'05 BEW wagon, torsion set at 3.9, new starter, harness checked out fine (delivering 6.6V), plugs all in the 1.0-1.2ohm range, good battery, new liftpump, lots of fuel etc etc.
Car would have a really hard time starting up in the cold. Glowplugs would stay on for about 5-6 seconds, I'd...