Urgent advice needed: Purchase of JB4 Stage 2

Hi guys,

Urgent advice needed, I found a N20 JB4 stage 2 for sale at a great price. Guy wants to unload it today.

I have a 2013 328i EWG Manual.

See photo below the JB4 does not have EWG or OBD wires.

I've been told there is a specific JB4 card for EWG but the PWG card can work on both with addition of EWG wires. Is this true?

I've also been told that the OBD wire & plug can be bought & connects to the canbus wires. Please confirm?

JB4 website says that PWG card firmware can be updated to latest EWG type?

Basically I don't want to waste my money & buy this unit if the EWG specific unit has higher capability for performance.



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