Strengthen Your BMW’s Differential with Our Reinforced Billet Steel Cap Elevate the durability and reliability of your BMW’s ZF Limited Slip Differential, commonly found in models like the E30, E36, E34, and Z3. Our Reinforced Billet Steel Cap is engineered to withstand increased loads and power, ensuring your differential stands up to the toughest conditions without failure. Why Upgrade to Our Reinforced Cap? Enhanced Durability: Made from the highest quality tool steel, hardened and nitrated, our cap offers unmatched resistance and longevity. It’s specifically designed to prevent the common differential cap breakage associated with aggressive ramp angles like 30°/30° or 30°/60°. Lifetime Warranty: We stand behind our product with a lifetime warranty, giving you peace of mind that this is a one-time investment towards the perpetual robustness of your differential setup. Optimized for Racing: Whether you're into drifting, circuit racing, or any high-stress automotive sport, this cap is a must-have upgrade that ensures your differential can handle the extreme demands of competitive driving. Product Features: Compatibility: Perfectly fits LSD units. In case of 188mm differential it is designed to work with a 4 clutch pack configuration. Please note it requires minimum 3 clutch packs. Reinforced Bolts Included: Comes with specially designed bolts that avoid the internal stripping issues seen in original components. Installation Note: This cap is an essential upgrade for anyone pushing their BMW to its limits on the track. Installation is straightforward, and reinforced bolts are included for a secure fit. Ideal for: BMW E30, E36, E34, and Z3 owners looking to fortify their vehicle’s differential against the rigors of racing and intense driving scenarios. Enhance the structural integrity of your BMW’s differential with our Reinforced Billet Steel Cap and drive with confidence, knowing that your vehicle is equipped to perform under pressure.