how long to leave your car unstarted???

simples · 11-18-2009, 05:00 AM

how long do u think u would need to leave your car parked up without starting it before the battery needs to be jumped?
i'm going to leave my car at an airport car park so don't wanna come back to a flat battery !

cheers

dxb335d · 11-18-2009, 05:33 AM

Every individual car is different. Due to how they are used, what things are on/used on the car.

I have previously left a car for 6 months and it started fine. I wouldnt reccomend that though.

How long are you planning on leaving it. Just disconnect the Battery and you should Be fine.

TurboBimmer · 11-18-2009, 05:51 AM

On my E46 the battery went flat after +/- 1 month. On the E9x the battery is bigger, but I suspect there are also more electronic gizmos draining it. So I guess it won't hold much longer than that.

MEGA · 11-18-2009, 06:14 AM

If your going to be gone longer than a month; Disconnect the battery. Obviously thats not ideal in an airport carpark though as the clown nose won't flash then I guess?

NB. And only possible if you've got a manual locking bootlid.. I think not all cars do in E9* ? Because otherwise how do you lock up / unlock afterwards

Dave_3 · 11-18-2009, 06:35 AM

Quote:

Originally Posted by MEGA

If your going to be gone longer than a month; Disconnect the battery. Obviously thats not ideal in an airport carpark though as the clown nose won't flash then I guess?

NB. And only possible if you've got a manual locking bootlid.. I think not all cars do in E9* ? Because otherwise how do you lock up / unlock afterwards

The alarm light will flash, but even that will eventually power down. I've left my car for a good few weeks, and when returning the alarm light is not flashing and the CA is asleep. Easy to open with keyfob and starts as usual. The car is clever enough to go to sleep if left for a long time, rather than continually draw power for alll those functions that will start to boot-up as you open the door/unlock.

Even the CA keyfob has the hidden key, so you can lock/unlock your car the old fashioned turn key way if you wish. There is a slot on the boot too, under the lip.

As regards leaving it at the airport for a long period, why not just get a taxi. Probably cheaper than paying for parking fees ... I'd be more worried someone clock the car sitting every day and thieve it than worrying about the battery going flat.

D.

11-18-2009, 05:00 AM	#1
simples Second Lieutenant 10 Rep 274 Posts Drives: 335i Join Date: Nov 2009 Location: london iTrader: (0)	how long to leave your car unstarted??? how long do u think u would need to leave your car parked up without starting it before the battery needs to be jumped? i'm going to leave my car at an airport car park so don't wanna come back to a flat battery ! cheers
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11-18-2009, 05:33 AM	#2
dxb335d The Tarmac Terrorist 942 Rep 29,345 Posts Drives: 997.2 GT3 Join Date: Mar 2007 Location: ''Fandango Towers'' iTrader: (3) Garage List 2010 Porsche 997.2 GT3 [9.50] 2003 BMW E46 M3 [6.00] 2007 BMW E92 335D [5.50]	Every individual car is different. Due to how they are used, what things are on/used on the car. I have previously left a car for 6 months and it started fine. I wouldnt reccomend that though. How long are you planning on leaving it. Just disconnect the Battery and you should Be fine. __________________ 997.2 GT3
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11-18-2009, 05:51 AM	#3
TurboBimmer Lieutenant Colonel 79 Rep 1,618 Posts Drives: F82 M4 Join Date: Mar 2009 Location: Luxembourg iTrader: (5)	On my E46 the battery went flat after +/- 1 month. On the E9x the battery is bigger, but I suspect there are also more electronic gizmos draining it. So I guess it won't hold much longer than that. __________________ Performance Seats, Exhaust, Splitters, Pedals, Steering Wheel / RB Turbos / M3 CF Roof / Brembo GT BBK 355/345 / Rollcage / Forge FMIC / Quaife LSD / Öhlins Road & Track / M3 Suspension Parts / Solid Subframe Bushings / Vorshlag Camberplates / Megan Racing Toe Links / LeatherZ Gauges / Extended M3 DCT Paddles / ER Sports OC / AR OC / Aux Radiator / AR DPs / Alpina TCU / COBB Pro-Tune
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11-18-2009, 06:14 AM	#4
MEGA Dieseasal 204 Rep 6,881 Posts Drives: LCI E92 335d M-Sport Join Date: Jan 2009 Location: Harrow, London iTrader: (2)	If your going to be gone longer than a month; Disconnect the battery. Obviously thats not ideal in an airport carpark though as the clown nose won't flash then I guess? NB. And only possible if you've got a manual locking bootlid.. I think not all cars do in E9* ? Because otherwise how do you lock up / unlock afterwards __________________ Previously: 2003 Peugeot 206 1.6 8v \| 2006 E90 320d M-Sport, 19" BBS CH, Full Ice-cold JL audio install, August 2010 Total BMW 6 page feature car. \| 2003 Nissan 350Z GT Coupe 286BHP Now:2010 E92 LCI 335d M-Sport
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