque loss but still has 20 PSI on max load, seems like pressure is escaping but it's still reaching max boost but it just does not feel like it... Hopefully you can shed some light on this, I'm thinking every night going, why the hell did I go straight to stage 2+ not stage 1 first...

@WhiteE7035i 4 года назад

Keep it up with all the great videos. It’s really appreciated!

@ZeroTo60Tube 4 года назад

Thanks for watching and commenting. We appreciate your support. We will have heaps more N54 and general BMW content coming over the next few months. As well as some other cars here and there too! Looking forward to it all.

@jessicaandtrains7768 10 месяцев назад

I had the same problem with that silicone elbow. I didn't realise how big a problem it was until I drove 3 hours to a run what ya brung event. Drove all that way and paid the money to enter only for the elbow to blow off on every run. My solution was to buy a same shape silicone piece that was far longer. Much harder to get on the dam charge pipe and intercooler pipe but once on it couldn't physically pop off

@dirkdiggler9082 2 года назад

Fyi guys...if you dont want to pay big moola for the N54 pierburg solenoids...buy the navara pierburg ones thats cheaper.They work perfect just need to modify the top tab to alighn the 2 holes.Done this yesterday!Boost hard boys!

@TrapN54Tv 4 года назад

Your solenoids could be working but are just “tired” because they’re old. There are hundreds of people struggling with reaching target boost and boost solenoids are the culprit assuming it passes a boost leak test. Good preventive maintenance as well

@ZeroTo60Tube 4 года назад

This is very true, i probably should just do them for peace of mind..... Whats another couple of hundred bucks at this point....... :|

@JerainJezza 4 года назад

@@ZeroTo60Tube Get the Pierburg ones, work great for me and not that expensive! Also check the vacuum line under the plastic engine cover.

@goodmusicunlimited9201 Год назад

I agree. They could be old or contaminated from dirty oil. I suspect that it's not dirty oil.

@cabraljf 4 года назад

One trick I've done to keep the boots from blowing off under boost is to use cheap hair spray as an adhesive. Clean the boots and pipes then spray the inside of the boot and attach them on the pipes. A lot of diesel guys do this and I've done it with good success.

@ZeroTo60Tube 4 года назад

Thats a pretty good idea. We used to use hair spray for motorbike grips back in the day too so i know it would work. Will keep that in mind for the charge pipes for sure.

@MrAACharles 4 года назад

Great content keep it up. These vids will serve as my manual when I start my build.

@ZeroTo60Tube 4 года назад

I'm sure between my black 335 and my mates grey one, we will have plenty more N54 content coming to channel over the next few months.

@keanubrooks4321 3 года назад

i know im randomly asking but does anyone know of a method to get back into an Instagram account?? I was dumb lost my account password. I would love any tips you can give me

@asherfrancisco7417 3 года назад

@Keanu Brooks instablaster ;)

@keanubrooks4321 3 года назад

@Asher Francisco I really appreciate your reply. I found the site through google and I'm in the hacking process atm. Seems to take a while so I will reply here later when my account password hopefully is recovered.

@keanubrooks4321 3 года назад

@Asher Francisco HOLY **** IT REALLY WORKED :O Literally hacked my instagram account after about 45 mins of using the site. I had to pay 15$ but definitely worth the money =) Thank you so much you saved my account !

@pulsechainpete3808 4 года назад

Another great investigation, ever thought about giving remote support for $, you are accumulating a great deal of know how for these beasts

@ZeroTo60Tube 4 года назад

Hey Pete!! I haven't, hopefully, it would be nice to have enough videos out there for people fall back on themselves to find issues. We have been thinking about opening a workshop for cars. May need to get some real mechanics in first... haha

@pulsechainpete3808 4 года назад

Zero To 60 just simple stuff like analysis of monitor logs, they are just lines to me. Maybe you could collect various logs from different 353’s and diagnose potential issues, I’m in😊

@ZeroTo60Tube 4 года назад

Will definitely keep that in mind. I'm genuinely interested in this stuff, so enjoy helping, if only there was an unlimited amount of time out there. Did you get MHD loaded over the weekend?

