jb4

Looking to buy a JB4 for my car. Located in East Coast Canada

For sale is an up to date E series JB4 With the BMS PI controller and harnesses, also includes the JB4 Bluetooth module. $550 shipped via USPS. If interested, I have an AD-e Port injection plate with fuel fittings I will add for $120. Does not include injectors.

E Series N55 JB4 Type A Harness w/ USB I pulled this off of my 2011 135i. $250. Location: 10954

Used, in good condition. Comes with cable. No bent pins. $300 shipped CONUS.

Hello everyone, I've docrace 6266 on my F30 n55 ( 2013 PWG ) since 2018, and the driveability is not smooth although no Codes or anything. my BEF supposed to be MAFless tune but AFR jumps randomly at low throttle, not sure if there is something wrong during the installation or something else...

I have recently installed precision raceworks coils onto my N54 and have been getting misfires Im FBO excluding a cat back exhaust i also have 94 octane in the tank

Selling N55 JB4 Harness A. $200 shipped.

This user has been asked to not distribute any software on this forum until further notice. Many claims have been made and it will take time to fully investigate. FREE CUSTOM MAPS Includes: IJE0S Stock Turbo, Hybrid Turbo, ST, and ST with BB(Boost Setpoint x RPM) I8A0S: Stock Turbo, Hybrid...

JB4 Port Injection Control Module Good working order $225

"Went single turbo" sale - upgraded twins and OEM parts available MMP Stage 3 Turbos - rebuilt and under warranty until 02/2019 (SOLD) MMP stock location inlets and outlets (SOLD) VRSF relocation inlets BNIB not even the bags have been opened (200) VRSF downpipes (SOLD) RB high flow oil drains...

Hi everyone, strange issues with the 335i! Car is a 2006 RHD N54 335i with DP, intercooler, BOV, Charge pipe, Inlets, Outlets and RB Ones, JB4 (G4) Curently Map 2 (14.5 psi). I have been having some issues with making boost. Most of the time the car will spool up no issue hit the 14.5psi...

Good morning SpoolStreet members. Granted beating a dead horse isn't the best way to approach this, but i've been very busy these past few weeks since the EMP tune fiasco, and would like to share my story and how it was righted, but no thanks to EMP I have been running an emp bef on my ST n54...

As the title suggests, I'm looking to add a wifi hotspot to my car and was considering the SyncUP Drive from T-Mobile. It's an OBD hotspot which means it wont bother taking up yet ANOTHER USB plug in my car and has other features that I lost with BMW Assist like vehicle tracking and monitoring...

This is a slightly used meticulously maintained new Burger Motorsport JB4 that's made specially for 2012-2014 BMW 135,235,335,435 and even more BMWs with the awesome N55 engine with the pneumatic waste gate...Included is the Rev 3 Bluetooth connection interface which works with the IOS or...

JB4 G5 ISO with Bluetooth. The board has less than 6 months and Bluetooth 3. It has latest update already. Not selling separately the Bluetooth.

PRO BMW CABLES from BimmerGeeks.Net! BimmerGeeks solely guarantees your cable works the first time, and every time. Whether your looking to use the basics of Inpa, Ncs, Ista or other popular softwares or whether your looking to flash those modules that they say you cant flash with a Kdcan...

This car was 98.5% tuned on the street. The dyno yesterday was just for numbers and this is exactly how Pete drives this car daily. It was no dyno glory run just for numbers. This is his daily, haha. I made like 3 quick value changes on the JB4 (well actually Pete the owner did, since i'm in NY...

Since I've downloaded the latest firmeware my meth flow has been acting up. At first it was slow to reach 100% which it always hits, now today it was hitting at best 50%, i did three short pulls not even revving it out, around 4000-5000 rpm. Then the car seemed to shudder at light loads in 5th...

First post, and a noob here, so I apologize in advance if this has already been discussed I searched and couldn't find any threads that covered this problem with a solution. So the issue is ever since ive installed the 2step relay with jb4 (with current firmware) the car will randomly 2step past...

Had the pleasure of meeting up with a new client today and his beautiful 07 335i coupe. The attention to detail on this car was nothing short of great. We have been talking over the last couple weeks while his car was having some upgrades done over at ZNM Performance out of NJ. Anyway, some...