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  • Cpt_Rum-bo's Avatar
    Yesterday, 10:27 AM
    Cpt_Rum-bo started a thread Linear Throttle Issue in N54
    Background info: my car is 2010 6sp FBO 135i and I've been tuning it myself for the last year or so running on E30. My issue is this and I've tested it in gears 2-6 and they all do the same thing. As I steadily add throttle, boost proportionally increases as expected to ~3psi. As I keep adding more throttle it always suddenly jumps to around 11psi, after which it proportionally increases to max as a keep adding throttle. I've tried so many things to change this but nothing seems to work. This makes coming out of a turn at the track very tricky as I have to try and predict the surge. Attached are the tables I adjusted that I felt should help. Hopefully others with more experience can show me where the issue is.
    16 replies | 155 view(s)
  • Sticky's Avatar
    Today, 12:05 AM
    This video is not being posted due to the cinematography. With no camera views from inside the cars we usually dismiss this stuff as junk. It is not hard to get a couple Go Pros these days and show clear HD video. However, the commentary of the butthurt AMG owner is glorious to behold. Which of these cars is faster stock for stock? The W205 C63 AMG S is both quicker and faster. However, as it is rear wheel drive it takes a bit more skill to launch. Need proof? A stock W205 C63 went 12.5 @ 119 in the 1/4 mile. A stock W205 C63 AMG S went 11.6 @ 120 on a better 60 foot. Almost a full second difference due to launch quality. A stock X5M will run low 12's at close to 115. You can look at a Dinan tuned example in the 1/4 mile (because it performs almost like stock anyway) here. If you ran the cars from a roll, the X5M would lose every single time. They are not running from a roll though and that means the traction advantage is with the all wheel drive 5000+ pound behemoth. The X5M in the first dig race gets the hit and wins easily. The second run has an even start and the X5M just edges ahead. That is the end of the racing and then the excuses begin to pour out from the AMG owner. First, he talks about how he put $50k down. Yet, he didn't spend any of that on drag tires or driving lessons which is where the money clearly needs to go. The AMG owner then asks for a 60-180 run. Seriously? You don't even know you have a 155 mph limiter on there? Plus 130 miles an hour is plenty to show who has the stronger top end. The AMG owner says in Germany a 1/4 mile doesn't mean anything. Well, even the Germans probably know you should know how to launch if you're going to run on the street from a dig against an all wheel drive car. Plus the 1/4 mile specs should tell him his best race is a roll. He's using the German argument here (poorly) to say the car is designed for the Autobahn. The X5M is from a German company as well though so he's reaching for anything. The guys on the side of the X5M did not give him a roll race and said they wanted to run again but in a 1/4 mile. So, they ran their race and won. The C63 guy says he has an E63 on order after that. Good, because it looks like he needs the all wheel drive of the E63 to mask his driving and his bullshit. Lulz
    5 replies | 60 view(s)
  • Evan Patak's Avatar
    Yesterday, 01:00 PM
    Fellow N54 enthusiasts, I do too many projects to divide them up into separate threads, for the sake of simplicity I decided to start a build log for my E61. A little background on my style: Aesthetics are important to me but not at the expense of function so I do my best to achieve both, if there is a conflict, function wins. "Clean" is always the goal. I love details; details, details, details. Now that I have a garage I do all of my own work, I really enjoy the challenge of solving problems and figuring things out so a late model BMW keeps me busy on this front. When the wagon is broken, I fix it, when it is running 100%, I look for something to modify or break, I am sure many of you can relate. I love to retrofit things and "make them work." I also love having a 550awhp wagon that can run with pretty much anything on the street, while carrying mountain bikes, a dog, and groceries. Function! Day 1 of the build (September 2013) up to (February 2016) can be seen in the first 30 pages of this thread: This thread will continue where that one leaves off. For those inclined, my Instagram handle is "hoburger" Evan Here is a couple introductory pictures of my wagon in current trim:
    4 replies | 126 view(s)
  • Sticky's Avatar
    Today, 12:49 AM
    Ok, sorry this took forever. Anyway, you guys should see 'Files' in the toolbar above. It is in between the 'Forum' and 'What's New?' tabs. The changes made are first of all, the system works unlike the other one which was garbage and caused headaches. Secondly, comments in the forum and on the file page are synced. If you comment in the forum thread on the file it will show on the file page and vice versa. This makes it easy to find answers regarding questions on files or ask questions about the file. You get 10 rep points per approved upload. So, it's a good way to build rep. Let's get a nice database of files going!
