Safe to go to the dealer with Procede bypass plug?

baltik · 12-27-2007, 02:16 PM

This would be for a software upgrade and standard service - Obviously V2 installed so vacuum lines look stock and no grounding wire visible. Any possible reason for dealer to open the ecu or detect via OBD?

e90AW335i · 12-27-2007, 02:29 PM

I would take it out just to be sure, but that is just me....

purplewidow · 12-27-2007, 02:42 PM

yeah didn't someone have a problem and they voided there warranty b/c they saw this? that must have been a shit dealer but still why take the chance...don't give them a reason to search for faults and see the ones you can't clear...just do a complete uninstall

NPDAN · 12-27-2007, 02:44 PM

I've taken my car to the dealership before with the bypass plugs in place... However, there was no reason for them to open the ecu...

WOPALX · 12-27-2007, 04:56 PM

If I was going to the $tealership for warranty work then I would remove the unit, mainly because my car has other mods so they may have reason to look for it.

However as luck would have it a local $tealership has just lost their BMW franchise but their master techs are staying put (it's rumored to be changing to Audi with the local Audi changing to BMW). So I will be going there for all my maintenance and as they are not BMW they won't care

.

kaji335i · 12-27-2007, 05:36 PM

Quote:

Originally Posted by NPDAN

I've taken my car to the dealership before with the bypass plugs in place... However, there was no reason for them to open the ecu...

Just because they dont have a reason to open the ecu compartment, doesnt mean they wont

turbocoins · 12-27-2007, 08:29 PM

Quote:

Originally Posted by WOPALX

However as luck would have it a local $tealership has just lost their BMW franchise but their master techs are staying put (it's rumored to be changing to Audi with the local Audi changing to BMW). So I will be going there for all my maintenance and as they are not BMW they won't care

.

The service won't be free, though.

gobo335i · 12-27-2007, 08:34 PM

A 4 year warranty is a valuable thing. Something to be extra careful with. I'd take mine out. Not worth loosing something I am paying for.

san~man · 12-27-2007, 08:41 PM

I wouldn't leave anything to chance, but that's just me.

LambOfGod · 12-27-2007, 08:55 PM

take it out man....you don't want to be kicking yourself later. Try selling a care without a warranty. I need to take mine in because the brake vacuum line is leaking and I will take mine out.

baltik · 12-27-2007, 10:18 PM

all valid points out it goes

edgarj · 12-27-2007, 10:35 PM

Good choice. Considering the minimal time of pulling it out, which gets much faster each time you perform the operation, leaving it in is 'just asking for it'. If you have one of those SA's that's unusually cool and you work it out before hand, maybe, but even then I'd pull it just in case you have major engine trouble that causes the SA to become less cool about the mod due to pressure from the service techs. My SA is one of the cool ones when it comes to reasonable mods, but I still revert to stock with this mod due the risk:reward ratio.

When you take it out, be sure to wipe off any gummy residue on the wires from electrical tape and, most importantly, restore the original dual solenoid tubing (if you're running 1.4x). I've heard that driving it for a day or two after reversion allows for proper ECU adaptation to completely normal parameters, minimizing any risk of detection if they're suspicious and press the question. Is this right? Anyway, it's really easy to revert to stock with this mod, so why risk it?

12-27-2007, 02:16 PM	#1
baltik Lieutenant 25 Rep 434 Posts Drives: porsche 944 turbo Join Date: Dec 2006 Location: 94920 iTrader: (0)	Safe to go to the dealer with Procede bypass plug? This would be for a software upgrade and standard service - Obviously V2 installed so vacuum lines look stock and no grounding wire visible. Any possible reason for dealer to open the ecu or detect via OBD?
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12-27-2007, 02:29 PM	#2
e90AW335i Major General 137 Rep 6,608 Posts Drives: e90 335i Join Date: Sep 2007 Location: ...... iTrader: (4)	I would take it out just to be sure, but that is just me....
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12-27-2007, 02:42 PM	#3
purplewidow Lieutenant Colonel 51 Rep 1,928 Posts Drives: e92 335 Join Date: Feb 2007 Location: Chicago iTrader: (2)	yeah didn't someone have a problem and they voided there warranty b/c they saw this? that must have been a shit dealer but still why take the chance...don't give them a reason to search for faults and see the ones you can't clear...just do a complete uninstall
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12-27-2007, 02:44 PM	#4
NPDAN Colonel 95 Rep 2,573 Posts Drives: AW DCT M3 Join Date: Feb 2007 Location: So.Cal iTrader: (7) Garage List 2008 E92 M3 [8.00] 07' E92 335i [0.00]	I've taken my car to the dealership before with the bypass plugs in place... However, there was no reason for them to open the ecu... __________________
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12-27-2007, 04:56 PM	#5
WOPALX Lieutenant Colonel 86 Rep 1,993 Posts Drives: 335i Sedan Join Date: May 2007 Location: Sydney, Australia iTrader: (2)	If I was going to the $tealership for warranty work then I would remove the unit, mainly because my car has other mods so they may have reason to look for it. However as luck would have it a local $tealership has just lost their BMW franchise but their master techs are staying put (it's rumored to be changing to Audi with the local Audi changing to BMW). So I will be going there for all my maintenance and as they are not BMW they won't care .
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12-27-2007, 08:34 PM	#8
gobo335i Toy Wrangler 11 Rep 193 Posts Drives: 135i - GoCart on Steroids Join Date: May 2007 Location: Los Angeles, California iTrader: (0)	A 4 year warranty is a valuable thing. Something to be extra careful with. I'd take mine out. Not worth loosing something I am paying for. __________________ Had a 335i. It was a highway missile. Traded to a 135i. It's a go-cart on steroids.
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12-27-2007, 08:41 PM	#9
san~man Tired 131 Rep 2,673 Posts Drives: BMW-less Join Date: Nov 2007 Location: USA iTrader: (7)	I wouldn't leave anything to chance, but that's just me. __________________ BMW-less
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12-27-2007, 08:55 PM	#10
LambOfGod Lieutenant 14 Rep 571 Posts Drives: 335 Red Sedan Join Date: May 2007 Location: Michigan iTrader: (0)	take it out man....you don't want to be kicking yourself later. Try selling a care without a warranty. I need to take mine in because the brake vacuum line is leaking and I will take mine out.
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12-27-2007, 10:18 PM	#11
baltik Lieutenant 25 Rep 434 Posts Drives: porsche 944 turbo Join Date: Dec 2006 Location: 94920 iTrader: (0)	all valid points out it goes
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12-27-2007, 10:35 PM	#12
edgarj Captain 32 Rep 815 Posts Drives: 335i e92 Join Date: Oct 2006 Location: San Marcos, TX iTrader: (1)	Good choice. Considering the minimal time of pulling it out, which gets much faster each time you perform the operation, leaving it in is 'just asking for it'. If you have one of those SA's that's unusually cool and you work it out before hand, maybe, but even then I'd pull it just in case you have major engine trouble that causes the SA to become less cool about the mod due to pressure from the service techs. My SA is one of the cool ones when it comes to reasonable mods, but I still revert to stock with this mod due the risk:reward ratio. When you take it out, be sure to wipe off any gummy residue on the wires from electrical tape and, most importantly, restore the original dual solenoid tubing (if you're running 1.4x). I've heard that driving it for a day or two after reversion allows for proper ECU adaptation to completely normal parameters, minimizing any risk of detection if they're suspicious and press the question. Is this right? Anyway, it's really easy to revert to stock with this mod, so why risk it?
	Appreciate 0 Quote