Menu
Home
Forums
New posts
Search forums
What's new
New posts
Latest activity
Members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Reply to thread
Click here to become an Official Member of BMW Club Malaysia
Download Form
Home
Forums
The BMW Range
3 Series
E90, E91, E92, E93
When to change batteries
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Message
<blockquote data-quote="kolamp" data-source="post: 745824" data-attributes="member: 22825"><p><span style="font-family: 'arial'">We need to register the new batteries because from what ive read, </span><span style="font-family: 'arial'">BMW uses an "intelligent" alternator variable algorithm that monitors the attery condition (charge, rate of discharge, etc) and simply shuts on and off depending on this condition. That reduces engine load thus increasing efficiency -power and economy. </span></p><p></p><p><span style="font-family: 'arial'">From my understanding, old battery should have higher charging or discharging rate due to wear & tear compare to new batteries which require lower rate. Thats why we need to 'tell' the ECU that ure replacing new batteries so that the ECU won't overcharge ur new batteries thinking its still running on old battery. It just to prolong the battery life but if u don't register ur battery, u can still can start ur car no worries</span> :rock:</p></blockquote><p></p>
[QUOTE="kolamp, post: 745824, member: 22825"] [FONT=arial]We need to register the new batteries because from what ive read, [/FONT][FONT=arial]BMW uses an "intelligent" alternator variable algorithm that monitors the attery condition (charge, rate of discharge, etc) and simply shuts on and off depending on this condition. That reduces engine load thus increasing efficiency -power and economy. [/FONT] [FONT=arial]From my understanding, old battery should have higher charging or discharging rate due to wear & tear compare to new batteries which require lower rate. Thats why we need to 'tell' the ECU that ure replacing new batteries so that the ECU won't overcharge ur new batteries thinking its still running on old battery. It just to prolong the battery life but if u don't register ur battery, u can still can start ur car no worries[/FONT] :rock: [/QUOTE]
Verification
Post reply
Home
Forums
The BMW Range
3 Series
E90, E91, E92, E93
When to change batteries
Top
Bottom
