You should be able to if you have Comfort Access. I’ve done it in my E90. It’ll give you a warning on iDrive the key is missing. You should be able to if you have Comfort Access.
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Will car lock if engine is on?
Yes but if the keys are in the ignition it should pop them back into unlocked. Most new cars have this feature now to prevent lockouts. Whether or not the car is running, if the keys are in the ignition the car should not lock when pressing in the door pin.
How do I lock my BMW door from the outside?

Does BMW have walk away lock?

Can you leave a keyless car running?
In many models, you can turn the engine off with the transmission in any position, and in all keyless vehicles you can take the fob with you, leave the motor running, and it will not turn off, just because the key fob is out of range โ contrary to what many believe.
How do you lock a keyless BMW?

What is run lock?
Run Lock allows secure, unattended engine operation whilst preventing the vehicle from being driven. Once activated, the ignition key can be removed, and the engine stays running. If the handbrake is released, or the footbrake is used, the engine stops. The key must then be used to restart the vehicle.
Do keyless cars lock automatically?
With some keyless technology, you don’t have to worry about that as the car will automatically lock itself once the fob is out of reach. This handy feature eliminates the chance of ever accidentally leaving your car unlocked and unattended.
Why does my car lock with the key in the ignition?
If your key is stuck in the ignition and you find that your car’s steering wheel is also locked in place, it is possible that you have inserted the wrong key. Locking the steering wheel is a safety feature on most vehicles that is present in case the incorrect key is inserted.
Can you lock BMW without keys?
The lock button on the driver’s door cannot be pushed down while the door is open, but you can lock the other doors without the key.
How do you lock a door without a key fob?

Why is my BMW not locking?
Sometimes, failure of the doors to lock stems from an issue with your key fob. These fobs use batteries as their source of power, and these batteries can run down. The solution may be as simple as changing the fob’s batteries. If the issue is not with your fob, a blown fuse may be to blame.
Does BMW lock automatically when parked?

What is BMW comfort entry?
BMW has a comfort access system that allows you to open the car door and start the engine without having to touch the key. All you have to do is have the key somewhere on you (or near you.) The unique sensors in it are connected to the sensors in the car’s computer system, so only your car key will be recognized.
Do BMWs lock themselves after a while?
BMW doesn’t have a “walk away lock” / automatic locking while parked feature. It sounds like that’s what OP interpreted this feature is. The BMW auto lock feature is only after you start driving and hit a certain speed, and is on all BMWs, .
How do you lock your car while it’s running?

Can I leave my car running while I run into the store?
States where it’s illegal to idle your car. States with anti-idling laws include: Arizona. California.
Can I leave my car running and take my key fob?
It will not shut off at all, and anyone can drive away with it. They can continue to drive without a key until they run out of gas or the car is shut off. Of course once they shut off the car they will not be able to start again without the key. There is no immobilizer.
How do I lock my BMW without a key fob?
Get in passenger seat, shut door. Press central locking button to lock yourself in car. Double pull passenger door handle to open door so you can let yourself out. With the door open, manually press the little lock down on the door.
How do you lock a BMW door?

Can I remotely unlock my BMW?
My BMW App You can also lock, unlock, and locate your vehicle using Remote Services. Navigate with ease.
What is run lock Linux?
/run/lock (formerly /var/lock ) contains lock files, i.e. files indicating that a shared device or other system resource is in use and containing the identity of the process (PID) using it; this allows other processes to properly coordinate access to the shared device.
How do I keep my engine running without the key?
A Run Lock keeps the engine running while the key is removed from the ignition, enabling a useful power supply for beacons, lights, radios, fridges, safety equipment computers and tail lifts without the battery going flat.
Which keyless cars are most stolen?
Any car with keyless entry is at a threat to relay crime. Popular models found to such as a Ford Fiesta, Volkswagen Golf, Nissan Qashqai and Ford Focus are all at risk.
Does a keyless car lock when you walk away?
When you walk away from the vehicle while carrying the remote transmitter, the doors can automatically lock if the following conditions are met: โข The remote transmitter is within a range of 8 feet (2.5 m). All doors and the hood are closed.