BMW X3 Key Replacement & Programming from £230
2010–present • CAS4 / FEM-BDC / BDC • Mobile service across London & the South East. Spare keys from £230, all-keys-lost from £380.
Cut to code, programmed at your address. Typical job 45–90 min.
Spare key serviceNo working key needed. Old keys wiped from the immobiliser so a found key can't restart your car.
Lost-key serviceHow BMW X3 key programming works
Your BMW X3 uses the CAS4 / FEM-BDC / BDC immobiliser system. F25/G01 chassis. We supply OEM-spec blades and cut to code on-site.
Common BMW X3 key & lock issues
- Comfort access aerial failure
- Footwell module water ingress
- Key learning fails after dealer disconnect
Confirm your exact key type
Enter your registration — we'll confirm the immobiliser type and quote you on the spot.
Get An Instant Auto Locksmith Quote
Enter your reg & postcode. Tick any extras — we'll send a tailored quote via WhatsApp in minutes.
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Fixed price confirmed before we attend · No-damage entry · Dealer-grade key programming
No spam · No obligation · Fixed pricing confirmed before we attend
Services for your BMW X3
Where we cover for BMW keys
BMW X3 — FAQs
How much is a spare key for a BMW X3?+
£230–£340 cut and programmed at your address. We bring everything to you — no main-dealer trip.
I've lost all keys to my BMW X3. What now?+
All-keys-lost on a BMW X3 starts at £380. F25/G01 chassis. We supply OEM-spec blades and cut to code on-site. Typical turnaround same-day, occasionally next-day on FBS4 / latest MQB jobs that need online unlock.
Can you program a used BMW X3 key I bought online?+
Most of the time yes — but check the chip type matches your year/chassis. We'll confirm from your reg before quoting. Used FBS4 Mercedes and MQB AES keys need component-protection unlock, which we handle online.
Do you come to my home / work?+
Yes — fully mobile across London and the South East. We cover Harrow, Slough, Heathrow, Uxbridge, Windsor and the surrounding areas.