BMW 4 Series Key Replacement
Lost, broken or spare BMW 4 Series key? We cut and program 4 Series keys and fobs on-site for all model years from 2014 to present — fast and affordable.
Call (909) 455-3660Whether you drive a brand-new BMW 4 Series or an older one, Don's Locksmith can replace or duplicate your key at your location. The right key for your 4 Series depends on its model year — here's how BMW 4 Series keys have evolved.
BMW 4 Series Key Types by Year
| Model Years | Typical Key Type |
|---|---|
| 4 Series 2014–2018 | Proximity smart key — commonly a proximity smart key with push-button start on many trims, alongside transponder keys on base models. Programming uses the vehicle’s security system. |
| 4 Series 2019–present | Proximity smart key / push-to-start — usually a proximity smart key with push-button start, and on some vehicles phone-as-key features. A replacement must be programmed to the car’s encrypted security system. |
Key technology varies by trim and region; call us with your exact year and VIN and we'll confirm the right key for your BMW 4 Series.
How We Replace Your 4 Series Key
- 1Confirm your vehicleWe verify your BMW 4 Series year and VIN to bring the correct key and tools.
- 2Verify ownershipProof of ownership and ID protect you and your vehicle.
- 3Cut & program on-siteWe cut the key and program it to your car’s security system.
- 4Test everythingStart, locks and remote functions are confirmed before we leave.
BMW 4 Series Key FAQs
It depends on the year and key type — a basic transponder key costs less than a proximity smart key. We quote the exact price for your BMW 4 Series before any work begins.
Yes. We handle all-keys-lost situations for the BMW 4 Series, originating and programming a new key on-site without a tow to the dealer.
We do. Our mobile units cut and program BMW 4 Series keys at your home, work or roadside anywhere in our Southern California service area.
Yes — the replacement will operate the remote and start functions your 4 Series’s key supports for that year, once we program it to your vehicle.
Other BMW Models
BMW 4 Series Key Service Near You
BMW 4 Series Key — Call Now
Mobile service to your vehicle with upfront pricing, 24/7.
Licensed, Bonded & Insured · CA LCO 8144 · Open 24/7