SKU: 16-97-2655
PDS 8HP50 High Performance Billet Race Torque Converter – 26/55 Stator – RWD Fits 2011-2021 BMW 3/4/5/6 Series
Upgrade your ZF 8HP50 RWD transmission with the PDS billet race torque converter featuring a 26/55 stator for aggressive launches and efficient highway cruising. Designed for high-horsepower builds in BMW 328i, 428i, 528i, 535i and similar models, it delivers immediate torque multiplication and lockup control under extreme conditions. Built to handle 1000+ HP in drag racing and track applications.
Key Features
- Billet Aluminum Front Cover: CNC-machined 6061-T6 aluminum resists flex and ballooning at high pressures over 300 PSI
- Billet Steel Lockup Piston: Multi-bolt design provides maximum clamping force for instant lockup and zero slip at high RPM
- 26/55 Stator Design: Variable pitch stator optimized for 4500-6500 RPM stall speeds enabling quicker ETs and better 60-foot times
- Furnace Brazed Impeller/Turbine: 28-element brazed construction doubles fin strength to survive 10,000+ RPM bursts
- Precision Balanced Assembly: SFI 29.2 certified balance ensures smooth operation and extended transmission life
Product Notes
- Requires matching PDS or OEM pump and valve body for full performance
- Break-in period of 500 easy miles recommended before full-throttle use
- Ships fully assembled and tested. special order item with 3-5 day lead time
Installation Notes
- Professional installation recommended.
- Torque converter bolts to 55 ft-lbs. verify flexplate compatibility (BMW 240mm 6-bolt)
- Fill with 8-10 quarts of approved ZF Lifeguard 8 fluid post-install
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2015 | BMW | 328i | RWD |
| 2014-2016 | BMW | 428i | RWD |
| 2011-2016 | BMW | 528i | RWD |
| 2011-2016 | BMW | 535i | RWD |
| 2012-2016 | BMW | 640i | RWD |
| 2011-2018 | BMW | X3 | xDrive30i RWD conversions |
| 2013-2021 | Dodge | Charger | SXT 3.6L RWD |
Why Choose PDS?
- 20+ years building championship-winning converters for NHRA and NMRA racers
- Hand-assembled in USA with aerospace-grade materials for reliability
- Laser-aligned components ensure repeatability in every unit produced
Frequently Asked Questions
- Q: Will this fit my 2014 BMW 335i with stock 8HP50?
A: Yes, direct bolt-in replacement for all RWD ZF 8HP50 transmissions. confirm flexplate bolt pattern matches 240mm 6-bolt. - Q: What materials are used in construction?
A: Billet 6061-T6 aluminum cover, 4140 steel piston, TIG-welded hubs, and nickel-plated internals for corrosion resistance. - Q: What is the warranty and install process?
A: 1-year unlimited mileage warranty on defects. requires professional install with PDS break-in procedure for coverage.
Shipping & Handling
- Method: UPS Freight Ground
- Availability: In stock – ships same or next business day
- Packaging: Heavy-duty double-wall box 24 x 24 x 12 inches
- Weight: 58 lbs








