What version of JB4 do I have?

Kamelster92 · 06-23-2016, 11:39 AM

I recently purchased a 2008 335i and later discovered that it had a JB4 installed. Does anyone know how I can determine which version it is?

Thanks in advance.

Vincent_E90 · 06-23-2016, 12:04 PM

A picture of the board might be a good start, or if you bought the car from someone, ask the previous owner if they know or kept the receipt

msjt · 06-23-2016, 12:14 PM

Take a pic of the JB4 case, or go into the steering wheel controls and see what menu it goes up to.

Kamelster92 · 06-24-2016, 05:50 PM

What're we looking at here? All it is is "JB4" and there's a 9-pin connector. No label otherwise. Also, speedo goes up to 90, meaning 9 menus? I'm not sure if that helps to identify anything or not.

06-23-2016, 11:39 AM	#1
Kamelster92 Enlisted Member 14 Rep 31 Posts Drives: SG e92 335i Join Date: Feb 2010 Location: Boston iTrader: (0)	What version of JB4 do I have? I recently purchased a 2008 335i and later discovered that it had a JB4 installed. Does anyone know how I can determine which version it is? Thanks in advance.
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06-23-2016, 12:04 PM	#2
Vincent_E90 Second Lieutenant 81 Rep 241 Posts Drives: N54 E90 335i 6MT BSM Join Date: Sep 2014 Location: North Lake Tahoe, CA iTrader: (1)	A picture of the board might be a good start, or if you bought the car from someone, ask the previous owner if they know or kept the receipt __________________ Mine - 2008 E90 335i Black Sapphire Metallic 6MT \| New OEM Turbos @ 111k\| Cobb Stage 2 LT Sport \| Full Stainless Steel Akrapovic Exhaust \| 5'' Stepped FMIC \| VRSF Catless Downpipes\| 19in BBS CH-R Matte Black \| aFe Stage 2 Air Intake and air scoops\| Mishimoto OCC\| M-Tech Front Bumper
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06-23-2016, 12:14 PM	#3
msjt First Lieutenant 160 Rep 305 Posts Drives: e92 335i Join Date: Jan 2013 Location: queens, nyc iTrader: (0)	Take a pic of the JB4 case, or go into the steering wheel controls and see what menu it goes up to.
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06-24-2016, 05:50 PM	#4
Kamelster92 Enlisted Member 14 Rep 31 Posts Drives: SG e92 335i Join Date: Feb 2010 Location: Boston iTrader: (0)	What're we looking at here? All it is is "JB4" and there's a 9-pin connector. No label otherwise. Also, speedo goes up to 90, meaning 9 menus? I'm not sure if that helps to identify anything or not. Attached Images
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