Wait for the advice of someone who is sure, but I think you can just disconnect your car in the app (penultiate choice on page you have reprodced) and reconnect your new car using usual onboarding.
You might find it worhtwhile to consider connecting the Ohme Home Pro charger rather than the new car. I think all you need to do is to disconnect the old car (as above) and then do your unboarding with the charger rather than the car.

 

As above, disconnect the car and then go through onboarding again.
Using the charger rather than the car means you can easily charge any car you or anybody else has. You just need to adjust the percentage charge to add based on the battery size you have told the system you have for the original car Signup car. I assume the i4 and i5 have different battery sizes And it sounds like you may have another car change sooner rather later.

 

Appreciate both your responses. So just to be clear then, I'm going to select 'Disconnect Device' from the same menu as in the screenshot above and go through IOG on boarding again? When I did the original test charge etc to get on the tariff it linked in with the vehicle at that point. How do I just get linked to the charger? You would be right in your assumption about changing cars as I cycle through them every 6 months or so, so the benefit of linking the charger rather than the car would be great.

 

Correct, as you have said above, disconnect, then onboard again.
When you choose the charger first, it will not do a test charge as it’s not needed to prove like the car API route. (choosing car first)
Select charger first, then it will ask what car. This is so it knows the battery size and is used to work out what is required when you ask for a percentage charge. The key difference with the charger approach is you are asking what percentage to add to the car, not what percentage to charge it too.

I have 2 EV’s and a Zappi charger so choose the EV with 70kW battery when onboarding so when I connect the other 50kW EV I just reduce the percentage required. Works well and means any changes to car can easily be achieved.

The Ohme app-charger route is very different to others And as I understand it will become part of the OE app, but is in beta at present.
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Are you controlling your charge sessions using the Octopus app or the Ohme app? I ask because I have an Ohme Home Pro and use the Ohme app as the charge management point, and for visits from a friend in his iX3, I just have a second charge schedule for his car:

and disable my e208 schedule and enable his iX3 schedule above, then ‘SWITCH CAR’ from my model

to his model. It takes about 20 seconds to make the switch and doesn’t involve any re-registration of the Ohme or tariff. I then go into the iX3 Charge Schedule and set the charge% (using the ‘Added Range’ slider) to add and the Departure Time:

But this is using the Ohme app, not the Octopus app or his MyBMW app.

My recollection is that we tried an alternative whereby we went into the Ohme app then logged into his MyBMW account from there and this linked the Ohme and the BMW. And then went on to set the charge% ceiling from there. But I’m not certain about this as we’ve defaulted to just adding a charge% on the basis of the state of charge and not linking to his BMW account, as this is consistent with how I do my Peugeot.

 

Using the octopus app to control the charging sessions as the slots show in there rather than in the ohme app. When I originally set it all up I scanned the QR code on the charger and logged in through that which asked me to select my car and then logged me in to the BMW app. I then did a test charge to set up IOG and it then set up the charge plan. Be interested to know how you set that up as it sounds like you've done it a different way to the way I originally did it which seems to have tied it in to one vehicle.

 

I suspect the way that you did it meant you could set a default charge% ceiling (typically 80%) and leave it at that. The way I illustrate above has the advantage of supporting multiple vehicles, and multiple schedules for any vehicle (e.g. a weekday one and a weekend one) but I have to calculate the charge% to be added each time I plug in.

This all overlaps with whether there’s API integration between the Ohme and the EV. I don’t have it with my e208 so I’m forced to set a charge% to add each time I plug in. But if you do have integration with your BMW, then you have the luxury of just plugging the car in and walking away, knowing it’ll charge up to the default ceiling you’ve set.

What I‘M not sure about is how to, or if I can, set up say two charge schedules for his iX3, one with an 80% ceiling and the other with a 100% ceiling. He’d use the former most times but the latter ahead of a long trip where he wants to start off with the maximum charge. You can see the value of just being able to enable the charge schedule that’s appropriate before Plugging it in. The inference from my approach is that it could do this. But for all I know, it’s also possible using the Octopus app as well.

 

In the ohme app you simple reselect the car...

 

In the ohme app you simple reselect the car...

Okay so the Ohme app, as I understand it, is purely to understand the size of the battery in the car rather than anything else?

Correct, as you have said above, disconnect, then onboard again.
When you choose the charger first, it will not do a test charge as it’s not needed to prove like the car API route. (choosing car first)
Select charger first, then it will ask what car. This is so it knows the battery size and is used to work out what is required when you ask for a percentage charge. The key difference with the charger approach is you are asking what percentage to add to the car, not what percentage to charge it too.

