This video documents a dyno tuning session for the BMW Z8 following the installation of a Supersprint exhaust system. The aim is to evaluate performance gains and sound characteristics after the ...

The CS, which stands for Competition Sport, isn't for the faint of heart. The most extreme M5 yet is much lighter than the standard model, packs a bigger punch than the Competition specification, and ...

BMW has a thing for sandbagging. From the B58 of M40i vehicles to the S68 of the XM, pretty much every six- and eight-cylinder engine from the Bavarian manufacturer produces more power and torque than ...

A BMW M4 CSL is positioned on a dynamometer while a presenter stands beside it, preparing to measure the car’s real-world power output. This track-focused version of the M4 features lightweight ...

BMW says the S58 twin-turbo inline-six in its 2023 M2 makes 453 hp and 406 lb-ft of torque at the crank. A dyno test shows the company is likely underrating those numbers, and the M2 is more powerful ...

The new BMW M2 isn’t what most of us would call particularly attractive but it should still be an outstanding performance machine. Now, one independent group has strapped one such G87 generation M2 to ...

Another turbocharged BMW M performance car has hit the road, and you know what that means: another chance for a dyno test to show that BMW's official numbers significantly understate the level of ...

The new G82 BMW M4 CSL is finally here and one lucky owner decided to find out how much power the latest hardcore BMW M makes on the dyno. The noise is something to revel in but what’s more shocking ...

Just as the sun rises and sets, BMW publishes conservative horsepower and torque figures. The German owner of a new M4 CSL put their car on the dyno and got an astonishing result—596 hp and 531 lb-ft ...

When I recently outsourced an oil pan gasket replacement to a reputable Long Beach BMW shop, the owner noted that he loved the 128’s power and asked if it had an ECU tune, besides any mild coding. As ...