@the_garage_goblin: Did you know about this secret battery in your car? #mechanic #car

Garage Goblin
Garage Goblin
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Region: US
Tuesday 09 June 2026 20:34:24 GMT
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romantic.pianist
pianista romantico :
300$ for a battery??
2026-06-09 20:41:57
447
theingonitoweeb
Weeb :
I don’t think it was a matter of the dealership not knowing I think they were just profiting off you not knowing there was a second battery and you would just keep wasting money
2026-06-09 21:42:05
217
kingnoody7
kingnoody 7 :
i changed the trans oil, inside filter, and valve body on a 2014 Nissan máxima s/s and now the car won't go into any gear. it reaches 2,000rpm and then it exhales, but the car doesn't move. is there any saving it or do I need a new transmission
2026-06-11 02:32:23
6
squeak825
Squeak :
What car are we talking about? Every BMW I’ve ever seen only has one battery, and the main one is in the trunk. There are some rare models where they have two batteries but they’re both in the trunk. What model has their main battery under the hood?
2026-06-09 23:26:43
6
angryoldmechanic
user2827724463308 :
Let’s also point out the the BMS system must be reset or it will nuke the new battery thinking it’s still the old one
2026-06-09 21:51:34
30
rjsudz
rjsudz :
Excuse me, why am I so early?
2026-06-09 20:37:35
89
unknownvisonz
ViSONZ :
Dealership fault
2026-06-09 21:32:34
7
grizz_702
grizz the vanilla gorilla :
also a lot of the euro cars need a "relearn", procedure for the charging system on the new battery... especially if its push button start
2026-06-10 00:17:28
11
shp6620
SHP :
before changing you better check or ask to check if the battery is good
2026-08-01 03:22:24
2
peaceablerook
peaceablerook :
thats on the dealer
2026-06-10 15:53:04
4
happydeadman0
Cody Smet :
What years cuz I have an F30 e92 and e46 and all have had one battery in the trunk
2026-06-09 22:27:28
14
xarttv1
Xar1 :
in my moms volvo, they are next to eachother
2026-06-09 20:55:52
20
infinityldog96
InfinityLDog :
Funny enough, my 2007 Holden VE Commodore has its battery in the boot.
2026-06-09 21:59:14
11
catmankelly
Eric Kelly :
BMW= Bring Money With
2026-06-12 23:54:52
3
bellus0389
bellus0389 :
Anything after a 2020 might even have three and the new ones in the front are either a 48v or 12v, they are over $1,000 each. Most also take an AGM battery (H7 battery) and those sometimes run about $300
2026-06-09 23:27:58
5
jerrydenham7
Jerry Denham :
On my birthday
2026-06-10 01:59:30
4
antormedrano
Antor Jose Medrano :
😐those batteries sure are very expensive.
2026-06-14 00:34:03
1
stayseggsy
stay_seggsy :
Main battery on most bmw is in the trunk. Mercedes differs and honestly all cars differ where the aux battery lives. Ask where the jeep wrangler aux battery lives
2026-06-10 00:20:35
2
cooperduke2
COOPER DUKE :
Thats a lemon law claim if ive ever heard one
2026-06-09 20:48:44
8
pewter.6.6
Logan Craig :
Not all of them have it, my f30 still only has one battery
2026-06-09 22:00:48
1
ryan.newsome95
Morgenstern95 :
I’m currently trying to get another car with two batteries working. Both are in the trunk. It’s a 2014 Chevy caprice only ever sold in the states as a cop car.
2026-06-10 05:28:33
4
bbbrrrt
Marvel27 :
Mercedes benz have 3 batteries 😁
2026-06-10 11:14:58
2
tristanshook441
Tristan Shook441 :
he just went in and said I need a new battery every time no diag or anything else just give me a battery and that's it
2026-06-09 22:58:16
3
frasala04
F :
7 series bmw have 3 batteries 2 in the trunk one under hood
2026-06-12 15:42:12
2
courtland_0
Courtland :
Did the man not get a warranty on the batteries?
2026-06-09 21:47:30
4
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