Hint: For some Android radio models the Bluetooth name OBDII is required for pairing!
Vehicles E36, E38, E39, E46, E52, E53, E83, E85 and E86 additionally require a connection between OBD pin 7 and 8 (or a pin7-pin8 adapter) to access all ECUs.įor vehicles with OBD I socket in the engine bay additionally the pin 8 of the OBD II socket has to be connected at the vehicle side ( OBD1-OBD2.pdf)! If the link is outdated (what it is most of the time) all adapters are sold, in this case please simply wait for an update of the link. You could buy the preprogrammed Bluetooth adapter also at EBAY.Īdapters from this link include a license for the BMW coding function of one F series or higher vehicle. The ones with BK3231 chip are supported too.įor programming the firmware see: programming Buy a preprogrammed adapter It's best to buy it with a Bluetooth module based on a CSR BC417 chip. Search for PIC18F25K80 ELM327 on Aliexpress. It is required to buy adapters based on a PIC18F25K80 microcontroller. Modified Bluetooth adapter (recommended) with replaced OpenSource Bluetooth firmware: Baud rate 115200 and alterable Bluetooth pin (16 digits) and name (31 chars).
Unmodified Bluetooth and WiFi adapter: Baud rate 38400.Flashing of a modified ELM327 firmware is possible.Reduced power consumption due to use of sleep mode.Firmware updates are possible with the Deep OBD app, if the repacement firmware has already been programmed.Contains a bootstrap loader that allows firmware update without opening the device.New: Support for the VAG protocols KWP2000, KWP1281, TP2.0 (cars until 4.2012).Faster and more stable CAN communication.There is now a replacement firmware available for ELM327L based Bluetooth and WiFi adapters, that has the following advantages over the standard firmware:
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