i'm having trouble with the locking barrel on my 1989 E30 baur.
i recently bought a replacement set from ebay as i lost the key for mine.
when i opened the package i noticed the spring on the end of the drivers side was broken, i've swapped it with the spring off the original.
after i fitted it, it will unlock the car fine but won't lock, it seems as though the arm on the barrel doesn't push down enough. im not sure if it's the barrel or the arm on the lock barrel or the lock catch itself.
i can lock the car fine from inside.
Is the spring correct on this? should it do that?

or it could potentially be this arm on the lock catch has too much play in it?

the passenger side works fine.
Any advice would be great
Thank you



