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RD4005 RACINGDIFFS Lsd Clutch Plate Slip Differential Kit E30

fits model: E30. make: Bmw.

RD4005 RACINGDIFFS Lsd Clutch Plate Slip Differential Kit E30
More Information
BrandRACINGDIFFS
Manufacturer Part NumberRD4005
TypeDIFFERENTIAL HARDWARE
Warranty1 YEAR
Oe/oem Part Number33141203806 33-14-12-03-806 33 14 12 03 806, 33.14.12.03.806, 33141203803 33-14-12-03-803 33 14 12 03 803, 33.14.12.03.803, 33141203804 33-14-12-03-804 33 14 12 03 804, 33.14.12.03.804, 33141203805 33-14-12-03-805 33 14 12 03 805, 33.14.12.03.805, 33141204153 33-14-12-04-153 33 14 12 04 153, 33.14.12.04.153
Fitment TypeDIRECT REPLACEMENT
Surface FinishMOLYBDENUM CERAMICS
Differential TypeLIMITED-SLIP
Placement On VehicleREAR

Review RACINGDIFFS Bmw 168mm Lsd Stage Upgrade Clutch Plate Kit Limited Slip Differential for BMW E30

Racing Diffs RD4005 BMW E30 168mm LSD Clutch Plate Kit - Slip Differential

The Racing Diffs RD4005 Clutch Plate Kit is a high-performance upgrade designed specifically for BMW E30 models. This kit includes all the necessary components to install a slip differential, which is an essential modification for those seeking improved traction, power handling, and driving enjoyment.

The heart of this kit is the 168mm Limited-Slip Differential (LSD). The Racing Diffs LSD is a robust and reliable design that utilizes a Helical gearset. Compared to traditional Spiral-Bevel gearsets, Helical gears offer smoother engagement, reduced noise, and increased durability. This LSD also features adjustable preload clutches, allowing users to fine-tune the differential's behavior to their specific driving style and preferences.

The Clutch Plate Kit includes a lightweight and durable clutch plate made from high-quality steel. The clutch plate ensures proper engagement between the engine and the differential, while also being designed to handle the increased power and torque that comes with a slip differential.

Additionally, this kit includes the necessary hardware for installing the LSD in your BMW E30. The hardware includes new bolts and seals to ensure a secure and leak-free installation. The kit also includes an alignment tool to help accurately set up the differential angles for optimal performance.

The Racing Diffs RD4005 Clutch Plate Kit is an excellent choice for BMW E30 owners looking to enhance their vehicle's driving dynamics and take their performance to the next level. This kit is a direct replacement for the stock differential, making for a straightforward installation process.

In summary, the Racing Diffs RD4005 BMW E30 168mm LSD Clutch Plate Kit is a high-quality, performance-focused upgrade that includes everything needed to install a slip differential in your BMW E30. With its robust design, adjustable preload clutches, and included hardware, this kit offers improved traction, power handling, and driving enjoyment.

Pros and Cons of Buying a RacingDiffs RD4005 BMW E30 168mm LSD Clutch Plate Kit Slip Differential

Introduction:

The RacingDiffs RD4005 BMW E30 168mm LSD Clutch Plate Kit Slip Differential is a popular aftermarket upgrade for BMW E30 models. This kit includes a limited-slip differential, clutch plate, and other necessary components. In this analysis, we will examine the potential benefits and drawbacks of investing in this product.

Pros:

1. Improved Traction: A limited-slip differential (LSD) distributes engine torque more evenly between the wheels, reducing wheelspin and improving traction. This can lead to better acceleration, increased stability, and enhanced overall driving performance.

2. Durability: RacingDiffs is a reputable manufacturer known for producing high-quality differentials. The RD4005 kit is designed to withstand the demands of high-performance driving, making it a long-lasting investment.

3. Customizability: This kit offers the flexibility to tailor the differential setup to your specific driving needs. Users can choose between various clutch plate options to fine-tune the differential's behavior.

4. OEM-Compatibility: The RacingDiffs RD4005 kit is designed to be a direct replacement for the stock BMW E30 differential. This means an easier installation process and no need for extensive modifications.

Cons:

1. Cost: The RacingDiffs RD4005 BMW E30 168mm LSD Clutch Plate Kit Slip Differential is a premium product, and the cost reflects its high-performance capabilities. This may not be an ideal option for those on a tight budget.

2. Complex Installation: While the OEM-compatibility simplifies the installation process, the procedure itself can be complex and time-consuming. It requires a significant amount of mechanical knowledge and experience.

3. Potential Noise: Some users have reported increased noise levels after installing the RacingDiffs differential. This can be due to the clutch pack's design and the nature of a LSD system.

Conclusion:

In conclusion, the RacingDiffs RD4005 BMW E30 168mm LSD Clutch Plate Kit Slip Differential offers several advantages, such as improved traction, durability, customizability, and OEM-compatibility. However, it also comes with drawbacks, including a high cost, complex installation, and potential noise.

Recommendation:

For BMW E30 owners seeking significant improvements in driving performance and traction, the RacingDiffs RD4005 LSD Clutch Plate Kit is a worthwhile investment. However, it is essential to weigh the benefits against the drawbacks and ensure you have the necessary mechanical knowledge and experience to install the product. If you are unsure about the installation process, it may be beneficial to seek professional help.

Details:

Racing diffs small case 168mm lsd clutch plate set.

specifications differentialsdepo:

  • for models: E30
  • for makes: Bmw
  • brand: Racingdiffs
  • mpn: Rd4005
  • type: Differential Hardware
  • warranty: 1 Year
  • oe/oem part number: 33141203806 33-14-12-03-806 33 14 12 03 806, 33.14.12.03.806, 33141203803 33-14-12-03-803 33 14 12 03 803, 33.14.12.03.803, 33141203804 33-14-12-03-804 33 14 12 03 804, 33.14.12.03.804, 33141203805 33-14-12-03-805 33 14 12 03 805, 33.14.12.03.805, 33141204153 33-14-12-04-153 33 14 12 04 153, 33.14.12.04.153
  • fitment type: Direct Replacement
  • surface finish: Molybdenum Ceramics
  • differential type: Limited-slip
  • placement on vehicle: Rear

shipping differentialsdepo:

  • class: expedited
  • type: calculated
  • transit: 5-11 days
  • carrier: usps
  • service: usps priority mail

seller differentialsdepo:

  • # reviews: 153
  • city: san pedro, california
  • rating: 100.0%

offer differentialsdepo:

  • best offers: true
  • availability: in stock
  • prices: $220.00–$356.40
  • item condition: New
  • started: december 7, 2025
  • sold #: 10
  • options: ship-to-home
  • in stock #: 2

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  • category: Auto Parts > Transmission Drivetrain > Differentials > Assemblies

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rating: 100.0% out of 100 based on 153 user ratings.
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