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How Much HP Does A BMW M3 Still Make After 173,000 Miles?

When we talk about old cars we always reference the power and performance figures that the manufacturer quoted out when the car was new. But how many of those horses are still prancing around 20 or 30 years later, and how many are ready for the glue factory?

To find out, Christian from YouTube channel Vehicle Virals headed to the dyno with an E46 M3 he managed to buy for just $3,000 last year.

Obviously, he didn’t buy himself a trailer queen for that kind of money, which if you have seen E46 M3 prices lately, you’ll know is outrageously cheap. The car had plenty of issues, including the fact it had done 173,000 miles.

Equipped from the factory with BMW’s SMG automated manual transmission, its 3.2-liter S54 straight-six had been lightly modified with an ECU tune, exhaust headers and performance intake.

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In stock form, BMW quoted 333 hp for U.S. spec E46 M3s, and theoretically the mods should add noticeably to that (the M3 CSL sold in Europe was rated at 17 hp over the standard M3).

But what kind of damage has the addition of all those miles (which we can assume were often very brutal) done? Vehicle Virals’ Christian and his friend suggest 280 hp at the rear wheels would be a respectable figure, which seems to be what M3 fans say you should expect from a stock car in good condition, representing a 16 percent drivetrain loss.

But in fact, the old M3 pulls 290 hp at 7250 on its second run, suggesting a ballpark 350 hp flywheel figure if you assume the same kind of drivetrain losses. As any tuning fan knows, dyno results can vary wildly, but that seems like a decent result given the mileage.

Would a third run yield more? It might have done, but there was so much oil smoke pouring out of the M3’s quad pipes on the second run, the owner wasn’t prepared to take the risk. The dyno numbers might suggest those 173,000 miles haven’t hurt this M3, but the piston rings could be saying something different altogether.

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2021 BMW M4 Competition Struggles With The Dreaded Moose Test

The 2021 BMW M4 is an excellent sports car to drive so, in theory, it shouldn’t have a problem tackling the moose test.

Km77 recently got its hands on the new M4 Competition and initially lined it up for the moose test at 78 km/h (48.46 mph), a speed at which a Tesla Model 3 can safely navigate the test. However, in the BMW, the rear end stepped out the moment the tester steered it to the right through the course. This sudden oversteer took out two cones and despite the driver’s best attempts to countersteer and control the slide, it took out another cone when swerving back to the left.

What’s particularly surprising about the car’s behavior at its limits is that all of the traction and stability control systems were enabled.

Watch Also: BMW M4 And M 1000 RR Meet For An Epic Drift Battle

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On its second run, the speed was reduced to 76 km/h (47.22 mph) and this time, the M4 Competition did manage to safely navigate the test, although its rear end lost traction once again. This is interesting as most other cars put through the moose test first push into understeer, rather than oversteer. Km77 completed its test by putting the M4 Competition through a slalom, which it successfully completed at 78 km/h (48.4 mph).

Needless to say, the M4 Competition’s result isn’t that great since we’re talking about what is considered one of the best (if not the best) performance coupes on the market. Surprisingly enough, the Ford Puma ST, a small sporty crossover, performed notably better than the BMW, as you can see in the following video.

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BMW M4 Driver Brakes From 174 MPH, Narrowly Misses Rear-Ending Mazda3

For many car enthusiasts, the Autobahn is viewed as motoring nirvana, but things can turn from sweet to sour in the blink of an eye, as this video shows.

This clip was filmed from the helmet camera being used by the driver of a BMW M4 and shows him hitting speeds of around 174 mph (280 km/h). At the 15-second mark, the BMW driver is quite late to brake to avoid a slow-moving hatchback in the fast lane but when it gets out of the way, he quickly hits the throttle once again and starts to accelerate to over 167 mph (270 km/h).

However, at the 48-second mark of the clip, a maroon-colored Mazda3 changes into the fast lane to overtake a Ford Fiesta, crossing directly into the path of the BMW.

Watch Also: Red Light Runner Comes Within Inches Of Taking Out A Motorcyclist

The M4 driver is forced to slam on the brakes to avoid rear-ending the Mazda and apparently managed to slow from 174 mph to 87 mph (140 km/h) in just a few seconds. Had the BMW driver been a little later to react or had the Mazda driver made the lane change a touch later, the two might have collided and the results may have been devastating.

One could say that the driver of the Mazda is primarily to blame for the near-miss. Changing into the fast lane of the Autobahn isn’t something you should ever do without getting a good look at your mirrors to ensure there is no fast-moving traffic behind you. The M4 driver should have also been more careful and perhaps lifted off the throttle while passing slower traffic.

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Colorful 2021 BMW M3 With M Performance Parts Takes To The Street, Does Some Drifting

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The 2021 BMW M3 and M4 have striking looks and impressive performance credentials and yet, many people remain unconvinced about the new sports cars. Perhaps this promotional clip will help to win over those detractors.

