Or do a search here under "motor snot"
Yes, the 112/113's are all famous for this in cold weather. If you remove the engine cover, you'll see that the oil cap attaches to a plastic extension piece, which in turn attaches to the metal valve cover. The plastic extension and cap are a bit cooler than the surrounding metal parts and is a colder spot for the condensate to collect than the hotter metal parts.
A long drive will eventually get rid of it, and also the return of higher ambient temps. I wouldn't worry about it in the least or change your oil changing habits.
Gilly
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