Problems
For a thorough overview, see Charles Scobie, “The Structure of Biblical Theology”, Tyndale Bulletin 42.2 (1991), 163-194.
See also this helpful article by Elmer Martens (one of the editors of The Flowering of Old Testament Theology, book on reserve):
“The Flowering and Floundering of Old Testament Theology”, Direction 26/2 (1997), 61-79.
Mark G. Brett, “Biblical Studies and Theology: Negotiating the Intersections”, Biblical Interpretation, Volume 6, Issue 2, 1998 pages 131 – 141.