2005 Audi S4
Key Replacement - Save vs Dealer in San Diego
Real Keys | Real Savings

Why pay $400+ at the dealer when you can get the exact same OEM-spec key for a fraction of the cost? EZ Car Keyz delivers professional key replacement at prices that make sense.

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2005 Audi S4
Key Options
Dealer-grade key for a fair, honest price
Audi S4 OEM Quality Without the Markup
Same quality key, completely different price
2005 Audi S4 Remote Flip Key Replacement - Fast, Affordable & Professional
Your 2005 Audi S4 uses a Remote Flip Key. On the smart key models, that means a fob housing with 4 buttons on the face, a CR2032 battery inside powering the wireless communication, and an emergency HU66 blade tucked inside for backup entry. The car detects this fob through proximity antennas in the doors and cabin. Without it, the engine will not start.
A graphic designer at her townhouse driveway in Rancho Santa Fe had a S4 with a cracked smart fob. The housing had split at the corner from being dropped on the garage floor and the emergency blade was rattling loose inside. The dealer told her the only option was a brand new fob, programmed from scratch. $512. What they did not mention was that the electronics inside her cracked fob were still working perfectly. The circuit board and antenna chip were fine. She just needed a new shell.
I used my ACDP to read the BCM2 immobilizer data as a backup before starting any work. The ACDP reads the encrypted security module data directly, which gives me a safety net in case anything unexpected happens during a shell swap or reprogram. I moved her working electronics into a fresh housing, replaced the weak CR2032 battery, and verified every button plus the comfort access and push-to-start. Her fob, FCC ID MYT8Z0837231, worked exactly like it did before the crack.
She paid $278 for the shell swap and battery. The dealer wanted $512 to replace the entire fob when only the plastic was broken.
Save vs the Dealer on Your Audi S4 Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Audi S4 Rapid Response, Done Right
Rapid response in the field
Savings That Speak for Themselves
Five-star reviews from budget-smart drivers
“I needed a second key made for my 2012 Nissan Altima. They arrived quickly, finished in about 15 minutes, and gave me the best price I could find.”
“I lost my key and called EZ Car Keyz. Marco was great. He arrived quickly, explained everything clearly, and kept me informed throughout the entire process. The service was fast, professional, and fairly priced.”
“He arrived within 30 minutes and had everything finished in another 30 minutes for two cars. Everything was programmed and tested perfectly. Cheapest price in town and very honest service.”
Audi S4 Key Service Areas
Great rates across the county

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