Key programmer
The Keydiy KD-X4 is a key programming and diagnostic device used by automotive locksmiths. Our database has confirmed coverage on 5 key variants across 5 models from 4 makes.
Tools / Keydiy KD-X4
Used by
8%
of 193 tracked locksmiths
Makes covered
4
Across our tracked vehicles
Models covered
5
Variants covered
5
Adapters required
4
5C/5D circuit interface board for key PCB connection. KD ZB remote blank required. MQB license activation required., DB25 cable. MQB license activation required (same license as MQB48).…
Tokens
Yes
Per-operation cost on some links
Aggregated from every variant our research has confirmed. The headline tool price typically does not include these.
BDC2 / BDC3 adapter
1 useAdapter pair required for BMW BDC2 / BDC3 add-key on G-chassis.
Other notes
3 usesAdapter notes that don't match a known code. Hover for the original wording.
What you'll pay beyond the device itself.
This tool uses tokens for some operations. Token costs are listed per-vehicle in the coverage table below — plan for these on top of the headline price.
What other kit owners of this tool typically have. Drawn from Keysolved locksmiths' tracked tools.
5 vehicle rows confirmed across 4 makes.
How KD-X4 stacks up on covered vehicles.
Latest variants linked to this tool in our database.
Skoda Enyaq
Smart Key (3-button, KESSY)
BMW X3
Smart Key 4-button (dominant UK/EU G01 LCI variant, BDC03 era)
Volkswagen ID.4
Smart Key 3-button (EU/UK, all trims, all years)
Volkswagen Golf
Smart Key 3-button (MQB49 5D)
Audi A3
Smart Key 3-button (MQB49, 5C cluster, ~2020-mid2023)
