Audi A4 / S4 / RS4 2015 Unlock Code⚡

B8 | Instant Retrieval | 24/7 Service

Audi A4 / S4 / RS4 2015 car photo
Dealer price $120 92% Off!
Our price: only $9.99
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100% Money-back guarantee if the code doesn't work

Your code shows up immediately after processing your purchase and is emailed to your email additionally. We're available anytime.

Incorrect code? You're protected by our Complete Satisfaction Guarantee. Simply send us a video that shows both the code entry and serial number together. Simple process.

View our complete Refund Policy.

Once you have your code:
1. Turn on your Audi A4 / S4 / RS4 2015
2. Your radio will display "Enter Code" or "CODE"
3. Use preset buttons to enter each digit
4. Press and hold button 6 to confirm
5. Your radio unlocks immediately!
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How to get your Audi A4 / S4 / RS4 2015 radio code?

1. Find the serial number on your radio. Press preset buttons 1 & 6 for 2-3 seconds. Serial number will display on screen. VIN not needed!

2. Enter your serial number in the field on the left

3. Proceed to checkout to instantly receive your unlock code

Compatible Radio Types:

  • Audi OEM
  • Blaupunkt
  • Siemens

Serial Number Patterns:

Your radio serial may start with: AUZ, BP

Serial Number Examples:

AUZBZ7A1234567 (AUZ)

About 2015 Audi A4 / S4 / RS4 (B8)

The 2015 Audi A4 / S4 / RS4 (B8) came equipped with OEM radio units that require unlock codes when power is disconnected. Our service provides fast radio code retrieval for all 2015 Audi A4 / S4 / RS4 variants.

Common Reasons for Radio Lock:

  • Battery disconnection or removal
  • Electrical maintenance in your 2015 A4 / S4 / RS4
  • Radio removal
  • Fuse replacement
  • Boosting after dead battery
  • Purchased used car without code card

Why Our Service is Better:

⚡ Instant vs Days of Waiting
Dealer: 2-5 business days
Our service: Seconds

💰 $9.99 vs $120+ Dealer Price
Dealer: $120-$200
Our service: $9.99

No VIN required - just your radio serial number! Works for all 2015 Audi A4 / S4 / RS4 trim levels and radio variants.