2015 BMW 4 Series
Key Replacement - Save vs Dealer in San Diego
All Keys Lost? | No Problem

Whether you lost your only key, it was stolen, or it just stopped working, we handle it. No existing key needed. Our technicians program new keys directly to your vehicle's computer.

Lost your key? Save 10% today
2015 BMW 4 Series
Key Options
Dealer-grade key for a fair, honest price
All BMW 4 Series Keys Lost? Compare Options
Lost all your keys? Compare your options
2015 BMW 4 Series Smart Key Replacement - Fast, Affordable & Professional
Downtown Ramona, a Tuesday afternoon outside the optometrist on Main Street. A woman had both her kids with her, a follow-up appointment done, and a 4 Series that needed a replacement smart key. She had already called the dealer that morning. They gave her a slot the following Monday.
That was five days away. She had school pickups, errands, and no second vehicle. Monday was not an option.
She found me while standing in the parking lot still on the phone, looked up mobile locksmith, and I was already in the area.
I pulled into the lot and got to work. The 4-button proximity fob she needed is one I carry. I connected my diagnostic equipment, accessed the vehicle's electronic module through the OBD port, ran the add-a-key sequence, and got the new fob enrolled. While that process ran its timed steps, I cut the emergency blade so it matched the door lock. Then I walked the whole thing: door handles, start button, trunk release, lock and unlock from distance. Everything live, everything confirmed, before I packed up.
She was in the car and calling her sister by the time I wrote the invoice. She mentioned the dealer quote, which included a tow because they said the car had to be there. I kept it simple and just said she saved a good chunk.
Tuesday call, Tuesday fix. Kids got picked up on time.
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
BMW Owners Rescued and Reviewed
From lost keys to happy customers
“Marco helped me with bmw 3 series fem job he was fast and knew exactly what to do to make the key and fast. Thanks for the good service”
“I called Marco with Ez Car Keyz San Diego for a BMW smart key for replacement, he offered me a great deal showed up on time and charged the same price he quoted. Very friendly and professional service. Highly recommended.”
“Answered promptly, Showed up on time and made key for my fusion 2012. Excellent service highly recommended”
BMW 4 Series Key Service Areas
Emergency coverage across the region

Emergency service available in all listed cities






