LSD Rear Differential 2.93 Ratio Limited Slip BMW 528e E28 E30 E34 E23 OEM S2.93. This product data sheet is originally written in English. LSD Rear Differential 2.93 Ratio Limited Slip Axle Carrier. DONOR VEHICLE : 1985 BMW 528e With An Automatic Transmission. THE ABOVE PART IS. All payments must be. We only take cash on local pickups. Ask us for a quote if you reside in HI or PR. Detailed feedback is also crucial and if you have any concerns just let us know. Everything we sell is guaranteed for 30 days. Declared values of each package are according to the actual value of that package.