5 reasons Why Rebuilding Your BMW Limited Slip Differential is a Smarter Choice Than Buying New

March 27, 2023 3 min read

Rebuilding old BMW E30 LSD with racingdiffs clutch plates

Are you considering upgrading your BMW's limited slip differential (LSD) for better performance on the track or the street? You may be tempted to buy a new one from well-known brands like Blackline, Drexler, Mfactory, or Quaife. However, before you make a decision, it's important to consider the benefits of rebuilding your existing LSD with high-quality components from a trusted brand like RacingDiffs. In this blog post, we'll explore the reasons why rebuilding your BMW limited slip differential is a smarter choice than buying new.

  1. Cost-Effective Solution

Rebuilding your BMW LSD can be a more cost-effective solution compared to purchasing a new one. Clutch plates, an essential component of LSDs, are designed to be changed periodically to keep the differential fully functional and prevent further damage. Even brand-new units will eventually require clutch plate replacements. Instead of investing in a new differential, you can replace the clutch plates in your existing unit, saving you money in the long run.

Furthermore, RacingDiffs offers upgrade packs with an increased number of clutch plates, which can match or even surpass the performance of aftermarket units from other brands.

  1. Customizable Performance

When you rebuild your BMW LSD, you have the opportunity to tailor the performance to your specific needs. Whether you're after a BMW E30 best LSD setup or looking to upgrade your BMW E36 LSD, rebuilding allows you to choose the exact components that will meet your requirements. With options like BMW E30/E36 LSD clutch plates in different thicknesses, Belleville washers, different ramp angle setups, you can create the perfect differential for your driving style and performance goals precisely adjusting preload and dynamic lockup.

  1. Preserve Original Components

By choosing to rebuild your BMW LSD, you can preserve your vehicle's original components, maintaining its authenticity and value. For classic models like the BMW E30 and E36, which have gained a strong following among enthusiasts, keeping original parts is essential for maintaining their character and appeal.

  1. Environmentally Friendly

Rebuilding your BMW limited slip differential is an eco-friendlier option compared to buying new. By reusing and refurbishing existing components, you help reduce waste and the demand for new resources. This contributes to a more sustainable approach to vehicle maintenance and performance upgrades.

  1. Comprehensive Service and Support

RacingDiffs provides excellent service and support for all your LSD needs. Our wide range of products includes BMW LSD clutch plates, BMW LSD rebuild kits, other BMW LSD differential parts such as pressure plates, billet caps, Billet rear covers etc. We also offer BMW typ188 LSD components and comprehensive BMW LSD rebuild kits for various models. With us, you can be confident that you are getting the best quality parts and expert advice for your differential rebuild.

Rebuilding BMW E30 Limited slip differential (LSD) with RacingDiffs parts


Rebuilding your BMW limited slip differential offers several benefits over buying a new one, including cost savings, customizable performance, preservation of original components, and an environmentally friendly approach. By regularly replacing clutch plates in your existing unit and opting for RacingDiffs' upgrade packs with increased clutch plate count, you can match or even surpass the performance of aftermarket units.

Choosing RacingDiffs for your LSD components and services ensures you're getting top-quality parts and expert support to help you achieve the best possible performance. So, before you invest in a new differential, consider rebuilding your current LSD with high-quality parts from RacingDiffs. It's a smarter choice that delivers performance enhancements, preserves the authenticity of your vehicle, and provides a more sustainable option for your BMW.

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