Cwatters Posted September 17 Share Posted September 17 Need new battery I'm my 2018 Diesel S-Max. One company says it needs to be "registered with the computer in the car because the car has auto stop start", another company said no it doesn't. Anyone know who is correct? In addition the existing battery is an EFB, is it OK to replace with an AGM battery? Thanks Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted September 17 Share Posted September 17 The battery monitoring system should be reset after replacing the battery. Technically it will still work without resetting, but not at maximum efficiency and longevity is likely to be reduced. No, it is not OK to replace an EFB with an AGM. They are charged differently. Quote Link to comment Share on other sites More sharing options...
StephenFord Posted September 17 Share Posted September 17 2 hours ago, TomsFocus said: The battery monitoring system should be reset after replacing the battery. Tom, would his 2006 car have BMS? EDIT Just realised the thread car is different to profile, ooppsss..... 1 Quote Link to comment Share on other sites More sharing options...
unofix Posted September 17 Share Posted September 17 2 hours ago, Cwatters said: new battery I'm my 2018 Diesel S-Max. Do not replace with an AGM battery, the cars charging algorithm is not set up for those batteries. The battery Monitoring System (BMS) should be reset once the battery has been changed but this something that you can easily do yourself without the need to use any tools. Quote Link to comment Share on other sites More sharing options...
unofix Posted September 17 Share Posted September 17 5 minutes ago, StephenFord said: would his 2006 car have BMS? No it wouldn't but his profile is wrong (yes, another one 🙄). His car is a 2018 S-Max. Quote Link to comment Share on other sites More sharing options...
unofix Posted September 17 Share Posted September 17 On 3/29/2023 at 8:14 PM, unofix said: How to reset the BMS method 2 Quote Link to comment Share on other sites More sharing options...
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