@cme2nite123 Год назад

Heyy I love your videos I’m having the same issue wit misfire on cylinder 5 AFTER changing my hpfp…. Can you please help me with a solution….I’ve changed all spark plugs & coils & resealed all my injectors but can’t find the problem… do you have any suggestions for me 😩

@goodmusicunlimited9201 Год назад

Your pcv/ccv may need replacement. I'm curious as to if any fault codes came up...

@whois_dev9314 3 года назад

someone please help, i’m getting the code 3100 and my car keep cutting power randomly, i don’t know if i should buy boost solenoids or if it’s something else

@luiscarlosmontanosaenz7717 2 года назад

hello good video, my car was running fine but yesterday I changed the pcv valve because I saw that it smelled burnt, I decided to put a new one take advantage and I put new spark plug and bms high flow filters, and surprise when I started the car it didn't sound the same as before it accelerated and obviously less power and it sounded something like lamineo, and the bov doesn't make the typical noise pst!. With your experience, do you think that the new pcv valve that I put in is related to the problem or was it a coincidence that when I changed all this, something was damaged? I don't know what I should do :(

@cornfedboost 4 года назад

Good vid mate 😊 those turbo systems seem to be way to complicated than what they need to be... could you lower the supplemental port injection to take the strain off the high pressure pump? I too also hope to enjoy my car one day 😂🤣😅🤘

@ZeroTo60Tube 4 года назад

Awesome seeing you in the comments man. Yeah this N54 engine was really the start of the modern turbocharged madness current day vehicles are fitted with. Great for efficiency, but definitely over complicated if all you want to do is make power. I'm still tweaking the port injection settings and if you haven't seen the latest 2 vids i had another problem with my in-tank setup. But she is getting there now.... finally. Its crazy i am about to bolt 2 much bigger turbos on and she still wont have a scratch on ethol... haha

@cornfedboost 4 года назад

@@ZeroTo60Tube thanks man it's good to see some proper aussie content besides my own junk videos... I did watch the one where you were having trouble with the high pressure pump and spaced it with another to find trouble with the in tank pump... ahhh it sounds like it will be a really weapon once you get it all on and going maby have a go and lower the threshold for the port injection and see if it still runs out of fuel with that coming on a bit sooner? In any case it's always a struggle to find out what exactly is the culprit causing the issue 😊 looking forward to see how it turns out...

@joashprice3115 4 года назад

I had like a high pitch squeal and turned out it was the silicon pipe connecting from FMIC to the pipe that travels up to the silicone bend you had an issue with. Just hadn't tightened it after adjusting the height for the top pipe.

@ZeroTo60Tube 4 года назад

Makes me feel a little better haha. Have you had many other problems with your N54 since?

@joashprice3115 4 года назад

@@ZeroTo60Tube no not since then, will see how the downpipes go. I did notice psi peaking at 19 rather than 17 after i fixed it but the logs were looked over by mhd and they said everything was good. Hope you sort out the fuelling be good to see what it does to 60 after that.

@wouterheijmans72 3 года назад

Was wondering if someone can help? I have a Lci e90 n54 335i.. done inlets dci ect.. my WGDC only drops at 4000rpm.. I only get full boost on 4000rpm and don't reach full target.. I dont know where to check for the problem.. any advice will be helpful.

@stenciljunkie Год назад

Do you still recommend the N54 in 2023??

@ZeroTo60Tube Год назад

Hell yeah! Especially bang for your buck performance. however you need to know how to look after one.

@ltdasilva93 4 года назад

Mate, get the ARM FMIC hose kit. I don't know if it will fit your aftermarket 7 inch intercooler but it was plug and play on my Stepped one and it has amazing fitment and the 3" diameter is perfect for extra airflor.

@ZeroTo60Tube 4 года назад

I've ordered a new t clamp. When i thought about it properly, the threads have been dodgy on that clamp for ever. I'd bet i was getting to the point where the threads start binding and thinking it was tight, but it was just the threads, not properly clamping the silicon... ahhh well. My mistake for sure.

@rolberg 4 года назад

Sorry to hear about the HPFP. The charge pipe clamp is annoying as well. Maybe try a different type?

