405HP BMW M2 Competition - Why This Engine Makes All The Difference

The BMW M2 Competition is a firecracker of a sports car – a compact coupe with a big heart, packing 405 horsepower and 406 lb-ft of torque courtesy of the same twin-turbo engine found in the M3/M4. This bold transplant of the S55 engine into the smallest M car transformed the M2 from a fun performer into a ferocious driver's machine that grabs you by the scruff and begs to be driven hard.

Quick Navigation

• Quick Answer
• Key Takeaways
• Technical Excellence Under the Hood
• Model Variants and What to Buy
• Massive Tuning Potential
• Essential Modifications
• Wheels and Tires
• Competition Analysis
• Ownership Reality
• Who Should Buy One
• When to Skip It
• Final Verdict

Quick Answer

The M2 Competition offers supercar thrills in a daily-drivable format. You get blistering acceleration and track-capable handling with the practicality of four seats and a usable trunk. It's one of the last of its kind – a modern classic in the making that addresses the original M2's main shortcoming by dropping in a detuned M4 motor with 40 more horsepower.

Key Takeaways

• S55 twin-turbo engine: 405 hp and 406 lb-ft from the same powerplant as M3/M4
• Transmission choices: 6-speed manual or 7-speed M-DCT dual-clutch
• Massive tuning potential: Stage 1 tunes easily add 90+ hp with software alone
• Strong resale values: Already showing signs of future collectability
• Track-ready from factory: Big brakes, active differential, and M3/M4 suspension components
• Compact practicality: Smaller than M4 but retains rear seats and decent trunk space

Technical Excellence Under the Hood

The M2 Competition's spec sheet reads like a performance junkie's wish list. At its core is the S55B30 engine – a 3.0-liter twin-turbocharged inline-6 developed by BMW's M Division. This represents a massive upgrade over the original M2's N55 engine, featuring a closed-deck block, forged crankshaft, stronger pistons and rods, twin mono-scroll turbochargers, twin high-pressure fuel pumps, and an active dual-mode exhaust.

The power figures tell the story: 405 hp at 6,250 RPM and 406 lb-ft of torque from 2,350–5,200 RPM. That's 40 hp and 63 lb-ft more than the original M2's output. Performance is explosive – 0-60 mph in 4.2 seconds with DCT (4.4 with manual) and quarter-mile times in the low 12-second range.

The chassis receives M3/M4 componentry throughout. Aluminum control arms, wheel hubs, and rear suspension links trim unsprung weight by 11 pounds. The front strut towers connect via a carbon-fiber reinforced plastic strut brace lifted straight from the M4. Standard M Sport Brakes feature 6-piston front calipers with 400mm rotors and 4-piston rears with 380mm discs.

Model Variants and What to Buy

The M2 family spans several iterations, each with distinct character:

2016-2018 BMW M2 (Original): The N55B30T0 single-turbo engine produces 365 hp and 343 lb-ft. These cars are lighter by 55 kg and offer a sweeter exhaust note, but lack the Competition's firepower and cooling capacity. They're more affordable on the used market and perfect for purists who don't plan heavy modifications.

2019-2021 BMW M2 Competition: The sweet spot of the range. The S55 engine transformation brings M3/M4 performance to the compact platform. All Competition models share identical mechanical specifications regardless of year, with only minor software updates differentiating them.

2020 BMW M2 CS: The limited-edition halo model with 444 hp, carbon fiber hood and roof, adaptive suspension, and exclusive colors. Only 2,200 units were built globally, making it an instant collectible. The CS represents the ultimate F87 expression but costs significantly more than a Competition.

For most enthusiasts, the M2 Competition hits the goldilocks zone of performance and value. It's more advanced and powerful than the base M2, but far more attainable than the limited CS.

Massive Tuning Potential

One of the best aspects of the M2 Competition is the untapped potential within that S55 engine. The conservative factory rating of 405 hp can be dramatically improved with simple modifications:

Stage 1 (Software Only): ECU reflash alone bumps power to roughly 500 bhp and 640-680 Nm of torque on 93 octane pump fuel. Popular platforms like Bootmod3%20tune) and MHD%20tune) offer DIY flash tuning for around $595. Even conservative tuners like Dinan%20tune) offer substantial gains while maintaining warranty coverage.

Stage 2 (Tune + Hardware): Adding high-flow downpipes and intake modifications pushes output to 520-540 bhp. Catless downpipes from companies like VRSF%20downpipes) or Wagner-tuning-audi-s4-b5-a6-2-7t-competition-intercooler-kit-w-carbon-air-shroud-200001006-kkit/) cost $400-$800 and dramatically improve turbo response while enhancing sound.

Stage 3 (Turbo Upgrades): Hybrid turbos unlock 600-700+ hp potential. The S55's robust internals can handle serious power, with some builds reaching 850 hp on the dyno. Supporting modifications become critical at this level, including upgraded intercoolers, fuel systems, and the preventative crank hub fix.

The beauty of the S55 platform is its scalability – you can stay Stage 1 for reliable daily driving or build a supercar-killing monster that still maintains street manners.

