It is most likely running a tad rich due to the hot weather. My '79 SC started doing the exact same thing when the weather got hot. I gave the mixture screw about 1/8 of a turn per others advice and the problem immediately went away!
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne
0% Liberal
Men do not quit playing because they get old.... They get old because they quit playing.
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