Question 1

Are you licensed and insured to work on BMW vehicles in California?

Accepted Answer

Yes. EZ Car Keyz is licensed through the California Bureau of Security and Investigative Services, the state agency that regulates locksmiths. We carry full liability insurance. BMW key work on a 2010 7 Series involves communicating with the immobilizer system and re-enrolling keys, and you want someone properly credentialed and insured handling that on a vehicle at this level. If any tech working on your car can't give you a license number before they touch anything, that's a problem worth paying attention to.

Question 2

How do I know you're not one of those bait-and-switch locksmiths I keep reading about?

Accepted Answer

Three things to check before anyone shows up. Ask for the license number, ask for the company name you can look up, and get a firm price for your specific vehicle before they roll. If the number changes when they arrive, that's the scam in action.

We quote you a firm price for the 2010 BMW 7 Series on the phone. The price you hear is the price you pay. We show up in a marked vehicle, and you get the license number on request without any hesitation. The 7 Series is a common target for bait-and-switch operators because owners assume the job is complicated and expensive, so they're easier to pressure. We don't work that way.

Question 3

Will the replacement key work exactly like my original?

Accepted Answer

It should, yes. We program the replacement to the immobilizer so the car starts, and we test all the remote functions before we leave. On the 2010 7 Series, comfort access behavior, door locking, and the emergency blade fit all get checked on site.

Worth knowing: BMW forums have documented cases where owners had keys programmed by shops using generic or mismatched equipment, and the result was a key that started the car but lost remote functions after a few days, or comfort access that worked intermittently. The issue is usually incomplete enrollment rather than a bad key. We use BMW-compatible diagnostic tooling and verify the full function set before we close the job.

Question 4

My 2010 BMW 7 Series starts fine but the comfort access on the door handles stopped working. Is the key failing?

Accepted Answer

Not necessarily. If the car starts and the remote lock and unlock buttons work at normal range, the key is most likely fine. Comfort access uses a separate antenna network in the door handles to detect the fob when your hand gets close. If that detection fails on one or more doors while everything else works, the issue is typically on the vehicle side, not the key side.

Common culprits owners on forums have tracked down: a door handle antenna that's degraded, a wiring connection that's worked loose, or interference from an aftermarket accessory. Test it by using the button on the fob to lock and unlock normally. If that works consistently but the touch-to-unlock doesn't, the key is doing its job. That's a different diagnosis than a key replacement.

Question 5

I only have one key for my 2010 7 Series. How bad is it if I lose it?

Accepted Answer

Bad enough that I'd make a spare before it happens rather than after. All-keys-lost on this generation means the immobilizer has no enrolled key to reference, and recovery requires professional diagnostic equipment and more time than a standard spare-key job. It's a longer appointment and a more involved process.

Making a spare while you still have a working key is faster, simpler, and costs less than the all-keys-lost version of the same job. A lot of 7 Series owners I talk to in Spring Valley have been running on one key for years because they assume a spare is prohibitively expensive. Call and get the actual number. It's worth knowing before you're standing in a parking lot in Dictionary Hill with nothing in your hand.

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