@ZeroTo60Tube 4 года назад

The HPFP is a bit of a pain. But i would rather know for sure i have a good pump, it's another thing not to worry about. I was frustrated when i saw the clamp, i should i have picked up the threads were worn... ahhh well. hehe. At least it's another issues sorted now.

@jdemecdemac7115 4 года назад

Re. the silicon hose, the hose is poor. I noticed it compress easily when you poked it (10:39) Sub'd recently. I too had murders getting mine on but it was very stiff but once I got it clamped tightly it's never come off once ~15000 miles. Keep up the good work. Have I missed the turbo's going on? Have been looking forward to that.

@ZeroTo60Tube 4 года назад

Hey!! Yes it is particularly soft. I have no idea how old it is. Turbos are not on yet. I want to make sure everything is sorted before they go on.

@deanhayes6216 4 года назад

What's a good alternative to the factory high pressure fuel pump? I've read a lot from owners complaining about multiple failures. Doesn't seem that BMW ever fixed the problem and just moved on.

@ZeroTo60Tube 4 года назад

Yeah it appears that way. All of the upgrades for the N54 HPFP basically just overdrive the standard pump. So i imagine any of the issues with the stock pumps will still be there anyway. Would you be interested in seeing the inside of my current pump? I am thinking about taking it apart and doing a vid on the internals to try an understand them a little better.

@MatthewGlad 4 года назад

@@ZeroTo60Tube good idea!

@damianmoore9988 4 года назад

It took me a good day to get that charge pipe to fit correctly

@ZeroTo60Tube 4 года назад

Got there in the end. It was mainly the dodgy clamp giving me the grief... learn as we go. haha

@orinramprashad8860 3 года назад

Hey man I have a 2A98 dme code. N54 (09 135i) any suggestions?

@vuphan8897 4 года назад

How are the turbo performing? I'm interested to see how they will perform

@ZeroTo60Tube 4 года назад

Still working through a few issues. Also just lost out warehouse for work/business, so i will probably be fitting the turbos at home once we get work sorted.

@TheFrenchPug 4 года назад

Oh no!!! Hopefully you get resituated soon.

@TheFrenchPug 4 года назад

Great videos. Getting that silicone elbow to seat right is a pain in the ass. Mine is "sweating" oil now so I got a new one but still have to put it on. I am battling a 30FF code now when I run JB4 with methanol but no problems on other maps. Can I ask you a question about the solenoids? I have 140k miles on them.

@ZeroTo60Tube 4 года назад

Ofcourse, shoot with the question.

@TheFrenchPug 4 года назад

@@ZeroTo60Tube Great! Thank you. I'm getting the electronic boost error code 002ABC. I pulled the vacuum lines, one at a time, off each cannister top and checked for vacuum hold to the solenoids. The front solenoid drains very quickly. The back one drains but at a very slow rate. Is that telling me anything? Edit: Nevermind. I just realized they are Tee'd off together so it's not a good test.

@harbharb1293 3 года назад

Hey, im having the same issue. My clamp on the ER charge pipe piece became loose. And I got white smoke from the exhaust. Since its a big boost leak on my almost 700hp n54, do you think the white smoke was from running rich? I'm praying it's not the turbos.

@abdullahcheema7061 Год назад

I am having the same symptons, were you able to figure out the issue and solution?

@mvs3785 2 года назад

Hello. I am subscribed to your channel. great videos. I have a question about controlling the wastegates solenoids. I drive an e93 335i DCT myself. I have now replaced my turbos and mounted downpipes. A performance exhaust is also fitted. The problem I have is that in a certain rpm range the vacuum to the wastegates is too little so that they open slightly and there is a very loud sound from the exhaust. The Pwm signal to the solenoids is equal to the vacuum going to the wastegates. I also replaced the solenoids just to be safe. I've asked several questions but no one can answer me. How is the PWM signal determined? Shouldn't the wastegates be kept closed with more vacuum? Do you also have this problem at lower revs?

