How To Build A B58 Engine For 1000+ HP

By KingTec Racing April 12th, 2024

At KingTec Racing, we're passionate about pushing the boundaries of what's possible in the world of racing car tuning. For BMW enthusiasts who are seeking unmatched power and precision, our B58 forged pistons and connecting rods are the ultimate choice. Let's Step into the thrilling world of automotive engineering excellence with the BMW B58 forged internals—a marvel of power, precision, and performance!

Why are KingTec Racing's B58 forged internals so good?

Features of KingTec Racing’s B58 forged connecting rods

The H beam B58 forged connecting rods are manufactured from 4340 high tensile steel. They are engineered to withstand the extreme demands of high-performance racing.

Shot Peening for improved fatigue life
CNC machining for superior tolerances
Bronze Bushed, with premium AMPCO bushings
Multi Stage Heat Treatment for maximum strength
Optimal balancing for weight matched sets of ± 1.5 grams

Features of KingTec Racing’s B58 forged pistons

Utilizing a double-coat formula, our B58 forged pistons combine hard-coat anodizing with a moly-skirt coating to deliver unparalleled durability and efficiency.

4032 high-silicon / low-expansion Aluminum alloy
Complete set includes piston pin, rings and clips
Valve Pockets designed to allow over size valves
Skirt coating enhances anti-friction properties
Precision CNC machined ring grooves

What cars can use the B58 forged pistons and rods?

KingTec Racing's B58 forged pistons and rods are the epitome of versatility, designed to enhance the performance of a wide array of BMW models. From the dynamic BMW F30/F31/F34 340i and F32/F33/F36 440i to the luxurious G11/G12 740i and the sporty F20/F21 M140i and F22/F23 M240i, our components are tailored to elevate the driving experience across various BMW platforms.

But the compatibility doesn't end there. Our B58 forged pistons and rods also cater to the discerning drivers of the BMW G30/G31 540i, as well as the adventurous enthusiasts of the BMW G01 X3 M40i, G02 X4 M40i, and the G05 X5 xDrive40i. Additionally, those seeking performance in larger SUVs can rely on our components for the BMW G06 X6 xDrive40i and the G07 X7 xDrive40i.

What Does It Take To Build A 1,000-HP B58 Engine?

Building a B58 engine capable of producing 1000+ horsepower requires meticulous attention to detail and precision craftsmanship. From selecting the appropriate components to torquing bolts to precise specifications, we leave no stone unturned in our quest for perfection. Whether you're a seasoned mechanic or a novice enthusiast, our guides empower you to unleash the full potential of your BMW engine with confidence.

1. Intake System Upgrade: Upgrading your BMW B58 engine's intake system can significantly improve airflow and increase horsepower. Consider installing a high-flow cold air intake system that replaces the restrictive factory airbox with a more efficient design. This allows the engine to breathe in cooler, denser air, resulting in improved throttle response and enhanced performance.

2. Exhaust System Enhancement: Upgrading your BMW B58 engine's exhaust system can improve exhaust flow and reduce backpressure, allowing the engine to breathe more freely and produce additional horsepower and torque. Consider installing a performance exhaust system with larger diameter piping, high-flow catalytic converters, and free-flowing mufflers to unleash the full potential of your engine.
3. Turbocharger Upgrade: Upgrading the turbocharger(s) on your BMW B58 engine can deliver substantial gains in horsepower and torque. Consider replacing the stock turbocharger(s) with larger, more efficient units or upgrading to hybrid turbochargers that offer improved spool-up times and increased boost levels. This can result in significantly higher power output and improved overall performance.
4. Crankshaft Upgrade: The crankshaft plays a pivotal role in the operation of your engine, converting the reciprocating motion of the pistons into rotational motion to drive the vehicle. Upgrading the crankshaft can yield significant performance gains by reducing rotating mass, increasing strength, and improving balance. Furthermore, the forged crankshafts often feature counterweight designs optimized for high-performance applications, improving engine balance and reducing vibrations. This results in smoother engine operation and enhanced reliability, especially at high RPMs.
5. Fuel System Enhancement: Upgrading the fuel system on your BMW B58 engine is essential to support higher horsepower levels and ensure proper fuel delivery under increased boost pressure. Consider installing larger fuel injectors, high-flow fuel pumps, and upgraded fuel lines to provide the engine with an ample supply of fuel at all times. This is particularly important if you're planning to run higher boost levels or utilize alternative fuels such as E85.
6. Engine Management Tuning: Upgrading the engine management system on your BMW B58 engine is crucial to optimize performance and ensure safe operation. Consider installing a standalone engine management system or utilizing a custom-tuned ECU calibration to fine-tune fuel and ignition timing parameters, adjust boost levels, and optimize other engine parameters for maximum performance. This allows you to extract the full potential of your engine while maintaining reliability and drivability.

Why Choose KingTec Racing?

At KingTec Racing, we stand behind the quality and performance of our products. With our B58 forged pistons and rods, we guarantee unrivaled performance and reliability on the track or the street. Backed by years of research, development, and rigorous testing, our components are engineered to exceed the expectations of even the most discerning enthusiasts. Experience the difference that KingTec Racing can make in your BMW's performance and join the ranks of elite racing car tuning enthusiasts worldwide!

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