What kind of ECU chip do I have?

dreweezy · 12-13-2012, 10:51 PM

I bought a preowned 2007 335i e92 coupe recently. It's fantastic. But in the glove box, there's a USB cord that looks permanently attached running from the glove box, to inside the fuse box and maybe leading into the ECU/DME box.

Is there any way to find out which ECU chip I'm running, like a menu screen I could activate from inside the car?

I've already tried: plugging it in to my MacBook pro and nothing happened, there's no way I could contact the previous owner, and I would prefer not to go through the hassle to open the ECU/DME.

Please help!

gzim335 · 12-13-2012, 10:56 PM

Quote:

Originally Posted by dreweezy

I bought a preowned 2007 335i e92 coupe recently. It's fantastic. But in the glove box, there's a USB cord that looks permanently attached running from the glove box, to inside the fuse box and maybe leading into the ECU/DME box.

Is there any way to find out which ECU chip I'm running, like a menu screen I could activate from inside the car?

I've already tried: plugging it in to my MacBook pro and nothing happened, there's no way I could contact the previous owner, and I would prefer not to go through the hassle to open the ECU/DME.

Please help!

look deeper the previos owner probably forgot his phone charger in there

techwhiz · 12-13-2012, 11:00 PM

What's this got to do with ECU/DME???

Ænema · 12-13-2012, 11:04 PM

Quote:

Originally Posted by techwhiz

What's this got to do with ECU/DME???

People running piggies will usually route the USB cable through the glove box to hook it up to a laptop.

OP, just take the 10 minutes to open the DME compartment. Ohh, and it's not a "chip." I know don't know the last time i've seen an EPROM or EEPROM ecu.

benzy89 · 12-13-2012, 11:20 PM

Quote:

Originally Posted by dreweezy

Is there any way to find out which ECU chip I'm running, like a menu screen I could activate from inside the car?

You're most likely running one of the piggy-backs. You can try the steering wheel controls, but the only way to confirm which specific tune (JB4 with G4 or G5 Board OR Procede) is to open up the DME.

You're in CA, so if you try the regional thread I'm sure one of the more experienced piggy-back users wouldn't have a problem helping you open everything up to confirm.

idrift4wd · 12-13-2012, 11:55 PM

just follow the instructions to get into the ecu box. Then see if there is a tuner connected already.

dreweezy · 12-14-2012, 12:12 AM

Alright, I guess I'll have to go about this the hard way. Thanks for the help guys!

Pete Schweaty · 12-14-2012, 08:24 AM

Try pushing down on the down arrow and minus buttons on the steering wheel at the same time (while the car is running). If your gauges move, you have a JB4. If not, you need to open up the DME box to look.

JamesM3M5 · 12-14-2012, 09:28 AM

To check for JB4: Push the volume down and arrow down buttons on the steering wheel at the same time with the engine running or not to enter the command mode. The tachometer and speedometer needles will move to 1000RPM and 10MPH to indicate you're in command mode.

To check for Procede: Push the cruise control stalk up or down with the engine running to see what map the engine is running. Pull toward you with the engine off but ignition on to enter command mode.

If neither of these work, the JB or Procede may have been removed but the cable left in place. You will need to open the ECU box to find out.

And they're not "chips" anymore, it's more commonly referred as a "tune", whether it's a piggyback or a flash.

Jeff@TopGearSolutions · 12-14-2012, 10:02 AM

Getting to the actual ECU compartment should not be scary.

There are about 8 8MM bolts to remove the cowl and HVAC Filter. Then 2 tabs on the ECU cover to remove it.

Then you can visually see what is going on.

Quote:

Originally Posted by JamesM3M5

To check for JB4: Push the volume down and arrow down buttons on the steering wheel at the same time with the engine running or not to enter the command mode. The tachometer and speedometer needles will move to 1000RPM and 10MPH to indicate you're in command mode.

To check for Procede: Push the cruise control stalk up or down with the engine running to see what map the engine is running. Pull toward you with the engine off but ignition on to enter command mode.

If neither of these work, the JB or Procede may have been removed but the cable left in place. You will need to open the ECU box to find out.

And they're not "chips" anymore, it's more commonly referred as a "tune", whether it's a piggyback or a flash.

Good tips

Beemw335 · 12-14-2012, 10:30 AM

Easiest way to tell is what he said^^
For jb4: push volume and channel control down at same time to see if gauges move.
For procede push criise control up or down to see if gauges move.

For jb3: if you really dont want to access the ecu....go on youtube to learn how to switch maps with the gas pedal...you should "feel" the extra power.

Imo: open the ecu, its easy.

TurboSid · 12-14-2012, 10:36 AM

dont get your hopes up.

On my old 335i i took the tune out but didn't bother wasting time to take the guts of the ecu box out just to yank out the USB cable.

Beemw335 · 12-14-2012, 11:57 AM

Quote:

Originally Posted by TurboSid

dont get your hopes up.

On my old 335i i took the tune out but didn't bother wasting time to take the guts of the ecu box out just to yank out the USB cable.

Ohh i feel bad for the new owner.
Gets his hopes up for a free tune but all he gets is an usb cable lol

VNeBLOB42 · 12-14-2012, 12:21 PM

Quote:

Originally Posted by TurboSid

dont get your hopes up.

