Welcome, to your new car-life!
You will most sureley get a confirmation here any hour that you could use those injectors from an electrical point of view.
But they are probably a bit too large for you engine.
Too large injectors will lead to very short injectiontimes at idle, and maybe also give you fault codes and even adaptation problems.
Ideal would be some 30-40% larger flow, not as muich as your proposed 55%.
Up and down there is a software limit on how much the ECU is allowed to adapt due to changes in the fuelsystem such as clogged fuelfilter or such, depending on the ideas of the manufacturer of the engine.
If the system reach that limit, (often +-20% fuel amonut), the system will put an error code, and refuse to adapt further.
In your case this might lead to an too rich running engine and an overheated catalyst.
So I think you should try to find injectors of more the right size.
Only + 20% larger injectors wold do fine since the adaptation could then take care of the rest.
(Would also give a better possibility to go back to petrol if ever needed, real flexifuel!)
Regarding winter driving, many here are doing fine with 100% E85 (if availble) also during wintertime.
No problems at all if you have a eningeheater for the coldstarts.
If not, you can mount a extra resistance in series with the tempurature sensor of the coolant water, for the ECU.
This would lure the ECU that it -30 deg C instead of say -10 degC , and enrich enough.
But this is only to be used the first seconds, so you have to make a solution with a switching relay or something and control it manually.
There is a project going also to make a more automatic solution for this.
(Not always you who drive the car maybe...
)
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