Boxster with random misfire.

[frovik]

Hey there I'm having problem with my boxster -97.
When it get hot i have rough idle and CEL lights up, when reading codes i got.

Current Fault Log
------------------
P0300: Random/Multiple Cylinder Misfire Detected
P0301: Cylinder 1 Misfire Detected
P0302: Cylinder 2 Misfire Detected
P0303: Cylinder 3 Misfire Detected

I have change sparks and coils, oil with filter, but same come back.
When i drive with "Torque" and my android i got these long time fuel also.
LTFT2 4,7%
LTFT1 8,6% This is bad side

Anyone got idea??
Winter in Sweden so i have time to fix it.

[very~worn~944]

This misfire is not random... It's all of bank 1. Check the camshaft deviations, my bet is on camshaft timing/adjustment for the passenger side