2019 BMW 4 Series
Key Replacement - Save vs Dealer in San Diego
Fair Prices | No Hidden Fees
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.
Fair price, pro key, your door
2019 BMW 4 Series
Key Options
Dealer-grade key for a fair, honest price
Compare the Cost of a BMW 4 Series Key
See the price difference before you call
2019 BMW 4 Series Smart Key Replacement - Fast, Affordable & Professional
BMW's immobilizer is more involved than most brands. Your 2019 BMW 4 Series has a security module, either a CAS, FEM, or BDC depending on the year, that communicates with the transponder chip in your key every time you start the car. The module sends an encrypted challenge, the chip responds with a calculated answer, and if the math checks out, the engine fires. That security layer is why a blank key from the internet won't work even if the blade fits perfectly.
A customer at Trader Joe's near Bay Marina Nc thought only the dealer could handle that encryption. Her dealer quoted $674 for a spare on her 2019 BMW 4 Series and she assumed that was her only option because of the "computer stuff" involved. Her neighbor had used me before and passed along my number.
I brought my Smart Pro to her car and walked through the CAS module security sequence. Her 4 Series uses a CAS3 slot key, FCC ID NBGIDGNG1, with 4 buttons. The encryption the dealer charges a premium for is a security handshake my tool performs identically.
Her spare was cut, programmed, and tested in about 35 minutes. Total was around $376. The technology inside the key is real, but the dealer markup on programming through that technology isn't justified when a mobile locksmith carries the same diagnostic tools.
Save vs the Dealer on Your BMW 4 Series Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
BMW 4 Series Rapid Response, Done Right
Rapid response in the field
Five Stars for Fair BMW Prices
What honest rates sound like in reviews
“This is the only locksmith anyone should ever call. I am still shocked at how fast he arrived and the price was hundreds less than other quotes I received. Honest, professional, and extremely efficient.”
“Locked out on a weekend night and everyone else wanted $300+. EZ Car Keyz sent Roman late at night for much less. He worked for over an hour and did not give up until the door opened. They even made a new key on the spot.”
“I had two Subaru key fobs made and Marco provided excellent service. He stayed persistent through multiple part orders to make sure everything was correct. Very thorough, punctual, and great communication throughout.”
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BMW 4 Series Key Service Areas
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