Overview Reviews Product Description AT83 is an alignment tool that facilitates the installation of an ACT pressure plate by correctly aligning the clutch disc with the pilot bearing. This results in easy alignment with the transmission input shaft. Product Videos Custom Field Product Reviews Write a Review Write a Review × ACT ACT Alignment Tool for 95-99 BMW M3 / 01-03 330ci 330i - AT83 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *