Surging
Hi, I have this annoying problem since about a half year... When I am accelerating under 2000rpm the the feeling is like surging... Not really sure how to describe, here a short movie Mods FBO Cobb...
View ArticleBOV recirculation
I previously had an ER CP with hyperboost diverters recirculated back into the stock location. The set up worked great but on of the diverters was right in the way of where I want to run my mr5 setup....
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Potential TMAP sensor issue - Cobb Log
Hi, I've got an 09 135i 6AT with approx 70,000km's on it, running Cobb Stg1 Aggressive with no mods bar intake filter and B3 flash. I've recently become aware of an issue with a shudder felt while hard...
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N54 Single Turbo
Ever since I bought my 335i I have felt the need to make it go faster. First it was a simple tune a jb3 which I ended up upgrading to the jb4, then the jb4 iso, and then jb4 g5 iso. At the same time I...
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N54 vac lines question
I'm getting some decent progress on transferring all the parts on to my new engine and just realised I forgot to make a note of how the vac lines and boost solenoids were connected up. Looking at...
View Articlehelp!!! oil everywhere. turbo seals?
hey guys I developed an oil leak from somewhere it's not coming from the oil filter housing it's all over the front of the motor on the belt and the front turbo pipe the main source seems to be in the...
View ArticleAlpina flash cable?
i found many inpa usb cables in ebay, can i use one of these for the alpina flash http://www.ebay.com/bhp/bmw-inpa-k-can the one in one step electronics is expensive for cable, what do u think ?
View ArticleDriveshaft upgrade? Any specs on our OEM 335i driveshaft?
Hey guys, I have some concerns over the OEM driveshaft. 1) Is it a 1-piece or 2-Piece? Surprisingly difficult to find any info on it via google search, and I never paid attention to it last couple...
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what do we have here?
My batch 2 turbos (with billet wheel) showed up yesterday. Dropped my car off this morning to have them installed :D
View Articledownlloading bimmerboost flash software
hey guys my single turbo build will be finished today. im trying to get everything sorted in terms of flashing the ecu with the bimmerboost software and jb4 pump flash. problem is when i try to...
View Articlecp-e Atmosphere Turbo kit update
Due to a recent design iteration with the oil and coolant lines, fittings, and heat shielding to ensure long term maintenance-free performance, the initial release date for the prototype BMW Atmosphere...
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Breaking in Spec Clutch
Anybody tried this process? Sounds like it would be an easier way to breaking in that trying to baby the car for 500+ miles. This is a different platform but I've never heard of a Spec 3+ being...
View ArticleBavarian Technic Cable Diagnostic Software, and Drivers, maps
Hello there guys. Where do I download the required software for the Bavarian Technic Cable Diagnostic cable? I bought the cable used, and they said, there are 2 vins left. I bought it on ebay, and it...
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CP-E Intercooler and DPs are in! (335xi)
My first major "project," I scooped up the FMIC and DPs I've been eyeballing during the black Friday sale a couple weeks back. So I decided to do this myself and after reading all the DIYs and watching...
View ArticleBay Area BT Cable?
Hey all, In the glorious Bay (Berkeley) until Jan 2nd, I have a 335i here that needs to be coded and I forgot my BT cable at home :(. Anyone willing to meet up for a laptop session :? BEERS WILL BE...
View ArticleVAC Motorsports | N54 on engine dyno
Stock, for now. ;-) KMS is one of our largest dealers in Europe and we are their official importer for North America and the Middle East. This N54 is going to end up in something very interesting... A...
View ArticleHas anyone tried raising the idle rev speed to combat SMFW chatter?
Have any of you used INPA to do this? and if so, did it actually help at all?
View ArticleConsistent Single Cylinder Timing Retard
Cliff notes: for the past few weeks, I noticed that my cylinder #5 is pulls timing pretty regularly, often pulling 6-9 degrees of advance. Things I've tried: e50, e70, e85Run only 8 deg...
View ArticlePTF catched on tape! single turbo HP!
Hey all, Someone catch Dzenno and the boys tuning there turbo! It is on facebook, so I only have the link. https://www.facebook.com/photo.php?v=10153626423760113
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? for those who run N20 TMAP and HFS4
A few questions for those of you who are running the HFS4 and the N20 TMAP. Are you modifying the HFS4 controller as detailed in step #2 in the below image? What is your preferred settings for PI/R,...
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