Trim fat from tenderloin; cut tenderloin into 1/2-inch-thick slices. Combine flour and salt in a heavy-duty, zip-top plastic bag. Seal bag; shake well. Add tenderloin. Seal bag; shake until well coated.
Melt margarine in a nonstick skillet over medium heat. Add tenderloin; cook until browned, turning once. Remove from skillet. Add wine, bouillon granules, and pepper to skillet; bring to a boil. Reduce heat, and simmer, uncovered, 2 minutes. Return tenderloin to skillet; cover and simmer 2 minutes or until sauce is thickened. Serve over pasta.