1999 Audi A4
Key Replacement - Save vs Dealer in Ventura County
Licensed & Insured | Mobile Key Experts
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1999 Audi A4
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1999 Audi A4 Remote Flip Key Replacement - Fast, Affordable & Professional
A marketing consultant working out of a coworking space near Seabridge Marketplace in Oxnard called me about her 1999 Audi A4. She wanted a daily-use spare, not a drawer backup, and her first question was whether an aftermarket key would match what the dealer sells.
Fair question. Here is the direct answer.
OEM keys from Audi carry the four-ring logo, the factory housing, and a brand premium that adds up fast. The aftermarket blanks I carry use the same HU66 blade profile, the same ID48 Megamos transponder chip the Immo2 module expects, and the same circuit board layout inside the MYT8Z0837231 housing. Four buttons, same snap-together fit, same weight in your hand. The functional difference in daily use is zero when the aftermarket blank is quality tested.
I decoded her door lock with my HU66 Lishi right on the hood, cut the blade to spec on my mobile machine, then programmed the ID48 chip through the OBD port using a PIN read from the instrument cluster. The remote side paired on the first cycle. I walked her through locking, unlocking, trunk release, and the panic button. Then I started the car twice cold to confirm the immobilizer handshake was clean.
No four-ring logo on the back. Everything else, identical. She got a working daily key on site for a fraction of what the dealer quoted her over the phone.
Save vs the Dealer on Your Audi A4 Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
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“My key fob stopped working while I was at Oxnard Harbor and I thought I was going to need a tow. EZ Car Keyz showed up fast, programmed a new fob, checked everything carefully, and made sure the car was fully functional before leaving.”
“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”
“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”
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