2004 BMW Z4
Mobile Locksmith Key Service in Ventura County

Q: What is a remote head key?

A remote head key is the type of key your 2004 BMW Z4 uses. It contains a programmed chip that communicates with your vehicle CAS, FEM, or BDC module to verify it is an authorized key before the engine will start. It also has 3 buttons for remote lock, unlock, and other functions depending on your trim level. Without proper programming and module synchronization, even a perfectly cut key will not start your BMW.

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

Because BMW keys are VIN-locked and must be ordered through the dealer network. The dealer cannot just grab a blank off the shelf and program it. They order the key from BMW, wait for it to ship coded to your VIN, then schedule shop time for programming. The programming itself involves connecting to the vehicle with ISTA, running a vehicle test, blocking any lost keys, and enabling the new one. One BMW employee confirmed this process includes 0.5 to 1.0 hours of billed programming time on top of everything else. We cut all of that out and do the job at your vehicle.

Q: What is the FCC ID for the 2004 BMW Z4 key?

The FCC ID is LX8FZV. 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. Having this number ready when you call speeds up the process and confirms we are bringing the right key to your location.

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

Yes, for most BMW models. We carry common BMW key blanks on the truck and have the CAS and FEM programming tools to handle all-keys-lost on site. The full AKL process including module access, key generation, cutting, and programming typically takes 1 to 3 hours depending on whether your BMW uses CAS, FEM, or BDC. BMW dealers cannot do same-day AKL because the key must be ordered by VIN and shipped, which takes days to weeks. We bring everything to your vehicle and get it done in one visit.

No Towing Required | We Bring the Shop

Available Wednesday

Remote Head

Transponder

Time matters when you need a car key. Our technicians are dispatched quickly with everything needed to cut and program your replacement key on the spot. No delays, no runaround.

CA BSIS LICENSE LCO#6792

Service at Your Door No Appointments On Your Schedule

Fast Response15-25

min arrival

1,000+reviews

Call (805) 790-8162 Text Us

Mobile Service

Our van carries everything, no shop visit needed

15-25 Min Arrival

Our mobile unit is dispatched immediately

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805 Special

10% OFFCODE:EZ-805-2026

🔥 No dealer trip, plus a discount 🔥

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2004 BMW Z4
Key Options

We bring everything to you, wherever you are

Turn Key Ignition

BMW Z4 Key Today vs Next Thursday

Our timeline vs dealer timeline

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

Quick Response (805) 790-8162

2004 BMW Z4 Remote head key Replacement - Fast, Affordable & Professional

He landed back in town, took the shuttle to short-term parking, and his 2004 BMW Z4 wouldn't respond to the fob at all. He pressed every button, held it near the steering column, tried the backup slot. The CAS module wasn't recognizing the key and the doors were locked.

The dealer could see him Friday. It was Wednesday. A tow from the airport garage would run $210. He found EZ Car Keyz online.

I was at the airport garage within 40 minutes. Once I got the door open, I connected my IM608 to the OBD port and read the CAS module. His key data was still in the system but the fob's internal rechargeable battery had completely failed and the transponder wasn't getting enough power to respond. His smart key, FCC ID LX8FZV, was a 3-button CAS3 fob that needed a new battery cell and a resync with the immobilizer. I gave him a spare CR2032 for the glovebox so he'd have a backup next time.

He drove home that same evening. Total was about 185. Dealer would have been 395 plus $210 towing plus two days in a service queue. His BMW never left the parking space he pulled into a week earlier.

Skip the Dealer, We Drive to You

Your car stays where it is. We drive to you with all the tools and key blanks on board.

Easy Booking (805) 790-8162 Text Us

BSIS Licensed

LCO#6792

CA Bureau of Security & Investigative Services

NASTF Certified

National Automotive Service Task Force

Fully Insured

Liability & vehicle damage coverage

Google Guaranteed

Verified & backed by Google

Real BMW Z4 Credentials, Real Work

Professional service you can trust

2004 BMW Z4

Remote head key | Pro Grade Service

10-15 min

Proven Timing

Available Today

Oxnard

Insured Service

805 Area

Trusted Pros (805) 790-8162

BMW Customers Love the Convenience

What doorstep service looks like in reviews

G

Guillermo C.

Dec 2025

★★★★★

“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”

Google Review

G

Gregorio P.

May 2021

★★★★★

“Steve was incredibly helpful when I lost my car keys. He came out the exact same day and I only waited about 30 minutes. I really needed to get to work and he completely saved me.”

Google Review

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

EZ Car Keyz technician with satisfied customer

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

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2004 BMW Z4 Same-Day Service FAQ

Money questions, straight answers

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

Much longer than owners expect. BMW keys are VIN-matched and made to order, with delivery times ranging from 2 to 3 days on common older keys up to 10 business days or even 3 weeks on newer models. One X5 owner was still waiting four weeks after being told the key was ordered. Once the key arrives, programming at the dealer is quoted at 1 to 3 hours. One owner reported the full process took 3 days because it started on a weekend. Add it all up and you can easily be without your BMW for a week or more.

What is a remote head key?▼

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

What is the FCC ID for the 2004 BMW Z4 key?▼

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

Questions? Call (805) 790-8162