n54

Hello guys long story short. N54 lift head gasket once on 17T FBO 550whp. After that i go for build engine rods pistons , cutom exhaust manifold runing single turbo 8hp70 etc... lift head again at 600whp power range turns out that ARP heat studs pull a treath from cyl 6. New cylinder head now...

I've been searching for any help at all on my cold start issue across Google, YouTube, and various N54-related forums, but found nothing consistent with my particualr problem so far. I decided I needed to post my own question. So, just to blow through the usual support questions... I've just...

was wondering if anyone can help me out single turbo n54 GFB three controller mac solenoid used to buzz when I turn the ignition on I thought it went out so l bought a new one and it's doing the same thing not buzzing and car is only getting 11 pounds of boost but when I put a manual boost...

Hello everyone, I'm aware that the following topic may be considered ricey and unnecessary, but I'm already too deep in the rabbit hole and I need answers. I don't plan to use it daily since I'm aware of the effects it has on fuel consumption and the rest of the downsides, and I just want to...

Hello to anyone who can assist me with my Flex Fuel issue I have setup flex fuel using a specific MHD tune from an experienced tuner (JSR) and a fuel-IT ethanol analyzer which can read over bluetooth plus on a 0-5v signal wire My setup; The ECA analyzer wire plugged into Harness PIN#16 on the...

I already have a Fuel-it stage 2 fuel pump. I am planning to add port fuel injection so I am curious of any homebrew ideas for adding another pump to my fuel setup to accomidate the extra fuel that will be needed. I assume that I will be adding an extra pump like a Walbro 450 or something...

Hello all, first forum post so I hope I do this right. Got my car in April this year(2010 BMW 335i e92), and it currently has 70k miles. Mods: VRSF Dual Cone Intake Upgraded Chargepipe VRSF 7.5" Intercooler BMS Oil Cooler Valve Maintenance: Valve Cover Gasket 65k miles Oil change when I got...

First picture of my 335i e90!

Hey SpoolStreet! I'm fully new to this group and ready to discuss something that has been going on with my 07 335i e90. Recently, my 335i all suddenly started to not make much power and have been noticing at 2-2.5k RPM the whole car shutters and shakes struggling to hold power or something...

Monaco Blue Metallic

Has anybody here used the data acquisition & logging functions in TunerPro for these cars? Been messing around with it and ADX files lately. I understand basically how it works but haven't been able to get any meaningful data from the car in real-time at all. I've seen it done before in a newer...

hey guys so earlier this year i purchased an 2009 e82 n54 powered bmw with the intentions of building a more or less dedicated drag car. i will start by saying i still have plenty to learn about cars, im not a professional mechanic just another average car setting out to build a car that rowdy...

ECS sent me ajusa turbo gasket rings in the install kit that are too large to fit the downpipe v-band off (tested with old worn OEM gaskets). Is it possible to shave/sand one side of the gasket to be shorter or is the coating important to keep? Dealership wants to charge me $75 for a pair of...

Hello! After looking @fmorelli's PCV thread and reading through the replies I had the idea of re-designing the PCV system using inspiration from him and @Panzerfaust. I've ordered the ACfab PCV fittings AN10 for the high side and AN8 low. Please have a look at the schematic below of the setup...

For sale is a nice closed deck bare block with closed deck insert done by Motiv. Includes used, custom stock compression JE pistons, approx 30k miles, with minor skirt scuffing and some pitting on the tops of 3 pistons. The block is in good shape, just needs a clean up hone and decked. I can...

Hello, I literally just made my account, I have been wanting to tune my N54 for a while now by myself but really have no idea where to start. So if someone would like to take me under their wing and help a brother out that would be great. even text me (405) 779-9779 :) and I Mean like I tune it...

Hey there lads. Never thought I would have to post on forums for help but here I am. I have a 2008 335i (N54). So recently my car has been feeling horrible and having symptoms of HPFP failure :( : 1. Rough cold start 2. Feels like misfires when under mild acceleration. 3. If I accelerate for...

Hello everyone, i'm new on this forum, from Georgia🇬🇪. I want to share my knowledge to everyone who is interested. I'm starting project, which is very important for me, i'm spending a lot of time and also 💲💲 on it. English is my second language so please don't be strict. It had some...

I need some help diagnosing an idle issue. The idle fluctuates pretty bad and comes close to stalling out. There are no check engine lights and I did a smoke test and found no vacuum leaks. Any idea why the car will not throw any engine lights? Thanks in advance. data logo using testo...

All, I’m selling a brand new Precision Raceworks boost reference controller (Hobbs switch). Came in a kit I installed but I ended up going with a BPM4 controller so do not need it. Asking 40 bucks and shipping depending on how much it is. Located in 80211 I would be willing to do a local pick...