R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

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Old Nov 10, 2023 | 10:19 AM
  #701  
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Also if you poke around some bimmer forums you will notice they have same issues with their fuel system as its designed the same way. It basically just starts to fight itself eventually as it was factory designed to only do so much and then we exceed its limits. Its stupid the way it works and throwing larger pumps while everything else is the same just makes it worse as now the giant pump is trying to push it threw and that stupid reg gets overwhelmed even faster whic in turn drops pressure and volume of fuel as it just bleeds back a crap ton to other side and rinse repeat just again fights itself.

But none of this happens until you get to that 300whp ish range. Thats how you will know when others haven't had the issue and claim the power becasue it will have happened to you and others so you will know hey I know what I had to do and if it hasnt happened your not there.
 
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Old Nov 10, 2023 | 10:26 AM
  #702  
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You will see others with same issues on social media sites etc.


 
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Old Nov 10, 2023 | 10:28 AM
  #703  
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Lots of information is just not shared here so need to look elsewhere.
 
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Old Nov 10, 2023 | 10:43 AM
  #704  
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From: OakCreek
Originally Posted by The Devil Z
Lots of it also comes down to tune and while email tunes can be good or even great most of your power will come from a proper dyno tune where the timing can be handled properly. The power on these engines comes from timing. I would rather make the power with the lowest boost possible and keep cylinder pressure in check vs high boost low timing etc.

Stock tmap and fuel system was a issue for me until I went to the link. The fuel reg in the bottom of filter basket also became a issue with higher boost as it regulates over all system pressure while the reg up front handles the actual ijnector pressure. Once the in tank one is over powered it cant keep the line pressure good enough so it opens and dumps back into the pump side of tank as a over pressure venturi over flow.Which means up front the rail is demanding say 65-70psi to compensate for boost the in tank reg cant provide that so the system pressure goes down IDC goes up to make up for the pressure so it just fights back and forth with itself. And again most users and even tuners never experiance or know about this becasue they never dealth with a car at that level of power/demand. The quick fix is to grab the reg of the r56 filter basket and replace it with ours as its like .5 bar higher than ours. Even the dw65 if it hasnt failed from its self which is a known issue cant keep up long term with the deamnds. So you will start to see the issues as well as the power level/deamnds creep up. Its a nig reason why I know people arent close to 300whp as they dont have these issues yet. Its not a oh my car or your car thing eiter it will happend to all of them once they hit this level becasue the stcok design of the saddle fuel tank is the issue not a per car thing. So its not like oh my fuel pump or oh my setup this wont happen thing. Its just not come up yet becasue the deamnd hasnt been there yet. Its why crap gets expesnive and there is not way around it other than start to change crap out pumps lines injectors again not a oh I have done this or that thing again its just you havent maxed out the stock system becasue your really not making what you think you are. Once you start to have fuel supply issues you will know you have hit the 280-300whp ish range. Especially when you can drain the pump basket faster than it can be re filled which happens on corners when the fuel sloshes to other side and your trying to supply the injectors 70psi andf the in tank reg is wide open dumping it gots and the system pressure bottoms out. You will see what I mean. Its a real issue and again not something you will see here much becasue so few have gotten to this level and those that have dont bother coming here to talk about fixes or issues as its pointless to discuss here. Which is again why small niche groups have popped up on the Faceballs aka social media to discuss in small groups amongst them selves. Otherwise hit the old RMW forums read everything in every sub section and piece it all together. Again this is not something that one can say wont happen to them becasue again its just a limiting factor of the entire fuel system BMW shipped with the car and any one change like a fuel pump alone can fix. I have a fuel tank from a euro deiseal as its not a saddle per se but its all just band aides to a complete custom surge tank etc system. Which again means $$$. Your going to run into roadblocks when you get close and thats how you will know your nearing that 300whp mark. Car is a money pit at this level to handle itself basically. Its def fun but you will also start to call BS on others that claim this power level becasue you will know all the **** that wasnt good enough that had to be addressed and changed that they magically havent had to do like there car or combination of magically parts is good enough but magically only they could assemble lol. Welcome to the I know what it takes and others are full of crap club lol.
I am running a 340lph fuelpump and i did modify the badket abit for its pickup as it had a better style pickup. Its not perfect but its definitely better than whst was there stock.
Im not big on dyno tuning , i prefer onroad datalog tuning so i can have my car setup to drive good , mot just make full power. I will always sacrifice abit of power for drivability and thats also why I've been hesitant to upgrade from my ns1 cam to a 469 cam due to the idle overlap you have told me about.
adriancl has really done an amazing job tuning my car and spent alot of time dialing it in.. he is remotely connected to my pc and has monitoring programs running and watches every parameter on my car and saves the logs and will go review them and fix what spots need correction.. lol probably why he never got back to me about attempting to do my e85 tune. I mean , I always pay him extra for the extra work he does but I don't think he enjoys tuning for me.. unfortunately I am **** and need everything done to the fullest but it is what it is..
either you like people like me or you hate me but im gonna do the job to the fullest and if i can't, I won't do it.
just like when I go to put this tvs on. Lol I've been fully porting cleaning and repainting the ic horns , I will replace all gaskets and anything i can see gets checked over and inspected... lol 2hr 50$ jobs always turn into 4hr 150$ jobs... but is what it is and atleast I always have a piece of mind knowing that my car won't leave me stranded or worry about something failing when I pushing it hard..
 
