Here's a good list of tips for taking care of your i4 or any other EV.
- Use proper winter tires
- Check tire pressure
- Disable auto folding side mirrors
- Set regenerative braking to low
- Lift wiper blades before snow
- Slow down and don't accelerate quickly
- Use heated seats/steering wheel and less on cabin heater
- Use eco mode
- Preconditioning makes a big difference
- Park in direct sunlight if possible
