Wd 40 is for light duty lubrication and freeing up sticking or partially rusted hinges and a car door latch.
Bmw door lock grease.
However i had seen some advice about using some sort of sticky spray would lithium grease work that could work.
I use wd40 here to remove water then clean then triflo to lube.
First clean the keyhole with a penetrating lubricant like wd 40.
Graphite lubricant is the choice for locks because it doesn t attract dust and dirt which can damage the locking mechanism.
White lithium grease offers the ideal lubrication for car door hinges and you ll certainly be pleased with its enduring results.
Fixing a few stubborn locks might involve disassembling cleaning and then reassembling the lock.
Many people put up with the aggravation of a sticking door lock for years.
When door is locked and lock is frozen hold the door handle up about 3 4 seconds not 30.
The door lock heater is explained in your owners manual.
Why door lock failure occurs in a bmw 26 mar 18.
Forcing open a stuck door latch from an internal failure on a bmw with it stuck in double lock.
The modern conveniences of vehicles are often lost upon drivers today.
Remember it wasn t that long ago that we were stuck manually rolling up windows turning a key to start the car and scanning the radio hoping to find a tolerable song to listen to on the radio while we were stuck in rush hour traffic.
The door catch needs to be dried then cleaned and lubed as well.
It will heat for maybe 30sec then shut off.
Squirt a small amount of the graphite lubricant into the car door locks and trunk locks to ensure they keep working smoothly.
Ironically by cleaning and oiling them you can fix most locks in a matter of minutes.
White lithium grease is good for metal to metal joints like hinge and latch mechanisms which need a clinging grease to repel water and hold up under harsh conditions.
How to use the lubricants on car locks and hinges.