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Pure Drivetrain Solutions PDS 8HP50 High Performance Transmission Hard Parts Kit - RWD - Stage 1
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PDS 8HP50 High Performance Transmission Hard Parts Kit - RWD - Stage 1

PDS12-97-1000
Transmission Rebuild Kits
Out of stock
$ 3,499.99

SKU: 12-97-1000

PDS 8HP50 High Performance Transmission Hard Parts Kit - RWD - Stage 1 for BMW 1/3/4/5 Series X3 X4 X5 2011-2020

The PDS 8HP50 High Performance Transmission Hard Parts Kit RWD Stage 1 rebuilds ZF 8HP50 transmissions in BMW vehicles from 2011 to 2020. This kit delivers upgraded steels and components for greater torque capacity and shift reliability under demanding conditions. Ideal for performance enthusiasts building reliable powertrains in rear-wheel drive BMWs.

Key Features

  • HD 5-6 Clutch Wide Steel Pack: Extra wide Kolene steels increase direct drive holding power by 30 percent for smoother highway cruising and launches.
  • HD 2-4 Clutch Steel Pack: Thicker steels boost intermediate clutch capacity to prevent slip in mid-range acceleration.
  • HD 3-5-R Clutch Steel Pack: Reinforced steels enhance overdrive and reverse holding for consistent performance across gears.
  • HD Forward Clutch Steel Pack: Upgraded plates support higher input torque from tuned engines without flex or wear.
  • HD Reverse Clutch Steel Pack: Strengthened components ensure crisp reverse engagement and longevity in daily driving.

Product Notes

  • Requires transmission disassembly and professional rebuild for proper installation.
  • Pair with upgraded frictions and bands for full Stage 1 power gains.
  • Special order item verify stock before ordering.

Installation Notes

  • Professional installation recommended.
  • Transmission removal required use factory service manual for torque specs.
  • Compatible with stock valve body and torque converter.

This Part Fits

Year Make Model Submodel
2011-2013 BMW 1 Series 135i RWD
2012-2016 BMW 3 Series 335i RWD
2014-2016 BMW 4 Series 435i RWD
2011-2016 BMW 5 Series 535i RWD
2011-2017 BMW X3 xDrive35i RWD
2015-2018 BMW X4 xDrive35i RWD
2011-2013 BMW X5 xDrive35i RWD
2014-2018 BMW X5 xDrive40i RWD

Why Choose PDS?

  • Proven in high-horsepower BMW builds for track and street.
  • Precision-engineered steels from premium materials resist heat and wear.
  • Direct-fit design simplifies rebuilds with reliable results.

Frequently Asked Questions

  • Q: Which BMW models use the ZF 8HP50 transmission?
    A: Fits RWD 2011-2020 BMW 1 Series 135i 3 Series 335i/328i 4 Series 435i/428i 5 Series 535i/528i X3 xDrive35i X4 xDrive35i X5 xDrive35i/xDrive40i and select others with 8HP50.
  • Q: What materials are used in the steels?
    A: Kolene heat-treated high-carbon steels for superior wear resistance and clutch apply pressure.
  • Q: Do I need additional parts for Stage 1?
    A: Add matching frictions bands and fluid for complete rebuild professional tuning advised for tuned engines.

Shipping & Handling

  • Method: UPS Ground
  • Availability: Special order ships within 3-5 business days
  • Packaging: Secure oversize box 16 x 14 x 10 inches
  • Weight: 22 lbs

Request For Information

Have questions about PDS 8HP50 High Performance Transmission Hard Parts Kit - RWD - Stage 1? Fill out the form below and we'll get back to you by the next business day.
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