@ZeroTo60Tube 2 года назад

To be honest that could be normal. The tunes open the wastegates to flow and close at a point to optimise spool times. No point closing them early cos it will just restrict exhaust flow. I don’t see an issue with what you have described. What are you trying to fix and why?

@mvs3785 2 года назад

@@ZeroTo60Tube. Thanks for the answer. The problem is the loud noise in a certain rev range. because I only have the performance rear dampers you get a screaming sound between 1200-1700 tower when you are driving quietly. this is not the case at full throttle. Problem is when I drive through the village people are not happy. This comes when the vacuum is about to drop. Pwm of around 20%. if you give it accelerate , it pushes the wastegates open and you get this sound. Otherwise i have to turn the cats back on. They reduce that sound a bit. Greetings Ivo.

@AnthraxVX 2 года назад

anyone else alarmed when he opened his oil filler cap lol

@driftalliance1556 4 года назад

i see yellow slime on the oil cap :/

@ZeroTo60Tube 4 года назад

Well spotted, when i got the car it did have a completed buggered oil filter housing, so i am hoping its just left over moisture. I have changed the oil twice now, but if i let the car sit for a week, the oil cap always has that lovely greeting.

@driftalliance1556 4 года назад

@@ZeroTo60Tube let's hope for the best :D keep it up, i really like the videos!

@driftalliance1556 4 года назад

Zero To 60 it could be the CCV system. That‘s often the cause of slime. And it could also explain why the car is seeing boost at low temp- if the ccv isn‘t working properly the intake pressure isn‘t right at idle. Meaning yout MAP is wrong. That could be it in my opinion, dunno if plausible though. Never seen the CCV routing on an n54. But you could look into it :)

@CATPLAYING 2 года назад

So the orginal hpfp can stand big horsepower but yours was getting weak?

@ZeroTo60Tube 2 года назад

Depends what you class as big power. I would say around 400whp is about the limit of stock HPFP. Turns out my OG HPFP was fine, its living on to this day on another car.

@TrapN54Tv 4 года назад

Your fuel system issues could be ekpm related brotha. When running the car hard, especially with upgraded pumps, the ekpm heats up and causes the symptoms that you’re experiencing. You can code and ekpm 3 to handle the extra voltage of the upgraded lpfp

@ZeroTo60Tube 4 года назад

I am expecting issues eventually with my EKPM, however i think that is just LPFP, which my actual low pressure is has been above 60 pretty solid. Does the EKPM have any impact on what the HPFP does?

@TrapN54Tv 4 года назад

Zero To 60 well an overheating ekpm module will crash the lpfp and will take the hpfp with it. I don’t know enough about your car to tell you definitively if that’s that culprit but it’s worth a shot and you’ll eventually need it coded so why not haha

@TrapN54Tv 4 года назад

Missed the part where you said the lpfp is above 60. Did you log every run? It only takes one bad run to give you those symptoms.

@TrapN54Tv 4 года назад

Is there any way you can post a csv log?

@ZeroTo60Tube 4 года назад

I only caught the 29DC error in a log once. Here is a datazap link. datazap.me/u/zeroto60tube/injector-shut?log=0&data=1-4 You can see the HPFP crash, AFR go lean as it happens. This is before port injection so the coil kept firing. Let me know what you think.

@alexanderfields4172 4 года назад

brother do not turn up boost with stock charge pipe. good luck!

@ZeroTo60Tube 4 года назад

Hi Alexander, this is a metal charge pipe.

@JR-si6ef 4 года назад

Man i see your car that looks almost stock , i cant remember when mine used to look like that lol .. youll have fun once you get to full bolts .

@ZeroTo60Tube 4 года назад

I hope it will be fun. How far have the mods gone on yours now?

@twinscrolled 4 года назад

Get rid of those crappy tbolt clamps and get some proper worm gear clamps.

@taylor1942 4 года назад

So is that a 5/8 in brass plug at the top?

@ZeroTo60Tube 4 года назад

HI Taylor, what time code in the video are you referencing?

@LikquidDutch 4 года назад

yeah that charge pipe coupler is a pain in the ass when I did mine I have to reseat mine like 20 times until I was happy.And yeh the DME will put you into limp mode quick if it sees an issue lol I guess its a good thing its picky as fuck.Which turbos are you planing to run ? when mine took a shit 3 years ago I got them replaced for free with vargas stage 1 turbos under insurance.