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Old Nov 10, 2023 | 10:51 AM
  #705  
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Dynos are for fixed point tuning. You cant hold a fixed point on road. Say 100 load 15psi 5200 rpms a dyno can hold that spot and then you tune that spot and move to next. Only way to do that on road is yank ebrake and try to hold fixed spot. Road tuning is good as well as its used for final clean up. dynos are for fixed spots and wot. Rest is cleanup on road. Its live tuning vs pouring over thousands of line of log info. End result is bascially same one is just more tedious then other. But since you dont have a live tune option its basically run it log it read logs change re upload rinse repeat vs live changing as it happens. Like old eprom days. Burn install run change burn rom install over and over. Each their own. I am just telling you about the fuel system and a sure fire way to know power levels becasue you will start to have supply issues when you hit that level is all. Its not like it wont happen its just how you will know when your making that much jam. Until you run inot that issue you will know your not there. Tons of information from others to verify what I mean. Luckily I can give you a heads up. Again Others wont know or believe it even happens purely becasue they havent seen it themselves or dealt with it. I am sure if Adrian has truly dealt with that high of hp he would also say yes this happens. So again its just a heads up.
 
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Old Nov 10, 2023 | 11:15 AM
  #706  
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The cam you have is also paired well to the size valves in the head that you have from thumper. That being said the 469 will not loose you anything. No response no bog nothing of the sort. But it also is better suited for larger valves then the version of thumper head you have. As far as the idle thing it was just that the v1 r53 simmens ecu doesnt like it. The v2 VDO ecu has more tuning variables then the v1. So the v1 might not handle its idle characteristics. The v2 has more tweaks at idle so it can handle it. BlwnAway documents this in his thread.

Again I can only speak to the set of parts I have as most of it was designed together to do what it does. Start moving stuff around this part or that part I cant say. To many variables which is why I just stuck to what was designed and known to produce the result I wanted.

The stock head is complete *****. But all the bull ***** here about heads is just that. I trust Alex the engine designer not Jan or Mike/Thumper. I go by what he says. After all he designed the damn thing presented a Master/Phd level paper on the engine at trade shows which can be downloaded. Any one else is just bench barfinf random crap. He tells me X product is actually scientifically better I take it to the bank. Same thing with the Simmens ecu engineers I am friends with.

But I digress only saying the head flow on the engine is the biggest limiting factor and thats why the fiat tritec made now is so different. Lots of people getting those heads chopping off the cam phaser and using them. Luckily you dont have a bone stock head so thats good. Lots of stuff is always reading between the lines and knowing who to actually listen to and not some rando forum guy that had to beg his wife for a cam or pulley let alone GASP 3k on a BVH.


Here is a good cam chart fwiw. The cam you have now is already close to values of 469 pending on where each company measured the values as their is no standard.

