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BMW Connected Drive Interface

This is an interface between BMW Connected Drive cars (https://www.bmw-connecteddrive.co.uk) and emonCMS.

Tested with BMW i3 electric car. This input emulates the same API calls that the www.bmw-connecteddrive.co.uk site uses.

Readings

The following values are extracted from the BMW API.

  • battery_size_max
  • beMaxRangeElectricKm
  • beMaxRangeElectricMile
  • beRemainingRangeElectricKm
  • beRemainingRangeElectricMile
  • beRemainingRangeFuelKm
  • beRemainingRangeFuelMile
  • fuelPercent
  • kombi_current_remaining_range_fuel
  • chargingLevelHv
  • mileage
  • remaining_fuel
  • soc_hv_percent
  • ChargingActive
  • rssi

Sample config for emonhub.conf

Sample configuration, add these settings under the [interfacers] tag. Changing username and password to match those on https://www.bmw-connecteddrive.co.uk

### This interfacer manages communication to BMW API for electric car monitoring
[[BMWi3]]
    Type = EmonHubBMWInterfacer
    [[[init_settings]]]
        timeinverval =600
        duringchargetimeinterval=60
        nodeid = 28
        tempcredentialfile = /tmp/bmwcredentials.json
        bmwapiusername = USERNAMEGOESHERE
        bmwapipassword = PASSWORDGOESHERE
    [[[runtimesettings]]]
        pubchannels = ToEmonCMS,

Settings

timeinverval

Interval between taking readings from API. Normally 10 minutes (600 seconds) - the car only updates every few hours so dont flood BMW servers

duringchargetimeinterval

When charging the API updates more frequently, so update every 1 minute when charging is detected (60 seconds)

nodeid

The emonHub/emonCMS nodeId to use

tempcredentialfile

File where temporary access credentials are persisted across emonHub restarts.

bmwapiusername

Username as used in the https://www.bmw-connecteddrive.co.uk site

bmwapipassword

Password as used in the https://www.bmw-connecteddrive.co.uk site