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2001 BMW 3 Series
Key Replacement - Save vs Dealer in San Diego

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2001 BMW 3 Series Remote Head Key
Remote Head Key

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Rapid response 2001 BMW 3 Series key details from EZ Car Keyz Coronado CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
Rapid response 2001 BMW 3 Series key details from EZ Car Keyz Coronado CA
Key specialists
BSIS Licensed
Licensed by the California Bureau of Security
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2001 BMW 3 Series
Key Options

Dealer-grade key for a fair, honest price

Remote Head Key
Most popular BMW key typeMost Popular
2001 BMW 3 Series Remote Head Key LX8FZV
FCC IDLX8FZVPart #6955750Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Transponder Key
2001 BMW 3 Series Transponder Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Key
2001 BMW 3 Series Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Instant 2001 BMW 3 Series key fob options from EZ Car Keyz Coronado CA
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Instant 2001 BMW 3 Series key fob options from EZ Car Keyz Coronado CA
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The 2001 BMW 3 Series is an E46 chassis, and it runs an immobilizer system that communicates directly with the key's transponder chip. The remote head key on this car is not just a fob clipped to a blade -- the transponder lives inside the key head and has to be registered to the vehicle's immobilizer before the engine will run. Battery in these is a CR2032, and when it gets weak, the remote functions go first: lock and unlock get flaky, range drops to almost nothing. But even a completely dead fob battery does not prevent the car from starting as long as the transponder is still communicating. If the car cranks and then stalls immediately, that is an immobilizer read failure, not a dead battery. Those two problems look similar on the surface and have completely different fixes. Know which one you have before you buy anything.
Related services: Ignition Repair · Smart Key

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2001 BMW 3 Series Remote Head Key Replacement - Fast, Affordable & Professional

I was already in Coronado when the call came in, parked near the Ferry Landing waterfront finishing up notes from the job before.

A woman called about her 2001 BMW 3 Series. She had the original key but the remote had stopped working entirely, and when she tried to start the car that morning, it cranked and immediately died. She had been trying the key over and over thinking it would catch. It would not.

That stall pattern tells me something specific. When a BMW of this era cranks and cuts out right away, the immobilizer did not complete its handshake with the key's transponder. Could be a weak or dead signal from the key, could be a registration issue, could be something on the vehicle side. I do not assume until I am on the car.

I pulled up within about twenty minutes. She was standing next to the 3 Series in a small lot just off the Ferry Landing, and the first thing I did was check the key itself. The CR2032 was reading almost nothing on my tester. Completely discharged. On an E46, a dead fob battery can degrade the transponder signal enough to cause exactly this kind of stall at startup, even though the car cranks normally.

Swapped the battery, tested the remote functions, then tested the start sequence. Car fired and held idle. Transponder was reading fine once the battery was replaced.

The remote lock and unlock were working again too. Total time from parking to handing her back the key was under fifteen minutes.

She had already looked up what a dealer visit would cost and told me she was expecting to spend most of her morning on it. She did not. She was back to her day before the Ferry Landing foot traffic even picked up.

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Also serving: The Cays · Coronado Shores · Coronado Village · Ferry Landing

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Quick turnaround 2001 BMW 3 Series car key by EZ Car Keyz in Coronado CA
Remote Head Key | Rapid On-Site Service
2001 BMW 3 Series | San Diego
Quick turnaround 2001 BMW 3 Series car key by EZ Car Keyz in Coronado CA
2001 BMW 3 Series Remote Head Key
2001 BMW 3 Series
Remote Head Key | Pro Grade Service
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Service location Coronado
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Same-Day Keys (619) 876-1271

Real BMW Trust, Real Reviews

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R
Rick R.
Apr 2021
★★★★★

“Niv showed up, did his thing, and just like that I had two new keys for a fraction of what the dealership quoted. I have zero reservations recommending him to anyone who needs car keys replaced.”

Google Review
f
frankborja25
Dec 2019
★★★★★

“We had one broken key for our Honda Civic and one working key for our Lexus. Tim came out and cut three remote car keys at a great price. All keys worked perfectly. Professional, courteous, and highly recommended.”

Google Review
I
Incognitomlo88
Jul 2025
★★★★★

“Tim was GREAT. I honestly swear he must have had my keys made before he even showed up. The entire process was insanely fast, from the initial phone call to having the keys in my hand. No one will beat the pricing, efficiency, or outstanding service.”

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Quick response locksmith review for 2001 BMW 3 Series key - EZ Car Keyz Coronado CA
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Quick response locksmith review for 2001 BMW 3 Series key - EZ Car Keyz Coronado CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

BMW 3 Series Mobile Service FAQ

Real costs, no dealer surprises

Are you licensed and insured to work on BMW vehicles?
Yes. EZ Car Keyz is licensed through the California Bureau of Security and Investigative Services, which is the state body that regulates automotive locksmiths. We carry full liability insurance. On a 2001 BMW 3 Series, the key work involves the vehicle's immobilizer system, and you want someone who knows this platform specifically -- not a general locksmith who grabbed a used key off eBay and is guessing at the procedure. We use the right equipment for this generation of BMW, and we do not leave until the key is tested and confirmed working.
How do I know you are not a scam locksmith?
Will the replacement key work exactly like the original?
I bought a replacement fob online for my 2001 BMW 3 Series. Can I program it myself at home?
My 2001 BMW 3 Series starts fine but the remote lock and unlock stopped working. Does the whole key need to be replaced?
Questions? Call (619) 876-1271

BMW 3 Series Key Service Areas

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