Thread: Castrol TWS
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      10-08-2012, 03:01 PM   #31
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Drives: '16 Cayman GT4
Join Date: Mar 2011
Location: Austin, TX

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Can someone explain why Castrol TWS is sold in liters rather than quarts despite the fact that everyone else seems to sell oil in quarts and that's how a car's oil capacity is typically listed, at least here in the US (and the M3 says "Add 1 quart" when it's low)? Given that a liter is more than a quart, I'm guessing that this is a common cause of all of the overfill stories on here: Tech sees the M3's capacity listed as 9.3 quarts, empties 9.3 bottles of this stuff in there (for 9.3 LITERS), and has thus put 9.8 QUARTS into the system, or half a quart too much.
'16 Cayman GT4 (delivery pics, comparison to E92 M3 write-up)

Gone but not forgotten:
'11.75 M3 E92 Le Mans | Black Nov w/ Alum | 6MT (owned 5/2011 - 11/2015)