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Engines and Components› Pistons and Piston Rings
JE Pistons
JE Pistons BMW N55B30 84mm Bore 9.5:1 Compression Ratio -14.7 Dish FSR Piston - Set of 6
SKU: J001 338096
Advanced — 4+ hours
Overview
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Part #: 338096
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons.
Features:
- Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
- Designed specifically for each engine and use application to provide optimized performance durability
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
- Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise
- Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
JE, BMW, N55B30, 3.307 in. Bore, 9.50:1, Inverted Dome/Dish, 6 Cyl. Piston Kit
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Engine knocking or pinging under load
- Excessive oil consumption (blue exhaust smoke)
- Loss of power and poor acceleration
- Rough idle or misfire at cold start
- Low compression readings during test
Diagnostic Codes
- P0300 – Random or multiple cylinder misfire Det
- P0301 – Cylinder 1 misfire Det
- P0302 – Cylinder 2 misfire Det
- P0303 – Cylinder 3 misfire Det
- P0304 – Cylinder 4 misfire Det
- P0305 – Cylinder 5 misfire Det
- P0306 – Cylinder 6 misfire Det
- P0171 – FT Malf (B1)
- P0174 – FT Malf (B2)
Relevant Conversations
- BMW N55 engine knocking noise fix
- JE Pistons 338096 review BMW S55
- N55 low compression symptoms and repair
- P0300 multiple misfire N55 after tune
- Upgraded pistons for BMW N55 550i
- N55 piston slap vs rod knock diagnostic
- S55 forged piston set replacement cost
- N55 cylinder 4 misfire P0304 fixed with pistons
- Best pistons for N55 high horsepower build
- BMW N55 oil consumption blue smoke repair forum
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
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Specifications
| Brand | JE Pistons |
| Part Number | J001 338096 |
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