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Tech Articles


BMW S55 Crank Hub Failure – What It Is and How ...
If you own a BMW M3, M4, or M2 Competition with the S55 engine, you’ve probably heard about crank hub failure. It’s one of the most talked-about issues in the...
BMW S55 Crank Hub Failure – What It Is and How ...
If you own a BMW M3, M4, or M2 Competition with the S55 engine, you’ve probably heard about crank hub failure. It’s one of the most talked-about issues in the...

Kelford Cams for B58 and S58 Engines: Precision...
When it comes to extracting every bit of performance from BMW’s modern inline-six powerplants, camshaft choice is critical. Whether you’re building a high-horsepower street car, a dedicated track machine, or...
Kelford Cams for B58 and S58 Engines: Precision...
When it comes to extracting every bit of performance from BMW’s modern inline-six powerplants, camshaft choice is critical. Whether you’re building a high-horsepower street car, a dedicated track machine, or...

High-Performance Excellence: BMW S55 Camshafts ...
If you're building a next-level F80 M3, F82 M4, or F87 M2 Competition, the BMW S55 Camshaft Set by 5150 AutoSport is your precision-tuned path to serious performance gains. Crafted...
High-Performance Excellence: BMW S55 Camshafts ...
If you're building a next-level F80 M3, F82 M4, or F87 M2 Competition, the BMW S55 Camshaft Set by 5150 AutoSport is your precision-tuned path to serious performance gains. Crafted...

Why Racing Oil Doesn’t Belong in Your Daily Driver
You might think if it works for a race engine, it must be better for yours too. After all, racing oils are built to survive wide-open throttle, big RPMs, and...
Why Racing Oil Doesn’t Belong in Your Daily Driver
You might think if it works for a race engine, it must be better for yours too. After all, racing oils are built to survive wide-open throttle, big RPMs, and...

From Forging to Finish: How Manley Performance ...
When it comes to building a reliable high-performance BMW engine, every component matters—and the connecting rod is one of the most critical links between raw power and real-world results. That’s...
From Forging to Finish: How Manley Performance ...
When it comes to building a reliable high-performance BMW engine, every component matters—and the connecting rod is one of the most critical links between raw power and real-world results. That’s...

Choosing the Right Engine Components Shouldn’t ...
Some companies see customers as dollar signs — we see you as drivers. And as drivers ourselves, we understand that overbuilding a motor can be just as problematic as underbuilding one.
Choosing the Right Engine Components Shouldn’t ...
Some companies see customers as dollar signs — we see you as drivers. And as drivers ourselves, we understand that overbuilding a motor can be just as problematic as underbuilding one.
