The dipstick of my C70 is P/N: 30777500.
Things are getting trickier here:
First of all, I need to make clear which engines we will talk about so there's no confusion:
B5254T3 and B5254T7 are the original P1 "T5" engines.
B5254T5 is the "T5" engine that first came on P3 vehicles until MY2012. Which AFAIK, is practically the same (minor differences) as the T3/T7 + a Polestar tune. That's why it has 250HP from factory.
B5254T12 is the engine that replaced the B5254T5 on the "T5" trim from MY2013 and newer. We already mentioned this one has even more differences than the T5 (engine) when compared to the original P1 platform engines.
With that being said:
Oil pans are different between T3/T7, T5 and T12:
- T3 and T7 oil pan is P/N: 30777739
- T5 has two models:
- Without oil level sensor, P/N: 31375244
- With oil level sensor, P/N: 31316362
- T12 oil pan is P/N: 31375244 (T12 exclusive)
P3 have two dipsticks depending on the year (most likely due to the engine):
- Until 2012 is same as P1 T5 engines (P/N: 30777500)
- From 2013 and newer is P/N: 31330383 (uses tube P/N: 31330382). This is for B5254T12, B5254T14 and B5204Tx engines(last two not sold in the U.S.), according to VIDA.
From what I can make of all of this, it seems that you most likely have a T12 oil pan with a T3/T5/T7 dipstick. Until we don't get a confirmation of the difference between the oil dipsticks of T3/T5/T7 and T12 engines, you cannot trust that one you have. My advice is to first find which oil pan P/N you have, find a T12 dipstick with the tube and compare them.