I have 2 EV’s and a Zappi charger so choose the EV with 70kW battery when onboarding so when I connect the other 50kW EV I just reduce the percentage required. Works well and means any changes to car can easily be achieved.

The Ohme app-charger route is very different to others And as I understand it will become part of the OE app, but is in beta at present.
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Cheers for that, I'll give it a go tonight. I've requested to join that group as well as it's all quite new to me coming from using dumb chargers to something that actually plans the charge and time slots just takes some time to get your head around. I put the car on last night to hit 80% and charge between 23:30 and 5:00 (programmed through the BMW app) so having the functionality back to plug it in and let it work out charging slots makes way more sense.

 

When I program via the Ohme with IO, I don't have to restrict myself to the 23:30-05:30 period. The Ohme/IO will usually give me a session that runs between when I plug in and any departure time (as long as the period is long enough to do the charge). During that period, in any clock half hour when I'm charging, all my domestic electricity will be at the cheap rate, not just the EV charge. Example::

One day, it's lunchtime and plans have changed and I ideally need the car charged-up for 17:00. I set the Departure time to 16:45 (because sometimes they do over-run a bit). Then set the charge% and plug it in at 12:45. Odds are that I get a set of slots between, say 12:50 and 15:55 and usually these cover every half hour between 12:30 and 16:00 (sometimes, though, they may not, depending on the load on the Grid). So now I can put my lunch in the oven, do a clothes wash then tumble-dry, and perhaps do some baking - and all that will be at the 7.5p rate as well.

My understanding from posts on here is that managing via the Octopus app only allows this 'dynamic' charge session allocation between 16:00 to 11:00 the next day (or something similar). I'm told this is because my facility is effectively a trial of 24h dynamic sessions for a limited group of customers - those like me who have to use the Ohme app as the control point (because there's no API integration with my Peugeot). My view is that Octopus are indeed trying out a variety of ways to manage charge sessions, and seeing which is the most popular and how the 24h thing gets used. Plus how profitable or not it is for them if they offer 24h charging to more people.

So this may not last, or may get changed, or may be extended to everyone on IO. But for the moment it works very well for me as my use profile is very much like in the example I gave - very fluid and I may not want to wait until the night time to recharge. Of course, I can just day time charge at the full price but then, there are tariffs from other providers that would be more cost-effective. If Octopus can make 24h dynamic charging work on a larger scale, profitably, then it will gain them a lot of customers.

 

We have a Mini the app is basically the same as the BMW app, if you have linked the Ohme to IOG, then changing car is as simple as switching the vehicle in the Ohme app. At Xmas we switched from the Mini to our daughters Corsa and back again, takes less than a minute.

 

Okay so I disconnected the device and then struggled to link the charger again as it was asking for the QR code which it displayed the first time I used the charger. I then went through the setup again as if you were onboarding but it now shows the following when I hit 'Devices' in the octopus app:

I would assume now that it is controlled by the ohme app rather than octopus. My question is how do I get it to smart charge on IOG rates? Ohme shows this:

So it's basically just charging the car.

 

I cant see the pics, not sure if that’s my side or the thread.

 

Strange, they appear for me. I think the way I've integrated it now it's bypassed the octopus app controlling the charging and given that control to the ohme app. Something I think you spoke about earlier on in the thread actually.

It shows the screen in step 7 on the following link in the octopus app:

[legacy] How do I set up Intelligent Octopus Go?

Integrating your Ohme account with the Intelligent Octopus tariff will ensure you get super cheap electricity for any Smart Charging.

ohme-ev.com

It now also shows the tariff in the Ohme app, something it didn't do before. I just need to work out how to charge on slots on the ohme app as it appears to just charge as soon as I plug in.

 

It's the thread, I can't see them either

 

Sounds like you are now setup. I don’t have Ohme but I think some setups can start a charge as soon as you plugin. That’s usually when the car is the controller and the software has to tell it to stop so can take a few mins. The Ohme app and OE app is a hybrid oddity at present, but works well for many.

If you get on OE forum andyvee is the expert and he’s also on FB too.
He’s written the guides etc. and knows people at Ohme and OE I think.

 

With no schedule configured, the Ohme acts as a dumb chargepoint: it will charge whenever connected to a car.

Intelligent Octopus Go for Ohme requires a schedule is set and enabled in the Ohme app.

 

Spot on mate, I've done just that, plugged in this evening and it instantly popped up with a dynamic charging schedule.

Appreciate all your help on this as it works great now!