    4 replies | 80 view(s)
  • rac's Avatar
    Today, 01:50 AM
    rac started a thread 2007 Engine Introduction in N54
    2007 Engine Introduction Training Module 2007 Engine Introduction
    4 replies | 54 view(s)
  • Sticky's Avatar
    Yesterday, 11:22 PM
    Here you have two black BMW i8's. One is a matte black wrapped car that is also bagged which wears Vossen rims. The other black i8 has the factory black paint and HRE wheels. It is also lowered but not with bags. It retains the factory suspension design. Here are the Vossen specs: 22 inches is the same size as the HRE wheels. With the more exaggerated drop the wheels looks bigger on the matte black i8 but somehow also tacky. An i8 on bags? Isn't this supposed to be a sports car? If one is going for attention this setup might fit the bill: Here are the HRE specs: The HRE setup just looks classier here and also will offer better handling performance. The car is not comically low but definitely still has an aggressive stance. Make your choice:
    2 replies | 15 view(s)
  • JMarchione97's Avatar
    Yesterday, 05:05 PM
    I bought a STETT cold air intake for my N54 powered 335i. Between the time when I ordered it and when i got it, I bought another project car and decided to leave my 335i alone. I opened the box to inspect the contents but I never installed the intake. It will fit on any N54 powered car, which can be found in the 335i, 135i, and maybe the early 535i. I paid $417.00 for it and I'll sell it for $350.00. Will ship at the buyers expense, but would rather local pickup if possible. Sorry if this is in the wrong spot, I'm new to this forum.
    1 replies | 46 view(s)
  •'s Avatar
    Yesterday, 07:31 PM
    2016+ BMW 340i/ix B58 Billet Intake ORDER LINK Applications: BMW 3 Series 2016+ F30 B58 340i/340ix Ready to take your BMW N58 turbo to the next level? This billet plug and play air intake system unlocks up to 15whp to the wheels from your B58 engine. In addition to the extra power throttle response, turbo spool, and sound are dramatically improved, finally allowing you to hear your turbo spool up under heavy acceleration. The system is CNC machined from billet aluminum, anodized black for a clean look and includes a reusable S&B high flow filter. The OEM cold air intake tube and insulating base remain fully functional. Install takes only minutes and is fully reversible.
    1 replies | 28 view(s)
  • AdminTeam's Avatar
    Yesterday, 08:23 PM
    Welcome to a real enthusiast forum 335ioneday.
    1 replies | 20 view(s)
  • EJ_Reynolds's Avatar
    Yesterday, 05:47 PM
    Reached out to fastgti69 about a turbo install and everything was going as planned. Due to my car failing smog and unable to get it registered, I let him know that I wasn't going to be able to make it for the install and asked to buy his coolant tank relocation kit so I can get it installed locally on 5 February and for him to send me an invoice. On the 7th, I was told I'll get an invoice but the day came and went without a word. On the 8th, I reached out again letting him know I had an appointment on the 10th to get the kit install and want to proceed with the order. I received an apology on the 9th and he requested my address and sent over the invoice. Keep in mind I've been waiting for an invoice/trying to order for 4 days. I received the invoice and paid within an hour on the 9th so it could get sent out the same day. I live and Vegas and normally get packages from SoCal next day. Last messaged I received was the kit would be sent out shortly early yesterday afternoon. I've reached out a twice yesterday evening and night and haven't heard a word. Never got a tracking number also. I shot him a final message this morning before dropping off the car and still getting ignored :angry-banghead: I have no idea if the kit even shipped. Searched everywhere on the web and cannot find a good working number. Hopefully the kit shows up today, but seriously, I really expected better customer service rather if I was spending $80 or $1k+.
    0 replies | 32 view(s)
  • AdminTeam's Avatar
    Yesterday, 04:43 PM
    Welcome to a real enthusiast forum ElaineSlap.
    0 replies | 23 view(s)
  • AdminTeam's Avatar
    Yesterday, 04:57 PM
    Hey Dusselloa: :text-welcomewave:
    0 replies | 19 view(s)
  • AdminTeam's Avatar
    Yesterday, 04:48 PM
    Welcome YvetteBegg, take a look around, I think you will like what you see.
    0 replies | 19 view(s)
  • AdminTeam's Avatar
    Today, 04:18 AM
    Welcome to a real enthusiast forum Cdacuernavaca.
    0 replies | 18 view(s)
  • AdminTeam's Avatar
    Today, 12:05 AM
    Welcome to a real enthusiast forum Mack.