 

Last edited by The Devil Z; Nov 10, 2023 at 11:21 AM.
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Old Nov 14, 2023 | 04:11 PM
  #707  
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From: OakCreek
I can't imagine this is the correct belt , it's 10mm longer than the one I was given that I know worked and the only difference between other other car and mine is I have a 2% crank..
am I correct in thinking I was sent an incorrect length belt ???
I did get the tensioner back together though...
anybody know if this IS the rite belt for the tvs with 55mm pulley and a 2% crank ???
I started cleaning gaskets surfaces too on the tvs but again , was pulled away from my own car to help someone out... which is the last time too.
​​​​im.ive told this kid numerous times and he doesnt listen , then gets upset he has to pay to have jobs done 2x but i told him stop letting dope fiends work on your car and then what parts to use or not use and of course. Never listens, now he's blowing me off when I'd taken parts off my car and my personal fres time to help him and he's again , taking my kindness fir weakness... gowd people have just become so useless now a days.






 
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Old Nov 14, 2023 | 05:12 PM
  #708  
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1364 I use the green gates HD units as the others only last about 10k if that. But everyone will chime in how their 5 dollar dollar general belt is made for Nasa to the moon strength lol.
 
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Old Nov 14, 2023 | 05:22 PM
  #709  
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Here is a quick tool in excel for belts.
 
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belts.xls (31.0 KB, 17 views)
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Old Nov 14, 2023 | 05:23 PM
  #710  
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From: OakCreek
Originally Posted by The Devil Z
1364 I use the green gates HD units as the others only last about 10k if that. But everyone will chime in how their 5 dollar dollar general belt is made for Nasa to the moon strength lol.
I knew this belt was too long.... dang it.
guess it will have to go back , let's see how this return process will go because im not paying for shipping 2x because someone didn't look at what they'd sent..
I clearly said I had a rmw tensioner, tvs with 55mm pulley and 2% crank..ah well , crap happens but now I won't get this car together befor the cold weather sets in. This is literally our LAST week of 50s n 60s and then on comes the cold season. So I was really really hoping to get to test it but I don't know now..
my tires don't like temps under 50' , they just get too hard then and i absolutely wont drive with any salt on the roads with this car...
o yea dang it , I found I had a torn axle boot too , the inside of my rim was pure black grime and all over my coilover.. uuuuuggggghhhhhhhhh.
But I'm DONI'doing other people's car ( except for family) now until I have my own finished..
 
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Old Nov 14, 2023 | 05:24 PM
  #711  
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Download the file above and free copy of excel and profit
 
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Old Nov 14, 2023 | 05:28 PM
  #712  
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Originally Posted by MiniManAdam
I knew this belt was too long.... dang it.
guess it will have to go back , let's see how this return process will go because im not paying for shipping 2x because someone didn't look at what they'd sent..
I clearly said I had a rmw tensioner, tvs with 55mm pulley and 2% crank..ah well , crap happens but now I won't get this car together befor the cold weather sets in. This is literally our LAST week of 50s n 60s and then on comes the cold season. So I was really really hoping to get to test it but I don't know now..
my tires don't like temps under 50' , they just get too hard then and i absolutely wont drive with any salt on the roads with this car...
o yea dang it , I found I had a torn axle boot too , the inside of my rim was pure black grime and all over my coilover.. uuuuuggggghhhhhhhhh.
But I'm DONI'doing other people's car ( except for family) now until I have my own finished..
Napa should have it. Get it on tomorrow and go for a spin.

6pk1364 Oreily Vato Zone Advanced Car Quest Napa all should have it. If I can get it same day in a town of less than 2k people at my Napa you should be Golden Pony Boy.


I took mine out today for last ride before storage mode myself so I get it. Wont come back out until 2-3 hard rain falls in spring to wash salt and brine off roads.

 
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Old Nov 14, 2023 | 05:45 PM
  #713  
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Oh and its going to be same for 53 55 and 60 as there is only a variance of 3mm or less and no in-between 6pk and all are snug and nice and tight. I have every single pulley offered from RMW and Griptech/Harrop on my shelf if you need more info. I am not Bs'ing you at all.
 
