DIY · Source review1988 E28 M51988 BMW E28 M5 paint correction and Opti-CoatSniz restored the finish of a resprayed Jet Black E28 M5 with three polishing stages, followed by cleaning and Opti-Coat. The final coating photographs show the freshly applied finish while it was still curing.BMW1988 E28 M5Topics in the accountPaint correctionbimmerpost · Sniz