2004 Audi S4
No-Tow Key Replacement in Ventura County

Q: What is a remote flip key?

A remote flip key is the type of key your 2004 Audi S4 uses. It contains a programmed chip that communicates with your vehicle's immobilizer system to verify it is an authorized key before the engine will start. It also has 4 buttons for remote lock, unlock, and other functions depending on your trim level. Without proper programming, even a perfectly cut key will not start your Audi because the immobilizer will reject it.

Q: Why does the dealer take so long on Audi keys?

Three bottlenecks. First, Audi tracks every key by VIN at the corporate level, so the dealer needs authorization before ordering, and parts sometimes ship from Germany which can add weeks. Second, once the key arrives, you need a programming appointment during service hours, which can be days out depending on bay availability. Third, the actual programming requires ODIS with online server access, and if there is an immobilizer sync issue, the car can sit in the bay for hours. One owner reported a two hour wait that ended with the dealer saying they could not get the keys to sync. A job that takes us 30 to 45 minutes on your driveway becomes a multi-day event at the dealer.

Q: What is the FCC ID for the 2004 Audi S4 key?

The FCC ID is MYT8Z0837231, KR55WK45022. This is the identifier printed on the back of your key fob that tells us exactly which key your vehicle requires. It ensures we match the correct blank, chip frequency, and remote protocol so the key programs correctly on the first attempt. If you are comparing prices or shopping for a key online, the FCC ID is how you verify you are getting the right part for your specific Audi.

Q: Is same-day service available for all-keys-lost?

Yes. All-keys-lost on an Audi takes longer than a simple spare because the BCM2 module needs to be accessed and new keys generated from the immobilizer data. A locksmith with proper BCM2 tooling reported finishing a complete Audi AKL job in about 30 minutes of electronic work once on site. Compare that to the dealer route where you are looking at a tow, waiting for a key to be ordered and authorized, and a programming appointment that could be days or weeks out. We handle Audi AKL same-day, on site, with no towing required.

Mobile Service | No Dealer Trip Needed

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Don't wait 3-5 business days at the dealership. EZ Car Keyz gets you back on the road fast. We arrive quickly and have your new key working before your coffee gets cold.

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min arrival

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Key cut and programmed in a single visit

Done in Under 1 Hour

Key cut and programmed in 20-45 minutes

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2004 Audi S4
Key Options

No dealer appointment, no towing, no hassle

Flip Key

Audi S4 Speed Comparison

See how fast we finish vs dealer delays

EZ Car Keyz

Dealership

Average Cost

✓ $$

✕ $$$$

Location

✓ We come to you

✕ You drive there

Wait Time

✓ 20-45 min

✕ 2-5 days

Same-Day

✓ Yes

✕ Rarely

All Keys Lost

✓ No problem

✕ Tow required

OEM Quality

✓ Yes

EZ Car Keyz wins 5 out of 6

Same-day service vs dealer wait times

Same-Day Keys (805) 790-8162

2004 Audi S4 Remote flip key Replacement - Fast, Affordable & Professional

The dealer process for a 2004 Audi S4 key goes like this. You call and get transferred to the service department. You schedule an appointment, usually days out. You figure out how to get a car with no working key to the dealer, which means a tow. You sit in a waiting room. You pay 542 plus the tow. Then you drive home and half your day is gone for one key.

A software engineer at his tech startup office in Telephone Road commercial area in Ventura could not lose a day to this. He was in the middle of a product launch with standups at 9am and demos at 3pm. His Audi smart key had fallen into a storm drain outside the office. He watched it disappear. He could not leave work, could not get the car towed during business hours, and could not wait until the weekend.

I drove to his office lot over lunch. I plugged my IM608 into the OBD port and ran the Audi immobilizer diagnostic. The IM608 reads the security module, identifies which keys are registered, and handles new key programming through the same port. His remote flip key, FCC ID MYT8Z0837231, was a 4-button smart key. I programmed a replacement fob and tested comfort access, push-to-start, and all remote buttons before handing it over.

He walked back inside and made his afternoon demo. Total was 298. The dealer wanted 542 plus a tow. His car never left the parking spot.

Mobile Audi S4 Key Replacement

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LCO#6792

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2004 Audi S4

Remote flip key | BSIS Verified

10-15 min

Reliable ETA

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Ventura

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805 Area

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Real Reviews From Real Driveways

Customers who never left their driveway

A

Alexx C.

Dec 2025

★★★★★

“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.”

Google Review

P

Priscilla L.

May 2025

★★★★★

“I lost my Honda Passport key and called EZ Car Keyz. He came out and made a new key in under five minutes. Legendary service.”

Google Review

D

Dan G.

Mar 2024

★★★★★

“They responded instantly, showed up within an hour, and arrived exactly when they said they would. Made a copy and programmed a fob for my 2014 car with a worn ignition in about 15 minutes. The new key works perfectly and feels like a dealer key.”

Yelp Review

EZ Car Keyz technician with satisfied customer

★ 5.0 out of 5 - Based on 1,000+ Google Reviews

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Audi S4 Timing and Availability FAQ

Money questions, straight answers

How long does the Audi dealer take for key replacement?▼

Audi owners describe the dealer process as taking about two to three days from key authorization to completed programming when everything goes smoothly. Some owners are told three to four weeks when the key has to be ordered from Germany. One Audizine member drove to the dealer expecting a same-day job and sat for two hours only to be told the keys would not sync with the immobilizer and they needed to come back. With us, the whole process is same-day, on site, typically under an hour.

What is a remote flip key?▼

Why does the dealer take so long on Audi keys?▼

What is the FCC ID for the 2004 Audi S4 key?▼

Is same-day service available for all-keys-lost?▼

Questions? Call (805) 790-8162