Essential Modifications

The aftermarket for the M2 Competition is massive, thanks to sharing components with the popular M3/M4. Here are the most impactful upgrades:

Exhaust System: The stock setup can sound raspy due to unequal-length routing. Popular solutions include:

• Catless or high-flow catted downpipes ($400-$1,000)
• Equal-length mid-pipes from Active Autowerke (~$1,000) to eliminate rasp
• Premium axle-back systems like Akrapovič Titanium ($5,500-$6,000)

Suspension: Transform handling with quality coilovers:

• KW Variant 3 (~$2,500) for street/track balance
• Öhlins Road & Track (~$3,500) for sophisticated damping
• BC Racing BR series (~$1,200) for budget-conscious builds

Cooling: Essential for sustained performance:

• CSF High Performance intercooler (~$1,200-$1,500)
• Upgraded heat exchangers (~$800) for track use
• Oil cooler upgrades for extreme applications

Brakes: The stock system is robust, but track use benefits from:

• Performance pads like Ferodo DS2500 or Hawk HPS 5.0-10-19-lexus-gx460-03-19-toyota-4runner-premium-nao-ceramic-oe-equivalent-pad-front-p83066n/)-alcon-dtc-60-race-brake-pad-sets-hb105g-775/) (~$250)
• High-temp brake fluid (Motul RBF 600/660)
• Big brake kits from AP Racing or Brembo ($3,000-$5,000)

Wheels and Tires

The stock 19-inch Style 788M wheels (19x9.0" front, 19x10.0" rear) with Michelin Pilot Super Sport tires provide excellent performance, but many owners upgrade for aesthetics or capability.

Popular aftermarket setups include:

• 19-inch upgrades: 19x9.5" front, 19x10.5" rear with 265/35R19 and 285/35R19 tires
• 18-inch track setup: 18x10" square with 275/35R18 for better sidewall and lower costs
• 20-inch show setup: For stance enthusiasts willing to sacrifice ride quality

For custom fitment expertise, ThreePiece.us specializes in three-piece wheels with precise offset calculations to achieve perfect stance without rubbing issues.

Competition Analysis

The M2 Competition faces strong rivals across different philosophies:

Porsche 718 Cayman GTS/GT4**: Superior handling finesse and steering feel, but less straight-line performance and no rear seats. The mid-engine layout provides better balance, but the M2C offers more power and practicality at a lower price point.

Audi RS3/TT RS**: AWD traction gives launch advantages, and the 5-cylinder engine sounds incredible. However, the M2C provides more engaging RWD dynamics and better steering communication.

Toyota GR Supra: Shares BMW DNA with the B58 engine but lacks rear seats and has a tighter interior. The M2C offers more space and the superior S55 powerplant.

The M2 Competition often wins comparisons as the best all-arounder – it might not be the sharpest tool in any single category, but as a total package of performance, engagement, practicality, and tuning potential, it's incredibly compelling.

Ownership Reality

The Good:

• Epic performance and handling that inspires confidence
• Compact size with surprising practicality
• Solid build quality and excellent interior materials
• Strong community support and aftermarket options
• Excellent resale value retention

The Challenging:

• Firm ride quality on rough surfaces
• Engine sound character can be polarizing (raspy vs melodious)
• Fuel economy averages 16-20 MPG with spirited driving
• Premium maintenance costs typical of M cars
• Limited rear seat space for adults

Common Issues:

• Crank hub spinning risk on heavily tuned/abused engines
• OPF filters on European models reduce sound and response
• Paint chips easily on front end (clear bra recommended)
• Brake squeal with performance pads when cold

Maintenance follows BMW's condition-based service intervals, with oil changes every 10,000 miles (enthusiasts often do 5,000-7,000 miles). Annual service costs around $250 at dealers, with consumables like brake pads ($400 front) and tires ($1,300 for four Michelin PS4S) representing the major expenses.

Who Should Buy One

The M2 Competition is perfect for enthusiasts who want:

• A daily-drivable sports car with serious performance
• Manual transmission option in a modern package
• Extensive modification potential
• Compact size for urban environments
• Strong resale value and future collectability
• Track capability without dedicated track-car compromises

When to Skip It

Consider alternatives if you need:

• Comfortable ride quality for long commutes
• Four-door practicality for regular passengers
• All-weather capability (RWD + summer tires = winter challenges)
• Minimal maintenance costs
• Latest infotainment and driver assistance technology

Final Verdict

The BMW M2 Competition represents the pinnacle of the driver-focused sports car. By transplanting the M3/M4's heart into the smallest M chassis, BMW created something truly special – a car that delivers supercar performance in a package you can live with every day.

The S55 engine truly makes all the difference, transforming the M2 from merely quick to genuinely ferocious. Whether you keep it stock and enjoy its factory balance or tune it into a giant-slaying monster, the M2 Competition rewards every mile with pure driving joy.

In an era of increasing electrification and complexity, the M2 Competition stands as a modern classic – the last of its kind offering manual transmission, rear-wheel drive, and a twin-turbo inline-six without hybrid assistance. It's a car that reminds us why we fell in love with driving in the first place.

Bold, brash, and utterly brilliant, the BMW M2 Competition is a must-buy for any enthusiast seeking the ultimate balance of performance, practicality, and passion. This is the kind of car that doesn't just transport you – it transforms every drive into an occasion.