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I would love to help but I believe the only way to find out which mod is causing the problem is by installing them one by one and see at which point it breaks the ELS Rotators (DROT). Normally this problem is caused by installing the car model on another slot than POLICE, POLICE2, FIRETRUK or AMBULANCE (EFLC: POLICE3, POLICEB)
 
You installed everything correctly as what I can see from the logs.
 
Modded GTA V is way more stable than IV (unless you play vanilla GTA IV with lcpdfr) and since it has a more active
community, it is also easier to get help but still love to play LCPDFR even though the game gives me headaches sometims. 

Thank you for your willingness to help me.
But I know that I will not return to GTA IV so soon, because I have an awful lot of mods there and I don't want to deal with it now.
Like you said it's headache.
It is a pity that they did not combine these 2nd games into one.
I wouldn't have to install a better handling mod on cars in GTA V and similar things that GTA IV picked up.
I miss more reality things in vanilla GTA V.