I'm honored, I'm making the first tab for a Tankard-song for this site!
Let's get started...

Intro:
Part 1:
--------------------------------------------------|
--------------------------------------------------|
-------------------7-8~-------------------7-8~--|
-0~~-00-3-00-2-0~~------0~~-00-3-00-2-0~~---------|

Part 2:
------------------|
------------------|
---2-3----2-3-2-0-|
-0------0---------|

Main Riff:
-------------------------|
-------------------------| (this is played slowly, just listen to the song)
---2-3-2-----0-2-3-2-0---|
-0---------0-----------3-|

Verse 1:
----------------------------------|
------------------------------2---|
--------------------------4-2---3-|
-0-000-000-000-000-000-00---------|

Verse 2:
-----------------------------------|
------------------------------2(~)-| ((~)when it's right before the chorus)
--------------------------4-2------|
-0-000-000-000-000-000-00----------|

Pre-chorus:
----------------------------------------------------|
----------------------------------------------------|
----------------------------------------------------|
-7-777-3-333-5-555-1-111--7-777-3-333-1-1-1-1-1-1-1-|

Chorus: the same as main riff

Solo:
Part 1:
-----------------------|
-----------------------|
-7--2-3-2---7--2-3-2-0-|
-----------------------|

Part 2:
--------------------------------------|
--------------------------------------|
-777-222-333-222--777-222-333-222-000-|
--------------------------------------|

Last Chorus:
----------------------------------------------|
----------------------------------------------|
-----222-333-222------000-222-333-222-000-----|
-000--------------000---------------------333-|

End:
-----------------------------------------|
-----------------------------------------|
-8~-7-8-10~------------------------------|
------------3--2--000000000000000...0~-0-|

Structure of the song: (every part played once unless different indication)
Intro part 1
Intro part 2(X2)
Main Riff (X4)
Verse 1
Verse 2
Verse 1
Verse 2
Verse 1
Verse 2
Pre-chorus
Verse 1
Verse 2
Chorus (X6)
Verse 1
Verse 2
Verse 1
Verse 2
Verse 1
Verse 2
Pre-chorus
Verse 1
Verse 2
Chorus (X6)
Solo part 1 (X4)
Solo part 2 (X4)
Chorus (X4)
Verse 1
Verse 2
Verse 1
Verse 2
Chorus (X4)
Last Chorus (X4)
End.

There... The structure might look kinda strange, but it's really not as hard as it 
Try it!