    0 replies | 18 view(s)
  • cebrailbakan's Avatar
    Yesterday, 11:15 AM
    I am just about to order cp forged Pistons. Before ordering , I had better to consult the community. Which one is more sensible regarding my goal. 10.2:1(stock) or 9.5:1. My goal is to hit 630 awhp with the following specs; BMW 2007 E90 AT 335xi Jb4/MHD custom backend flash Full bolt-ons Pure stage 2 turbos TFT inlets Forged internals 103 octane Race gas Direct port methanol injection All the best,
    0 replies | 18 view(s)
  • AdminTeam's Avatar
    Yesterday, 11:14 AM
    Welcome lanshark, take a look around, I think you will like what you see.
    0 replies | 18 view(s)
  • AdminTeam's Avatar
    Yesterday, 11:14 AM
    Turbo_Jorge, we appreciate you taking the time to join.
    0 replies | 15 view(s)
  • AdminTeam's Avatar
    Yesterday, 01:37 PM
    Hey syed: :text-welcomewave:
    0 replies | 14 view(s)
  • AdminTeam's Avatar
    Today, 12:48 AM
    Welcome goha1966, take a look around, I think you will like what you see.
    0 replies | 13 view(s)
  • DavidV's Avatar
    Yesterday, 11:31 AM
    DavidV started a thread G11: All new Alpina B7 in 7 Series
    his, ladies and gentlemen, is what a 600bhp, 193mph, modified BMW 7-Series looks like. It is the brand new Alpina B7. Unveiled by BMW USA, this is the third generation of Alpina’s 7-Series, and comes with a lot of very intriguing, very impressive numbers. Alpina don’t forget, has a long, fine, 50-year history of taking BMW models and adding numbers. The first of which involves power. Underneath the B7 lies BMW’s 4.4-litre twin-turbocharged V8. Here, Alpina has installed two specially developed turbos positioned within the ‘V’ of the engine, featuring bigger inlets and outlets. The entire cooling system and airflow has been rejigged too, to “remove bottlenecks” (we never realised the standard 4.4-litre V8 had a ‘bottleneck’). There are larger volume coolers, bigger, wider hoses and an air-to-water intercooler, along with external water and transmission coolers. The engine itself has had a going over too: there are new pistons, spark plugs and a stainless steel Alpina sports exhaust. This reduces back pressure and weight, and comes with the necessary valves for additional noise. The result? 600bhp, and a whopping 590lb ft of torque available from 3,000rpm (494lb ft is ready at just 2,000rpm). This revised engine is hooked up to an eight-speed automatic gearbox which has been beefed up to deal with the additional torque, driving all four wheels (though in the UK, we’ll probably get a RWD version). It’ll do the headline 0-60mph sprint in just 3.6secs – nearly a second quicker than its B7 predecessor – and rock on to a top speed of 193mph. That’s only a preliminary figure, too. It’ll probably go faster still… There’s air suspension combined with active dampers and roll stabilisation, and adjustable ride height. Like, for example, when you reach speeds of above 140mph and it drops by 0.8in. Neat. Want more? There’s active steering, Michelin Pilot Super Sport tyres, huge forged alloys, and rear-wheel steering. Oh, and bigger brakes. You’ll spot the trademark Alpina flourishes: stuff like the new aero-honed front and rear ends, those classic Alpina wheels, lots of leather and ceramic inserts inside, blue and green paint finishes and a nice head-up display. The new B7 will be available in the States from September this year, and prices – along with UK-specific info – will be revealed in due course. Always fancied a sub M-Power Seven? Step right up… Source Top Gear UK Pics:
    0 replies | 10 view(s)
  • AdminTeam's Avatar
    Today, 06:31 AM
    Ebrahim, we appreciate you taking the time to join.
    0 replies | 9 view(s)
  • AdminTeam's Avatar
    Yesterday, 09:21 PM
    Welcome to a real enthusiast forum PWPersian.
    0 replies | 8 view(s)
  • AdminTeam's Avatar
    Today, 06:36 AM
    Welcome sam., take a look around, I think you will like what you see.
    0 replies | 6 view(s)
  • AdminTeam's Avatar
    Today, 08:17 AM
    Hey bmwfr_135: :text-welcomewave:
    0 replies | 1 view(s)
  • The Convert's Avatar
    Today, 09:10 AM
    Motiv has determined that around 700-750whp for your everyday tune, you'll start to oval the cylinders over time. So, with a very solid tune, I'd say 700 is the limit of a "safe" amount of power for stock internals for a decent period of time.
    113 replies | 4756 view(s)
  • Tony@VargasTurboTech's Avatar
    Today, 09:02 AM
    Exactly, seeing the docs, and putting them on a flow bench would just be nice to get them confirmed
    82 replies | 2380 view(s)
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