How fast can a bmw m3 go?

The BMW M3 has a top speed of 155mph. It can go 0-60 in 5 seconds flat. Some of the most popular performance upgrades would be tuning the ECU, adding a performance cold air intake, and upgrading the exhaust. Chip tuning Your ECU can allow You to modify Your engine's fuel economy and torque. A performance tune can cost anywhere from $400-$800. Installing a cold air intake system can boost the horsepower of Your engine froM5-20 HP. A cold air intake is like this magic medicine that allows Your engine to finally breathe. It moves the air filter outside of the engine compartment so that cooler air can be sucked into the engine. The whole point of a cold air intake is to get colder air. Cooler air brings more oxygen and that means more power.