Early birds, early pictures. N54 rebuilt
Let me introduce myself. My name is Laszlo and I am located at Budapest/Hungary/Europe. I am a proud owner of different BMWs, such e93 M3, F10 M5, F20 125d, e92 335i. At this moment i would like to...
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Ultra-strange timing behavior with Cobb - any ideas ? Pics and logs inside
Hi, 6MT FBO RB + Meth here. Running Cobb. It begun occurring on a map in which I increased the timing by 1.5 degrees at higher RPMs (5500+) compared to a previous map that did not exhibit this issue...
View ArticleTurbo Warranty Work!!
For a while I've been fighting bad wastegate rattle and wastegates getting stuck open (no codes). So I finanlly brought it to my dealerships attention and my appointment is set for Friday. Currently...
View ArticleActive autowerke BOV vacuume noise?
I currently have an AA BOV on my n54 335i. I am hearing a vacuume noise from the back brass nipple. Opposite from the one connected to the vacuume line. Is this normal? I have never really payed...
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Anybody seen this? Downpipe V-band bolt backed out
Getting my VAC oil pan baffle installed and the shop let me know they saw this: Bolt in the v-band just totally gone. Anybody seen this before? I didn't notice any particular exhaust leak, interestingly.
View ArticleN54 Open Source Code Tuning Project Funding
Hey guys, we're progressing really well and surprisingly quickly on this. There's a few things that need to be picked up. Nothing huge is necessary but looks like more than one spare DME will be...
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My custom 335 project
Hello everyone! I want to introduce to you my project based on n54 e92 335. I has done a lot of work for my cars and will be posts dedicated process about my project. All works ( exclude interior ) i...
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JB4 single turbo boost control
Hey guys, I've made some good progress on the JB4 single turbo boost control. The very good news is it appears we'll be able to do this using the factory boost solenoid! No extra solenoid or wiring...
View Articlex71 n54 into e90
I need a new motor, found a great deal on an x71 motor however my car is not AWD. I was wondering if anyone here can help me figure out if just swapping the oil pans is enough also info on the wiring...
View ArticlePlease help me out! Looking at METH systems
Alright guys, I have completed FBO on my e92 335i and have placed my deposit on the Vargas Stage 2 batch 2's turbos. I am currently running the Cobb AP. I plan on doing my homework and most likely...
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Tuning timing for cold motor and light throttle
All, I know this might seem trivial compared to WOT tuning, but I've been trying to tune for no unexpected timing behavior at all, which is difficult because the ECU starts messing with timing anytime...
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RB turbos
Brand new in the wrapper, RB turbos. $3250 and you get $300 back when you return your old ones to Rob. So you get them for under $3K in the end.
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Finally made a Dual Nozzle meth set-up I like!
Ordered some parts and came up with this dual nozzle set-up and I love it! Precise measure must be made since meth bung will be in inter-cooler pipe and there is not much room for error since...
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Cobb Pro-tune help
Hey guys, I posted this on the other forum too. I dropped my car off at Cobb Plano last week to have my RBs installed and get a Pro Tune, and picked it up on Saturday. I didn't get to drive it much on...
View Article07 with a bunch of problems please help
I just got this car on a trade and i love it but it has issues that are a little more deep than what i was told. I do have a lot of mechanical knowledge but its mostly with diesels. I have done a ton...
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Lets talk about METH
Started a similar thread on Terry's forum but because bimmerboost has one of the biggest and probably best communities I want to get as much ammunition as I can. I want to get some more info on running...
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First time to the track with RB's
I was recently able to get the car out for some 1/4 testing with the RB's and she ran really well! The track was being very "slick car" bias for some reason and I was only able to get two passes in...
View ArticleHow Many of You Have Changed O2 Sensors?
And what mileage? Did you change front and rears? Any defining attribute in logs? I think I may have a lazy O2 sensor... It's been rumored that the rears do influence trimming control, and this is...
View ArticleOpen Flash XDF's
Anyone have the off the shelf XDF's? Would like to play with porting some things over to my Cobb maps. @jpsimon Thanks
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