This video features an M3 adorned with a plethora of M Performance Parts and was shared on YouTube by BMW Deutschland. It doesn’t just highlight the looks of the car, plus all of its optional performance accessories, but also shows it being drifted around corners and putting all of its power to good use.

The full line-up of M Performance Parts for the new M3 and M4 were announced back in September. Arguably the most intriguing upgrade offered for the duo is a unique central exhaust layout with quad tips made from lightweight titanium.

Other key M Performance parts available include a fixed carbon fiber rear wing and unique wheels available in 19-, 20-, and 21-inch configurations and finished in either Frozen Gold, Jet Black, or Frozen Gunmetal Grey. The 2021 M4 featured in this video is fitted with the Frozen Gunmetal Grey wheels and sports a two-tone (red and black) body finish.

BMW’s M Performance division also offers sports brake pads for the new M3 and M4, as well as adjustable coilovers, carbon ceramic brake rotots, carbon fiber aero flics at the front, a carbon fiber kidney grille and carbon fiber side skirt attachments. Interior upgrades include an M Performance steering wheel, carbon fiber paddle shifters, unique floor mats, door sill strips, and a range of carbon fiber and Alcantara accents.

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2021 BMW M5 CS’ Output Allegedly Confirmed At 626 HP, Easter Egg Hints At Nurburgring Record

BMW has yet to unveil the M5 CS, yet parts for it have already popped up for sale online.

Not only that, but the more track-focused variant of the super executive sedan was also subjected to a fast lap of the Hockenheim-GP by SportAuto’s Christian Gebhardt, and as usual, the run was filmed from the cockpit.

We’ll get to the lap time in a moment, but first, the YouTube channel claims to know the exact output and torque produced by the twin turbocharged 4.4-liter V8 in this variant of the car, which is 635 PS (626 HP / 467 kW) and 750 Nm (553 lb-ft).

Video: Give A BMW M5 1,000 HP And You Have A Supercar Destroyer

If true, then it is only 10 PS (10 HP / 7 kW) more powerful than the 2021 M5 Competition, which goes from 0 to 100 km/h (0-62 mph) in just 3.4 seconds, as the torque is identical in both models.

Now, let’s get back to the video, which shows the new M5 CS completing the course in 1:53.6, on 20-inch wheels, shod in 275/35 front and 285/35 rear Pirelli P Zero Corsa tires. For reference, the M5 Competition posted 1:54.2 in the hands of SportAuto earlier this year, whereas the Mercedes-AMG GT 63 S did a 1:53.4, according to FastestLaps, one tenth of a second slower than the Porsche 992 Carrera S.

Further down the chart, we find the 991 GT3, 718 Cayman GT4 and Jaguar XE SV Project 8, all of which were clocked at 1:53.9, and the 911 GTS and Chevrolet Corvette Grand Sport, with 1:54.0 and 1:54.1 respectively.

On a different note, the pre-production M5 CS depicted on film below had the Nurburgring Nordschleife map embedded in the headrests – could this mean that the record set by the Mercedes-AMG GT 63 S is already in danger?

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PHOTO GALLERY

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BMW M235i Gran Coupe Disappoints As It Fails The Moose Test

For a car advertised as sporty, the first-ever BMW M235i xDrive Gran Coupe performed poorly in the moose test.

Assessed by KM77 in Spain, the premium subcompact model could not return to its initial lane quick enough after swerving to avoid the imaginary obstacle at 48 mph (78 km/h).

The changes in weight transfer and Bridgestone Turanza T005 standard tires pushed it into the cones every time, and they had to lower the speed to 42 mph (68 mph) in order for the M235i GC to leave the cones intact, which is a poor result for such a vehicle.

Review: Why The BMW M235i Gran Coupe A Good But Not A Great Small Sports Sedan

In fact, it is comparable to the new Suzuki Jimny, which managed to complete the test at the same speed without being all over the place. The 2020 Volkswagen Golf did it at 43 mph (69 km/h), whereas one of the 2-Series Gran Coupe’s biggest rivals, the Mercedes-Benz CLA 200, did it at 41 mph (66 km/h).

Despite sharing the 2-Series nameplate with the rear-wheel drive, two-door models, the M235i Gran Coupe is built on a front-wheel drive-biased, all-wheel drive platform, which is also used by the 1-Series, X1 and X2. It can cover the nought to 60 mph (0-96 km/h) mark in 4.6 seconds and has a 155 mph (250 km/h) top speed thanks to its 301 HP and 332 lb-ft (450 Nm) of torque 2.0-liter turbocharged four-cylinder.

The M235i GC has an MSRP of $45,500 in the USA, which makes it $550 pricier than the Mercedes-AMG A35 Sedan.

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