German automakers have an extended custom in the case of intentionally underrating the facility of their engines, however we proceed to be pleasantly shocked by BMW. The tuners at RaceChip bought an M3 xDrive some time again and put it on a dyno to learn how a lot energy the S58 engine truly delivers. The official specs sheet could say the inline-six engine is sweet for 510 horsepower, however this tremendous sedan was making a whopping 553 hp.
As if that wasn’t spectacular sufficient, the dyno check confirmed the three.0-liter engine was producing 692 Newton-meters (510 pound-feet) of torque. It represents a wholesome benefit of 42 Nm (31 lb-ft) in comparison with what the producer claims. That’s all up to now now as RaceChip has labored its magic to take twin-turbo mill to a whopping 662 hp and 833 Nm (614 lb-ft).
Peak figures apart, the facility curve reveals the good points are accessible all through all the rpm vary, so that you mainly really feel the additional oomph always. RaceChip put these numbers to the check by taking their M3 xDrive on an unrestricted part of the Autobahn to carry out an acceleration check from 62 to 124 mph (100 to 200 km/h). The high-performance sedan wanted as little as 7.04 seconds to get the job performed.
Past the upgraded engine, the M3 xDrive encompasses a customized physique wrap and rides on champagne-colored Edelweiss wheels mixed with Eibach springs. The OEM exhaust has been swapped out in favor of a customized Eisenmann setup whereas conserving the gasoline particulate filter to stay street-legal in Germany and Austria. RaceChip patiently waited a few yr to take supply of the all-paw efficiency sedan and praises its engine for its sturdy output in inventory type and its tuning potential.
With the S58 already making 553 hp in Competitors type, we’d be curious to know the way a lot energy it delivers within the M4 CSL and the upcoming 3.0 CSL. The three.0-liter engine is formally rated at 550 hp within the former whereas the latter is rumored to pack a mighty 560-hp punch.
Supply: RaceChip / YouTube