Passat 1.9 AVB hot start problem !

Hello guys ! I have a problem and i decided to try my luck here. Volkswagen Passat B5.5 variant, diesel, 1.9 TDI PD AVB, automatically shuts off when hot after one second. Problems occurs when the car temperature is at 90 degrees ( hot ) ( as seen in the video ). When cold, the engine starts perfect. You can see a video with the problem here:

https://www.youtube.com/watch?v=Mkb5KoZ0Ojc&feature=youtu.be

Temporary solutions - When the car is hot and won't start normally, keeping the key pushed in final position and cranking the engine more ( for 3 seconds, even if it started ) will make it start.

What I have tried:

1. Both keys, problem still occurs

2. Oil and filters change, problem still occurs

3. Thermostat chang...