Audi A4 Key Replacement & Programming from £220
2008–present • MQB / VAG immo4-5 • Mobile service across London & the South East. Spare keys from £220, 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 Audi A4 key programming works
Your Audi A4 uses the MQB / VAG immo4-5 immobiliser system. B8 and B9 chassis. B9 uses MQB component protection; B8 immo5 jobs need CS readable EEPROM.
Common Audi A4 key & lock issues
- Comfort key (advanced key) sensor failure
- Component protection lock
- Key not detected near steering column
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.
Which service do you need?
Bundle & save — add related services
0/600
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 Audi A4
Where we cover for Audi keys
Audi A4 — FAQs
How much is a spare key for a Audi A4?+
£220–£350 cut and programmed at your address. We bring everything to you — no main-dealer trip.
I've lost all keys to my Audi A4. What now?+
All-keys-lost on a Audi A4 starts at £380. B8 and B9 chassis. B9 uses MQB component protection; B8 immo5 jobs need CS readable EEPROM. Typical turnaround same-day, occasionally next-day on FBS4 / latest MQB jobs that need online unlock.
Can you program a used Audi A4 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.