BMW 5 Series Key Replacement & Programming from £240
2010–present • CAS4+ / FEM-BDC / BDC • Mobile service across London & the South East. Spare keys from £240, all-keys-lost from £400.
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 5 Series key programming works
Your BMW 5 Series uses the CAS4+ / FEM-BDC / BDC immobiliser system. F10/G30. Comfort Access keys supported. AKL on later G30 requires BDC bench read.
Common BMW 5 Series key & lock issues
- Comfort access not unlocking from one door
- Key not detected when phone next to fob
- Battery drain from sleeping FEM
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 5 Series
Where we cover for BMW keys
BMW 5 Series — FAQs
How much is a spare key for a BMW 5 Series?+
£240–£360 cut and programmed at your address. We bring everything to you — no main-dealer trip.
I've lost all keys to my BMW 5 Series. What now?+
All-keys-lost on a BMW 5 Series starts at £400. F10/G30. Comfort Access keys supported. AKL on later G30 requires BDC bench read. Typical turnaround same-day, occasionally next-day on FBS4 / latest MQB jobs that need online unlock.
Can you program a used BMW 5 Series 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.