SKU: 647005C-6 | UPC: 807298117911
Manley BMW N55/S55 37cc Platinum Series Dish Piston Set – 84.5mm Bore (2011-2021)
Manley Platinum Series pistons deliver forged strength for BMW N55 and S55 turbo engines in 2011-2021 models like 335i M3 and M4. This 6-piston set with 84.5mm bore and 37cc dish volume supports high boost levels and larger turbos while maintaining reliability. Includes rings pins and locks for complete assembly.
Key Features
- 2618 Alloy Forgings: High tensile strength handles extreme cylinder pressures in turbocharged applications
- Proven Cam and Skirt Profiles: Optimized design reduces friction improves ring seal and extends engine life
- Tool Steel Wrist Pins: Hardened pins resist wear under high RPM and load conditions
- Moly Skirt Coatings: Provides lubrication reduces scuffing for smoother operation
- Accumulator Groove: Controls combustion pressure to prevent top ring flutter and blow-by
Product Notes
- Machine block to 84.5mm bore for proper clearance
- Compression height 30mm rod length 136.8mm stroke 90mm
- Ships as complete set weight 478g per piston
Installation Notes
- Professional installation recommended.
- Bore and hone cylinders to match 84.5mm specification
- Compatible with stock connecting rods and bearings
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2013 | BMW | 1 Series | 135i |
| 2011-2015 | BMW | 3 Series | 335i 335i xDrive 335is |
| 2014-2016 | BMW | 4 Series | 435i 435i xDrive |
| 2015-2020 | BMW | 3 Series | M3 |
| 2015-2021 | BMW | 4 Series | M4 Coupe Convertible |
| 2011-2016 | BMW | Z4 | sDrive35i |
Why Choose Manley?
- Engine builders trust Manley for race-proven components
- Exact tolerances ensure consistent performance
- Advanced coatings and designs support boosted power gains
Frequently Asked Questions
- Q: Which BMW engines and models fit this piston set?
A: Designed for N55 and S55 3.0L turbo engines in 2011-2021 BMW 135i 335i 435i M3 M4 Z4 and similar models verify bore size - Q: What material and coatings are used?
A: Forged from 2618 aluminum alloy with moly skirt coating tool steel pins and accumulator groove for durability - Q: Does the set include rings and pins warranty details?
A: Yes complete set with rings pins and spiro locks Manley offers limited warranty against manufacturing defects
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure box 12 x 12 x 6 inches
- Weight: 6.3 lbs
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