b5 differences thought the years?

69 and 70 B5 is paint code 2019

71, 72, and 73 B5 is paint code 2306. This is a slightly darker blue than the 69 and 70 code.

74 and 75 B5 is paint code 2627, and the name was changed to Lucerne Blue Poly. My color diferentiation and eyesight aren't trustworthy enough to tell how much of a change there was from the original or second series color. :)

From what I've heard, the newer paint formulas are slightly off compared to the originals. I haven't personally had a chance to see and compare the old vs the new formulas.

danmc77, one of the reasons B5 has been so popular is that it never seems to be the same shade, and the slightest change in lighting conditions changes the hue and metalic orientation slightly, tricking the eyes into seeing a different shade.