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Old Nov 14, 2023 | 05:53 PM
  #714  
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Here is 450usd worth of pulleys in this pic.
 
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Old Nov 14, 2023 | 05:57 PM
  #715  
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Ooops looks like they came down in price so now 115 a pop. The Grip tech variants which are one offs where 150 though.
 
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Old Nov 15, 2023 | 04:47 PM
  #716  
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From: OakCreek
Took my little brother for a ride today and lolol again was told it's the fastest 0-????? Car theve ever been in. And his buddies c63 amg IS NO PUNK but I guess just doesn't have the feel of the mini. I'm sure he's been in faster but my car FEELS faster because it's SO low and the seating position too. Haha but it feels nice to impress someone who's hard to impress..
so then I did his brakes on his sportage for him then started on my car FINALLY.
here's pics sofar. I will post pics and their oen little thread all 3x superchargers and let you guys see the differences side by side comparison.
I still am waitimg on the little spacer for the alternator bolt yet but i will get it as far together as i can in meantime. It should be here any day.
I also attached pic of the intercooler horn i ported out and the inside of my sneedspeed intake Manifold so you can see how well this baby should flow. I will attach pic of the ported elbow tomorrow, u just repainted that too because I'm **** about everything.
O yeaaaa and once tvs is done , im stepping up to 6upcc injectors and FINALLY going e85 too.







 

Last edited by MiniManAdam; Nov 15, 2023 at 06:26 PM.
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Old Nov 15, 2023 | 06:36 PM
  #717  
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I ran these and loved them and come matched with data sheet. Eventually went to 1200cc but these are amazing quality and lifetime


https://fuelinjectorclinic.com/IS850-1000H
 
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Old Nov 16, 2023 | 05:37 AM
  #718  
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What do you think about build quality of the unit. It's heft and packaging? Is the o-ring present on the inlet tube? Before I forget it doesnt whine at all like the stocker or sprintex. It does some if you take air filter off but just be aware it is quiet.
 

Last edited by The Devil Z; Nov 16, 2023 at 05:52 AM.
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Old Nov 16, 2023 | 05:54 AM
  #719  
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From: OakCreek
Originally Posted by The Devil Z
What do you think about build quality of the unit. It's heft and packaging? Is the o-ring present on the inlet tube?
yes thxfully all o rings are there and good..
1st impression based on just looks , imo , they look about equal on design quality and construction on inlets and flow.. buuuuut I feel the sprintex inner tube surfaces were smoother though I will 2x check.
I DO like that sprintex uses a better , much larger tophat but the boosttube on the tvs looks much better design than the sprintex BUT the sprintex can be used on automatic cars and the tvs cannot , so the smaller boost tube on the sprintex has its use..
I also feel like how the sprintex gets the air into the casing is better design and the adapter plate onto of the tvs has some BAD dead spots for air and spots for oil to buildup... so 1st impressions, I feel the sprintex is a better , more indepth designed supercharger.. I also feel the rotor design is better on the sprintex as it uses a twin screw not a roots.
i dont like how the sprintex uses oil when using a large reduction pulley because that just adds 1x more thing to monitor and attend to so i will like that the tvs has better internal seals.
the waterpump setup imo is better on the tvs. I didn't like how the sprintex tried to out the waterpump into the stock spot , it made it a very finicky install and it wasn't juuuuuuuust rite , it would put pressure on the inlet Oring snd dribble abit of coolant once the car would fully cool down. And I like that the tvs uses the better aluminum waterpump too not the plastic housing version.. stock waterpump is gear driven so it's not even comparable.
lol I hope I'm not gonna loose a handful of power...
I think the only way to know forsure is get it on and test it.
buuuuuut the saving grace on this tvs may come from its casing and rotor pack size , im pretty sure it IS decently bigger than the tvs AND the stock mp45 but I will compare and post pics of them all later on tonight..
 

Last edited by MiniManAdam; Nov 16, 2023 at 06:04 AM.
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Old Nov 16, 2023 | 05:57 AM
  #720  
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Worth a read. Join up or some of threads dont show to guests. Lots of bull swinging and c*ck gobbling but also tons of good info. I am using a inlet similar

to this. Was a god send for throttle bodies and upper top end. You will start to notice it bottle necking once you get into the 300 whp on e85 range and the 3" tb and inlet make a huge difference.


