Bladed / flip key
BMW 3 Series keys have an emergency blade inside a remote fob; the E90 key slots into the dash.
BMW 3 Series keys, 2005–present.
Covering E90 (2005–2012), F30 (2012–2019), G20 (2019–present). Send your registration and we'll confirm the exact key and method before we arrive.
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Let’s talk keys
BMW 3 Series key quote.
Send your details and we’ll get back to you about your keys. For anything urgent, call us.
- Speak directly about your vehicle
- The right option for your key
- Understand the work before deciding
Checklist
What to have ready.
- Your registration number
- Photo ID matching the V5C (logbook)
- Any remaining keys, even broken ones
- Exact location and parking access
Model faults
Common BMW 3 Series key faults.
- E90 key not recognised in slot. The CAS module may not read the key, so the car won't start.
- Comfort Access failure. A weak key battery or damaged key stops keyless entry.
- All keys lost. Key data has to be taken from the car's module.
Key types
Bladed or keyless: which BMW 3 Series key?
Keyless push-start
Comfort Access proximity keys are common on F30 and G20.
Our expertise
BMW 3 Series key services.
01
Lost Car Key Replacement
Every key lost? We cut and programme a new one at your car — no tow, no dealer.
Explore service02
Spare Car Keys
A spare key cut and programmed at your car, before you ever need it.
Explore service03
Car Key Programming
Transponders, remotes and smart keys coded to your car on site.
Explore service04
Broken Car Keys
Snapped blades extracted, broken cases and dead buttons fixed — same visit.
Explore serviceTechnical notes
BMW 3 Series system notes.
- E90 uses the CAS3 module with ID46-type keys
- F30 uses the FEM/BDC module
- Bench reading of the module is sometimes required
Systems vary by year and trim. We confirm the exact transponder and method from your registration.
FAQs
BMW 3 Series key questions
Can you make a BMW 3 Series key with none left?
Usually, depending on the generation. We confirm the method from your registration before quoting.
Is my BMW 3 Series bladed or keyless?
BMW 3 Series keys have an emergency blade inside a remote fob; the E90 key slots into the dash. Comfort Access proximity keys are common on F30 and G20.
Will a BMW 3 Series key from online work?
Sometimes, but many are the wrong chip or frequency. We check compatibility before we cut or code anything.
How much is a BMW 3 Series key?
It depends on the key type and year. We quote on the call — no surprises at the vehicle.