|
|
|
11-23-2013, 05:38 PM | #1 |
Private First Class
14
Rep 124
Posts |
Long cranks on start up
Hi guys, I recently did a DIY on a battery charge in my E87 and a friends E90. So battery wasn't registered after install
Problem is, after the battery change I would regularly have long cranks to start the car, which is abit worrying, where as my friends car had no issues. Wondering if its the battery issue cos the car was fine before the battery change. Thanks |
11-23-2013, 05:57 PM | #3 | |
Private First Class
14
Rep 124
Posts |
Quote:
|
|
Appreciate
0
|
11-23-2013, 06:07 PM | #4 | |
European Editor
10539
Rep 22,992
Posts |
Quote:
IF the the answer is all YES's then you can replace the battery and not need to register it. BUT if the battery has more or less Ah or CCamps... then you will need to register it. You also need to use a AGM battery. You might also want to check the battery terminals that they are tight and not loose.
__________________
|
|
Appreciate
0
|
11-23-2013, 07:04 PM | #5 |
Private First Class
14
Rep 124
Posts |
Actually it's not the exact Ah/amp I think it is a little higher then the OEM that it replaces. The connection is fine not loose. Might have to get it coded to fix the problem
Thank you |
Appreciate
0
|
11-24-2013, 04:05 AM | #6 |
Lieutenant
114
Rep 537
Posts |
Dackel is right, if its the same spec battery as the original one it doesnt need to be re-registered, but you should still have the battery coding reset as a new battery.
Theres 2 parts to "coding" a battery. Registering the correct battery (ie AGM + amp hours + cold crank rating etc) and then on top of that, coding the new battery which tells the recharge system that a new battery is installed, it then reconfigures the charging profiles to a new (and not old) battery.
__________________
2020 MY21 BMW M2 Competition 6MT | Black Sapphire OLD 2010 BMW 135i M Sport 6MT | Le Mans Blue 2016 BMW F15 X5 30D | Sapphire Black | Black Leather |
Appreciate
0
|
11-24-2013, 06:53 PM | #7 |
Private
11
Rep 87
Posts |
Your long crank is most likely not cause by changing the battery. If it's starting, it's not going to be a loss connection.
Depends on the equipment level, registering the new battery may or may not be that critical as the car might not have an idea of the charge level anyway. If you are upgrading the battery, ie, high Amperage, AGM etc, then you have to code the upgraded battery type into the car, so it knows how to charge it. |
Appreciate
0
|
11-24-2013, 06:58 PM | #8 | ||
Private
11
Rep 87
Posts |
Quote:
If it did came with an AGM battery, then means it's got very high equipment level, and that means even if you replace the battery with the same type, you need to register it so the car knows the charge level of the battery. And so that it will not throw a battery warning unnecessarily. |
||
Appreciate
0
|
Post Reply |
Bookmarks |
|
|