RPM Forged High-Boost H-Beam Connecting Rods (BMW B48)

Forged H-Beam Connecting Rods + ARP 2000 Bolts For BMW48 Engines

Take your B48 build to the next level with RPM Tuning’s Forged H-Beam Connecting Rods – purpose-built for serious boost, track reliability, and long-term engine durability. Whether you're chasing big numbers on a hybrid turbo or dialing in a forged bottom-end, these rods are engineered to handle the pressure.

✅ Why Choose RPM Tuning Forged Rods for Your B48?
Our connecting rods are precision-forged from 4340 aircraft-grade chrome moly steel – delivering excellent fatigue strength, dimensional consistency, and high tensile resistance. Each rod is shot-peened, heat-treated, and CNC machined to ensure durability under high-load, high-RPM operation.

⚙️ Product Features

🔩 Professional H-Beam Design
Optimized to resist flex under heavy boost and detonation.
Perfect for hybrid turbo builds, track days, and high-output street use.

🧊 Forged 4340 Chrome Moly Steel
Aerospace-grade alloy for exceptional strength-to-weight ratio.
Heat-treated and shot-peened for long-term fatigue resistance.

🎯 Precision Honed Big End
CNC-machined for tight tolerances and bearing life.
Fully balanced to maintain crankshaft equilibrium.

🟠 Bronze Alloy Bushing – Small End
Reduces wrist pin wear under heavy load.
Enhances piston guidance and overall durability.

🔧 Designed for ARP Bolts – 800-1000+ HP Rated
Engineered to accept genuine ARP 2000 bolts.
Deep locking grooves ensure bolt stability under extreme pressure.

💡 Shot-Peened Finish
Stress-relief treatment to prevent microscopic fractures.
Improves longevity in motorsport and endurance use.

⚙️ Lighter Weight H-Beam Profile
Reduces reciprocating mass without compromising strength.
Improves rev response and engine efficiency.

📊 Technical Specs Summary:

🧩 Compatible With BMW B48 Engines in:

1' F21 LCI   (10/2015 — 06/2019)
1' F52 Sedan   (11/2015 — 08/2019)
2' F22   (09/2015 — 06/2017)
2' F22 LCI   (09/2016 — 06/2021)
2' F23   (09/2015 — 06/2017)
2' F23 LCI   (10/2016 — 07/2021)
2' F45 Active Tourer   (03/2014 — 03/2018)
2' F45 Active Tourer LCI   (06/2017 — 12/2018)
2' F46 Gran Tourer   (07/2014 — 03/2018)
3' F30 LCI   (09/2014 — 03/2019)
3' G20 Sedan   (01/2018 — 06/2022)
3' G20 Sedan LCI   (09/2021 — 03/2025)
3' F35 LCI   (07/2015 — 03/2019)
3' F31 LCI   (09/2014 — 06/2019)
3' F34 GT LCI   (09/2015 — 05/2021)
4' F32   (05/2015 — 02/2017)
4' F32 LCI   (05/2016 — 06/2020)
4' G22 Coupé   (11/2019 — 01/2024)
4' G22 Coupé LCI   (03/2023 — 03/2025)
4' F33   (03/2015 — 02/2017)
4' F33 LCI   (05/2016 — 07/2020)
4' F36 Gran Coupé   (03/2015 — 03/2017)
4' F36 Gran Coupé LCI   (06/2016 — 05/2021)
4' G26 Gran Coupé   (12/2020 — 04/2024)
4' G26 Gran Coupé LCI   (06/2024 — 03/2025)
5' G30   (09/2016 — 06/2020)
5' G30 LCI   (07/2019 — 06/2023)
5' G38   (10/2016 — 08/2020)
5' G31 Touring   (09/2016 — 06/2019)
X1 F48   (11/2014 — 03/2018)
X1L F49   (12/2014 — 08/2019)
X3 G01   (12/2016 — 08/2021)
X3 G01 LCI   (09/2020 — 06/2024)
X3 G08   (01/2017 — 12/2020)
X4 G02   (04/2017 — 07/2019)
MINI F56   (04/2013 — 07/2019)
MINI F55   (09/2013 — 06/2019)
MINI Clubman F54   (11/2014 — 07/2019)
MINI Cabrio F57   (11/2014 — 06/2019)
MINI Countryman F60   (11/2015 — 06/2019)

🔥 Ideal Pairing:
Match with RPM Tuning Forged 4032 Pistons, upgraded bearings, and a MLS head gasket for a full forged bottom-end setup. Perfect for hybrid turbo builds or track-prepped 330i, 530i, or MINI JCW applications.