BMW M Forged Internals — N55 B58 S65 | YPG Motorsport
YPG Motorsport — BMW M Engine Specialists
BMW FORGED INTERNALS
N55 · B58 · S65
Race-grade forged rods and pistons for BMW's most tuneable engines. 4340 chrome-moly steel rods, CP or Carrillo pistons, ARP hardware — rated from 1,000HP to 1,500HP+. Ships worldwide.
1500
HP Capable (B58)
4340
Aircraft Steel
ARP
Rod Bolts
✈
Ships Worldwide
All Platforms
Choose Your Engine
Three BMW engines covered. All kits include 4340 forged steel rods, forged pistons, ARP rod bolts, wrist pins, and balanced ring sets. No core exchange required.
B58
Turbocharged 3.0L Inline-6
1500+
HP Capable
3.0L Turbo I6 · 82mm bore · Single twin-scroll turbo
M340i G20 · M440i G22 · M240i G42 · Toyota GR Supra A90/A91 · Z4 M40i G29 · X3 M40i · X4 M40i · X5 40i · 340i F30 · 540i G30 · 740i G11 · 840i G14
- ▪ Forged 4340 steel rods — H-beam design
- ▪ Forged CP or Carrillo pistons — 82mm bore
- ▪ ARP rod bolts rated at 220,000 PSI — ring set included
- ▪ Balanced and matched set ±1.5g
- ▪ Compatible with upgraded turbo setups — big single or twin turbo
N55
Turbocharged 3.0L Inline-6
1600+
HP Capable with HD Wrist Pins
3.0L TT I6 · 84mm bore · Single twin-scroll turbo
335i E90/E92/E93 · 335i F30 · 435i F32 · 535i F10 · 640i F06 · 740i F01 · M135i F20 · M235i F22 · M2 F87 · X3/X4/X5/X6 35i
- ▪ Forged 4340 steel rods — 1,000HP standard config, 1,600HP with HD wrist pins
- ▪ Forged CP or Carrillo pistons — 84mm bore or oversized
- ▪ ARP rod bolts rated at 220,000 PSI — ring set included
- ▪ Balanced and matched set ±1.5g
- ▪ Compatible with single turbo and twin turbo builds
S65
Naturally Aspirated 4.0L V8
1000+
HP Capable
4.0L NA V8 · 92mm bore · 8 cylinders · 8,300rpm redline
M3 E90/E92/E93 (2007–2013)
- ▪ Forged I-beam connecting rods — motorsport spec
- ▪ Forged CP or Carrillo pistons — 92mm bore
- ▪ ARP rod bolts and hardware
- ▪ Balanced and matched set ±1.5g
- ▪ Essential for forced induction conversions on S65
How It Works
Kit to Build
01
Order Your Kit
Select your engine. All kits include forged rods, pistons, ARP hardware, wrist pins, and ring sets. Ready to ship worldwide.
02
Machine Your Block
Take your block for bore and hone. We recommend 0.002″ overbore for oversized pistons. We advise on all specifications.
03
Install & Build
Drop-in installation on a freshly machined block. Compatible with single turbo, twin turbo, and supercharger builds.
04
Tune with YPG
Pair your forged build with a YPG ECU calibration mapped for your engine, fuel type, and power target.
Build Once. Build It Right.
Every YPG forged internals kit is purpose-built for high-horsepower BMW builds. Stop guessing on power limits — start with a foundation that won't let you down.