BMW M3 E36-3.2l/ M3 E46/ M3 E92 shorter Rear Diff. ratio 3,91 also 3.85 4.10
BMW M3 E36-3.2l/ M3 E46/ M3 E92. Genuine BMW Motorsport shorter ratio. If you want reliability, strength and performance and a competitive edge then this is a must have for any hard-core enthusiast or competitors.