Jump Pack/booster pack for installing tune

Nismo G · 03-14-2017, 11:42 PM

This may be a really dumb question as I can't find any discussions on the idea anywhere. The cold weather here in Boston doesn't help with battery life and I need to uninstall Cobb AP tune for a trip to the car dealer (trying to avoid the whole "your car is tuned thing"). However I live in the city and park in a parking garage. I don't have the ability to use a trickle charger since there are no outlets to plug into. I'm concerned the battery may die when in the middle of the flash.

Has anyone attached a jump pack to the car to act as a "secondary" source of power when flashing their car?

specialist · 03-15-2017, 07:45 AM

you could do that it will be fine. I have put car chargers and battery packs to change the rear battery. so I wouldn't have to register the new battery it work find I can't see why not you can't do that

davidwarren · 03-15-2017, 08:23 AM

I have done that. Just make sure it stays on. My jump pack turns itself off after like 10 minutes.

BSM n54iS · 03-15-2017, 07:57 PM

Yea I did that too when I first started tuning. BTW autozone has a great return policy

Use the battery terminal in your engine bay!!

Nismo G · 03-15-2017, 09:07 PM

Good to hear some of you have done it without issues. I will need to shop around now

03-14-2017, 11:42 PM	#1
Nismo G Second Lieutenant 50 Rep 243 Posts Drives: 2008 335xi Sedan Join Date: Jul 2014 Location: Sarasota, FL iTrader: (1)	This may be a really dumb question as I can't find any discussions on the idea anywhere. The cold weather here in Boston doesn't help with battery life and I need to uninstall Cobb AP tune for a trip to the car dealer (trying to avoid the whole "your car is tuned thing"). However I live in the city and park in a parking garage. I don't have the ability to use a trickle charger since there are no outlets to plug into. I'm concerned the battery may die when in the middle of the flash. Has anyone attached a jump pack to the car to act as a "secondary" source of power when flashing their car? __________________ Current: 08 335xi Sedan - ST Suspension Coilovers - M3 Front Strut Brace - COBB Stage 1 - ECS Tuning Chargepipe + BOV - aFe Stage 2 Intake - Precision Raceworks Ignition Coils
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03-15-2017, 07:45 AM	#2
specialist First Lieutenant 26 Rep 352 Posts Drives: 335i Join Date: Apr 2013 Location: toronto iTrader: (0)	you could do that it will be fine. I have put car chargers and battery packs to change the rear battery. so I wouldn't have to register the new battery it work find I can't see why not you can't do that
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03-15-2017, 08:23 AM	#3
davidwarren Captain 187 Rep 670 Posts Drives: 328,325, 325, 335, X5, 640 GC Join Date: Dec 2011 Location: Louisville, ky iTrader: (0)	I have done that. Just make sure it stays on. My jump pack turns itself off after like 10 minutes. __________________ 2010 335i e90 Le Mans Blue/Chestnut Brown \| M-Sport \| 6MT
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03-15-2017, 07:57 PM	#4
BSM n54iS Brigadier General 2685 Rep 4,202 Posts Drives: '11 335is \| '16 Macan Turbo Join Date: Aug 2015 Location: Everywhere and Nowhere iTrader: (7)	Yea I did that too when I first started tuning. BTW autozone has a great return policy Use the battery terminal in your engine bay!! __________________ '11 335is BSM MT "BMW Performance Editon" \| '16 Porsche Macan Turbo GruppeM CF Intake \| AR Resonated DP \| ER CP \| Turbosmart RacePort BOV \| Cobb FMIC \| RB Inlets \| RB External Mishi/Turner OCC \| Michelin PS4 \| BMW Performance Springs/Bilstein B8 + Dinan & M3 bits \| BMW Brembo BBK \| BMW Performance CF Spoiler \| BMW Performance CF Lip \| BMW Performance Alcantara \| PS Designs GTS Armrest \| AG H6-40 \| Rear Seat Delete Last edited by BSM n54iS; 03-15-2017 at 08:03 PM..
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03-15-2017, 09:07 PM	#5
Nismo G Second Lieutenant 50 Rep 243 Posts Drives: 2008 335xi Sedan Join Date: Jul 2014 Location: Sarasota, FL iTrader: (1)	Good to hear some of you have done it without issues. I will need to shop around now __________________ Current: 08 335xi Sedan - ST Suspension Coilovers - M3 Front Strut Brace - COBB Stage 1 - ECS Tuning Chargepipe + BOV - aFe Stage 2 Intake - Precision Raceworks Ignition Coils
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