On my old 335i i took the tune out but didn't bother wasting time to take the guts of the ecu box out just to yank out the USB cable.

This is what I was thinking also.

now the OP has to assume the original owner didn't/did abuse the car with the tune, if it really had/has one.

dreweezy · 12-14-2012, 07:35 PM

Alright, by JamesM3M5's methods, I don't have JB4 or Procede.. I'm starting to think that the previous owner took out the tuner and left the cable like TurboSid said, damn. Looks like I'll have to open the DME up to find out for sure

sickem · 12-14-2012, 08:49 PM

Quote:

Originally Posted by dreweezy

Alright, by JamesM3M5's methods, I don't have JB4 or Procede.. I'm starting to think that the previous owner took out the tuner and left the cable like TurboSid said, damn. Looks like I'll have to open the DME up to find out for sure

Too bad, was hoping you'd get a free tune out of it! Well, now you need to buy one to see what you're missing.

12-13-2012, 10:51 PM	#1
dreweezy Private 5 Rep 87 Posts Drives: 335i e92 Join Date: Nov 2012 Location: Los Angeles iTrader: (3)	What kind of ECU chip do I have? I bought a preowned 2007 335i e92 coupe recently. It's fantastic. But in the glove box, there's a USB cord that looks permanently attached running from the glove box, to inside the fuse box and maybe leading into the ECU/DME box. Is there any way to find out which ECU chip I'm running, like a menu screen I could activate from inside the car? I've already tried: plugging it in to my MacBook pro and nothing happened, there's no way I could contact the previous owner, and I would prefer not to go through the hassle to open the ECU/DME. Please help!
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12-13-2012, 11:00 PM	#3
techwhiz Colonel 453 Rep 2,973 Posts Drives: e90 335i Sedan - Arctic Join Date: Feb 2012 Location: Bay Area, Ca iTrader: (4)	What's this got to do with ECU/DME???
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12-13-2012, 11:55 PM	#6
idrift4wd Brigadier General 149 Rep 3,552 Posts Drives: Three Hundred and Thirty Five Join Date: Jul 2010 Location: Yonkers NY iTrader: (0) Garage List 2007 BMW [7.00]	just follow the instructions to get into the ecu box. Then see if there is a tuner connected already.
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12-14-2012, 12:12 AM	#7
dreweezy Private 5 Rep 87 Posts Drives: 335i e92 Join Date: Nov 2012 Location: Los Angeles iTrader: (3)	Alright, I guess I'll have to go about this the hard way. Thanks for the help guys!
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12-14-2012, 08:24 AM	#8
Pete Schweaty Captain 39 Rep 639 Posts Drives: 2014 750li Join Date: Jun 2011 Location: MD iTrader: (0)	Try pushing down on the down arrow and minus buttons on the steering wheel at the same time (while the car is running). If your gauges move, you have a JB4. If not, you need to open up the DME box to look.
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12-14-2012, 09:28 AM	#9
JamesM3M5 Some dude 91 Rep 1,780 Posts Drives: E92 335i Join Date: Sep 2011 Location: Northern VA iTrader: (0)	To check for JB4: Push the volume down and arrow down buttons on the steering wheel at the same time with the engine running or not to enter the command mode. The tachometer and speedometer needles will move to 1000RPM and 10MPH to indicate you're in command mode. To check for Procede: Push the cruise control stalk up or down with the engine running to see what map the engine is running. Pull toward you with the engine off but ignition on to enter command mode. If neither of these work, the JB or Procede may have been removed but the cable left in place. You will need to open the ECU box to find out. And they're not "chips" anymore, it's more commonly referred as a "tune", whether it's a piggyback or a flash. __________________ RRT E92 335i/6MT with stuff and things
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12-14-2012, 10:30 AM	#11
Beemw335 Colonel 62 Rep 2,013 Posts Drives: 335i Join Date: Mar 2011 Location: My car is my home iTrader: (2)	Easiest way to tell is what he said^^ For jb4: push volume and channel control down at same time to see if gauges move. For procede push criise control up or down to see if gauges move. For jb3: if you really dont want to access the ecu....go on youtube to learn how to switch maps with the gas pedal...you should "feel" the extra power. Imo: open the ecu, its easy.
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12-14-2012, 10:36 AM	#12
TurboSid Brigadier General 1108 Rep 3,262 Posts Drives: 2022 M4Cx BSM/FR Join Date: Apr 2008 Location: Florida iTrader: (4) Garage List 2008 335i [0.00]	dont get your hopes up. On my old 335i i took the tune out but didn't bother wasting time to take the guts of the ecu box out just to yank out the USB cable. __________________ 2022 BSM/FR M4 Competition X-Drive 2017 MW/SO M4 ZCP [SOLD] • 2015 MW/SO M4 M-DCT FBO [SOLD] • 2011 AW/CR 335is DCT FBO [SOLD] • 2008 AW/CR 335i 6MT FBO [SOLD]
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12-14-2012, 07:35 PM	#15
dreweezy Private 5 Rep 87 Posts Drives: 335i e92 Join Date: Nov 2012 Location: Los Angeles iTrader: (3)	Alright, by JamesM3M5's methods, I don't have JB4 or Procede.. I'm starting to think that the previous owner took out the tuner and left the cable like TurboSid said, damn. Looks like I'll have to open the DME up to find out for sure
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