Ctek/Bmw Charger

V

Validwarlord

Member
Morning All

Going to be a decent day today according to the forecast so going to fit the eyelet charging lead that comes with the Ctek/Bmw charger to the charging points under the bonnet pretty simple job but would I need to disconect the battery whilist I do this?

I will be looking to do this set up (Photo from another post)
 

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I’m fitting the smart top this morning. Was going to do it yesterday but it kept lashing it down every hour or so and have to take car out of garage to do it for easy access. I too use a CTEK when car isn’t been used for weeks on end but I am thinking of fitting the eyelets but with the connector accessible from the outside so I don’t have to open the bonnet all the time.
 
Let me know how the Smart Top install goes looking to get one of these very soon around £325 so a considered purchase (Or so the wife says) and also keep me posted on your project concerning the Ctek connector.

Tbh dont mind raising the bonnet to connect this unit :thumbsup:
 
I agree lifting bonnet no problem, I’ve been doing it for a year, just don’t want to stretch the cable with over use, also garage a bit tight with other toys (motorcycles) so have to be a contortionist to even get in the car never mind reaching in to reach the bonnet release thing.
 
Totally understand although new built houses dont seem to have large garages so its full with other things so the car has to stand on the drive motorbike was not being ridden so it had to go and fund the Z4 (Such is life) :rofl: :rofl:

Good luck with the install today going to buy one so would be good to have your thoughts?
 
Validwarlord said:
No going to tuck it away not sure where though will look when I get to do the job :thumbsup:
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There is a space just above the connector where it fits snuggly and out the way (don't have to worry about water ingress as it has a rubber cap), my CTEK also has an extended cable, so its doesn't get overstretched. Thats my car in the pics.
 
Has anyone put the connector anywhere accessible from the outside so you don’t have to open the bonnet? I had a quick look at doing it yesterday but couldn’t find anywhere suitable to leave the connector without the risk of it getting very wet.
 
Johnbmwz4 said:
Has anyone put the connector anywhere accessible from the outside so you don’t have to open the bonnet? I had a quick look at doing it yesterday but couldn’t find anywhere suitable to leave the connector without the risk of it getting very wet.
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SmartBear did his do so you could access through the front grill..no need to have the bonnet up.. :thumbsup:
 
just for my understanding, why are people connecting to these terminals, rather than the battery terminals?
 
Johnbmwz4 said:
Has anyone put the connector anywhere accessible from the outside so you don’t have to open the bonnet? I had a quick look at doing it yesterday but couldn’t find anywhere suitable to leave the connector without the risk of it getting very wet.
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I have mine set up with wireless power... just don't stand in the stream of electrons for more than a few seconds... it has a numbing sensation -- I think its banned in California. :fuelfire:
 
Ed Doe said:
just for my understanding, why are people connecting to these terminals, rather than the battery terminals?
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You are right of course on an E85.
However sometimes it comes down to something as simple as the distance to a plug socket and whether the car is nose in or tail in.
In addition, running a lead into the engine bay and then locking the car up is slightly easier than into the boot, where there's no obvious gap for a lead to come through.
 
Thanks for the reply - I was wondering if there was something I was doing wrong - for me i've found it fine running either through the boot, or one of the doors has worked ok!
 
I thought you had to use the terminals in the engine bay on E89s due to the BMS module. Charging straight to the battery by passes the BMS module.
 
Ed Doe said:
Thanks for the reply - I was wondering if there was something I was doing wrong - for me i've found it fine running either through the boot, or one of the doors has worked ok!
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The E89 has IBS..intelligent battery sensor on the battery terminal, part of a pretty advanced regenerative battery ‘ alternator system that uses accurate battery charge state for a myriad of different ECUs across the car…

If you charge the battery via its terminals you confuse the charging logic calculations..so the engine bay terminals are the only approved method of charging..
 
There we go, knew there was method to the madness! Equally pleased to hear it doesn't apply to my old nail too, as I've been charging it on the battery..!
 
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