← BavTuner · Interactive Preview · Sprint 9 · android Download Source
9:41
signal_cellular_alt wifi
BavTuner
Paired Adapters
bluetooth
ELM327 BT v1.5
AA:BB:CC:DD:EE:FF
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bluetooth
OBD2 Adapter Pro
11:22:33:44:55:66
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Nearby Devices
bluetooth_searching
No nearby devices found.
Tap Scan to search.
bluetooth_connected ELM327 BT v1.5 14.2 V
-- rpm ENGINE RPM
--km/hSPEED
--°CCOOLANT
--kPaBOOST
--VBATTERY
--%LOAD
Reading vehicle VIN from DME…
analytics
Fault Code Scanner
Scans all BMW ECUs using UDS ReadDTC protocol and looks up BMW-specific descriptions.
DMEEGSDSCEPS ACSMKOMBISZLTPMS
Scanning ECUs…
DME
1 / 8
Faults Found
None detected yet…
4 Faults Found
8 ECUs scanned
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Faults Cleared
Clear command sent to all ECUs. Drive cycle required for monitors to reset.
lock_open
Extended Diagnostic Session Active — FEM/BDC · DME · KOMBI · DSC
BMW F30 Front FRONT LIGHTS INTERIOR MIRRORS DOORS & LOCKS
Tap a zone to see features
tune FRONT LIGHTS
Pre-tune Baseline
2026-03-20 14:32 · F30 328xi · DME · 47 DIDs
Factory defaults
2026-03-15 09:11 · F30 328xi · FEM/BDC · 28 DIDs
Stage 1 – 328i Flash Map
340hp / 460Nm target · Binary flash required
ENET
DRL Brightness Tweak
FEM/BDC DID 0x4200 — ELM327 compatible
ELM327
Units
km / °C
Dark Theme
Polling Interval
OBD Protocol
ISO 15765-4 CAN
App Version
1.0.0-sprint9
Tap a paired adapter to simulate connecting
android Download Source Code

Open in Android Studio → connect your phone via USB → hit Run
Requires Android 8.0+  ·  ELM327 Bluetooth adapter  ·  BMW with OBD2 port