Power adders, cams and higher RPM change how a BMW M50 or M52 crankshaft vibrates, and the stock elastomer damper was only tuned for the engine as delivered. This Fluidampr viscous damper controls torsional vibration across the entire RPM range, so it keeps protecting the crank however the build evolves.

Fluidampr 843311 Harmonic Balancer Features:

• Fits 1991-2000 BMW M50, S50, M52 and S52 inline-6 engines with a 60-2 tone wheel, including the E36 3 Series and M3, E34 and E39 5 Series and Z3
• Integrated 60-2 tooth tone wheel
• 9.250 in. outside diameter, 3.370 in. depth, 1.260 in. bore
• Serpentine pulley with 6 rear and 4 front grooves
• Single keyway
• Internally balanced
• Steel damper with aluminum pulley
• Black zinc damper with black anodized pulley
• 10.8 lbs total weight, 7.1 lbs rotating weight
• Viscous silicone design controls torsional vibration across the entire RPM range
• Helps reduce wear on critical engine parts and the risk of crankshaft failure
• Can free up torque and horsepower lost to crankshaft vibration
• Precision CNC-machined and balanced components
• No maintenance required
• SFI 18.1 certified