The Pitot tube model chosen by Oleg Maddox (...IMHO mistakenly, with due respect, for a Bf 110 C but I unfortunately don't have any "factory" proof, only a lot of photographic evidences...) is this one, straight and slimmer, fitted under the leading edge of the port wing, as seen on 3C+GS of 8./NJG 4:
According to John Vasco, about the Bf 110 E: "...during the production run, the pitot tube was changed from the original 'L' shape to a longer slimmer mast that protruded forward of the wing leading edge..."