@ZeroTo60Tube 4 года назад

I have just gone cheapies for now. The ebay 17t ones. How have the vargas turbos performed over time?

@LikquidDutch 4 года назад

Zero To 60 Turbos were put out in at 80k I now have 115k car made 504 whp on map 7 on e85 . No issues with them so far .

@SuperHbkforever 4 года назад

Oh?? I think I have the same problem? I'm struggling to hit target boost above 15 psi

@ZeroTo60Tube 4 года назад

What boost are you targeting through the rpm range? I should add, my car has never held more than 15psi over 6500rpms on the stock turbos.

@SuperHbkforever 4 года назад

That's good to know. I target 18.5 psi. I only ever got that target by 5th gear...most definitely at 90kph...not any faster

@MatthewGlad 4 года назад

Can't lower the level that the new injectors kick in?

@ZeroTo60Tube 4 года назад

To be honest, i haven't properly looked in to. Maybe i should. Then again i can see the port injection is flowing at 15psi, just not under it. At 6500rpm my stock turbos just dip below 15psi, to be fair i probably wouldn't have this problem with the hybrids as i will be running higher boost all the time and the pi will be working more. Do you think a stock hpfp should handle e70 at this sorts of boost levels?

@MatthewGlad 4 года назад

@@ZeroTo60Tube I'm no expert but from what I have read Ethanol can cause the pump seals to fail and at high mileage I would says yours could be a little worn.

@abuhajebmotorsports4683 4 года назад

Try swapping your ecu as well to the msd81. And there’s a new overdrive option from spool performance on Instagram for your HPFP!!! Good luck sir!!!

@ZeroTo60Tube 4 года назад

Im going to avoid the MSD81 for as long as i can, purely due to cost. I am hoping my port injection will mean i don't need the overdrive. What setup do you run at the moment?

@abuhajebmotorsports4683 4 года назад

Zero To 60 I’m running all index 12 injectors, fuel it stage 2 lpfp (single Walboro 455)new hpfp, vrsf 5in intercooler Cobb charge Pipe, ngk 2 step colder, bav auto high performance coils tmap sensor adapter for over 22 psi . jb4 with a backend flash stock turbos pushing them over 22 psi on e50

@abuhajebmotorsports4683 4 года назад

PSP oil cooler with thermostat delete, and dci and oil catch can of course

@abuhajebmotorsports4683 4 года назад

thelightning87 not where I live here in New England the cold weather keeps my IAT’a down. And my ignition and fuel systems are handling it well my logs are smooth af what are you saying lol holding LP at 70psi and 1900 rail pressure on E50 fuel the boost tapers down to 16 near redline and peak boost at 5800. Spins my 275 rear tires like nothing in 3rd sometimes tq is crazy.

@ZeroTo60Tube 4 года назад

Which back end flash are you running? You're setup sounds like a lot of fun. Also what did the coils set you back? Lastly (sorry for the questions, how did you come up with your map 6 settings? Oh actually one more... haha. What boost does your hold at say 6500rpm in 3rd?

@luislopez4607 4 года назад

Need to fix that problem buy charge pipe and eliminate diverter valve

@ZeroTo60Tube 4 года назад

What makes you think there is an issue with the diverter valves? This is quite an old vid, but the car is now running 27psi on stock diverter valves, no problems.

@luislopez4607 4 года назад

Yeah right,and stock turbos, no charge pipe and no blow off valve...yeah..🤥

@luislopez4607 4 года назад

That plastic charge pipe and diverter valves wont hold 23psi...dont like to yourself I own a n54 335i I know

@ZeroTo60Tube 4 года назад

@@luislopez4607 lol. no this was a very old video. The car is now running hybrids, port injection and probably faster than yours :P haha. Jokes aside the thing is a bit of a missile at the moment. But i am still on stock diverter valves. The 100-200 time is 6.1, which should put it at about 600whp.

@luislopez4607 4 года назад

27psi