996 C4S Cluster install

[danch]

Originally Posted by ChrisZang

I don't think that's correct. I swapped a C4 cluster into my 2002 986 and had the "gas tank problem" (everything else worked fine):
C4 has a 20 gallon tank, 986 has a 16 gallon tank and the C4 cluster still thinks it has a 20 gallon tank ....
In order ti get this fixed you need a PIWIS and your immobilizer code

What I've found :

2003 996 C4S
Fuel Tank Capacity
64 Litres
14.1 UK Gal
16.9 US Gal

2003 986 S Boxster
fuel tank capacity :
64 litres
14.1 UK****Gal
16.9 US****Gal

So no difference, checked a few different sites.

Regards

Dan