RMW Forums - TVS900 Supercharger (revolutionmini.com)
 

Last edited by The Devil Z; Nov 16, 2023 at 06:05 AM.
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Old Nov 16, 2023 | 09:45 AM
  #721  
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From: Schaumburg, IL
Originally Posted by MiniManAdam
Took my little brother for a ride today and lolol again was told it's the fastest 0-????? Car theve ever been in. And his buddies c63 amg IS NO PUNK but I guess just doesn't have the feel of the mini. I'm sure he's been in faster but my car FEELS faster because it's SO low and the seating position too. Haha but it feels nice to impress someone who's hard to impress..
so then I did his brakes on his sportage for him then started on my car FINALLY.
here's pics sofar. I will post pics and their oen little thread all 3x superchargers and let you guys see the differences side by side comparison.
I still am waitimg on the little spacer for the alternator bolt yet but i will get it as far together as i can in meantime. It should be here any day.
I also attached pic of the intercooler horn i ported out and the inside of my sneedspeed intake Manifold so you can see how well this baby should flow. I will attach pic of the ported elbow tomorrow, u just repainted that too because I'm **** about everything.
O yeaaaa and once tvs is done , im stepping up to 6upcc injectors and FINALLY going e85 too.






Yeah, something special about 300hp R53's. They just feel much different then anything else. Compared to a 911 991.1 C2S, even though it is faster and has launch control and everything, the mini kept up really well, Sad that I blew mine up but at least its just the rings that went in 2 of the cylinders from excess fuel. I think its the supercharger sound and exhaust that makes them feel fast. Its a much more raw experience, almost zero comfort compared to fast german cars. Something special about this platform, even though the 911 is cool and quick, mini' got something special. i really think that if I add e85 and fix the bottom end, should easily keep up with the 911 and e92 m3's. Devil, I was just wondering, do you know where I can get a Cometic headgasket for 77.5mm bore and mahle pistons from RMW. Its backordered on the RMW site and everywhere else.
 
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Old Nov 16, 2023 | 10:07 AM
  #722  
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Jan has the rights to sell that design as he and Alex had an agreement etc. As far as cometic I will try to find my spare and get the part number from it but that too might be a Rmw only number as it’s not the same as the off the shelf cometic and they come in three thickness options.


911s are something else but I consider the line dead after they went water cooled. That being said I loved my 951 with its massive KKK turbo and delicious 80s lag. That thing was a hoot and even the 2.5 944 was fun but the 944/924 with the orginal VW power any is ****. But man I loved my 951
 
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Old Nov 16, 2023 | 10:18 AM
  #723  
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He doesn’t update his store much either so he might have them in stock. I’m sure he has to order them in batches as well and demand might not be there anymore. When I did my custom pistons mahle wanted me to order a total of 2 sets so 8 pistons and it was really reasonable pricing for one off design.






Here is some pics of the ones you want. You could run the part number past the mahle into department and see when the last time they shipped to Jan. These truly are the best piston for this car.

The ringland thickness, location the anodized goodness and top it all off gas porting make these these the bees knees. Leave the wiseco in the dirt bike lol. That being said these are the only pistons with thought and engineering the others are just branded versions of the stock piston. So not like these where somone sat down with re engineering for the better in mine. The custom dish cc and reliefs they are just amazing in hand.


 
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Old Nov 16, 2023 | 10:28 AM
  #724  
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Also as far as that e85 kit it’s grossly over priced from rmw for what it is and I can assemble one with identified parts or better for under a grand.
 
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Old Nov 16, 2023 | 10:52 AM
  #725  
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From: Schaumburg, IL
Originally Posted by The Devil Z
Also as far as that e85 kit it’s grossly over priced from rmw for what it is and I can assemble one with identified parts or better for under a grand.
I did talk to Jan, he does have them but I also apparently I misdiagnosed my car. It could be very possible my car is fine according to the circumstances, let me PM about the e85 kit because that additional $650 could be used for a tune and making my car able to pass obd 2 emission.
 
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