BMW M3 2017 Engine Code Breakdown: Power, Performance & Key Specifications
Unlocking the power behind the BMW M3 2017 begins with understanding its engine code—a critical clue to its performance, tuning options, and driving dynamics. For enthusiasts and technicians alike, knowing the exact engine code ensures precise maintenance and optimization.
The Core Engine Code: S55 B38 and M3’s Performance Foundation
The 2017 BMW M3, primarily powered by the S55 inline-six engine (code: M337 in some configurations, but commonly referred to as S55 B38), delivers a robust 425 horsepower in base models and up to 503 hp in the M3 Competition. This naturally aspirated 3.0-liter engine operates at high revs, offering responsive acceleration and a refined exhaust note—hallmarks of BMW’s M performance lineage. The M337 variant, used across multiple generations, ensures reliability and compatibility with high-performance upgrades.
Decoding Power: M3 Engine Specifications and Tuning Potential
The M337 engine in the BMW M3 2017 delivers 425–503 hp depending on variant, paired with a 6-speed manual or 8-speed automatic transmission. With a compression ratio of 10.0:1 and precision fuel injection, it balances efficiency with peak performance. The modular design allows for tuning, enabling owners to push output beyond factory limits while maintaining drivability. Cold-weather performance, oil flow optimization, and intake upgrades further enhance reliability and responsiveness.
Key Technical Details and Engine Code Variants
While the primary engine code reference is M337, some M3 models feature regional or specification-specific codes like E90 M3 (internal designation E90-based S55). The 2017 model year primarily uses the B38 engine designation in technical documentation, though M337 remains the standard nomenclature. Engine performance varies slightly across trims—base M3 offers 425 hp; M3 Competition delivers 503 hp with enhanced camshafts and revised intake systems. Understanding these codes helps in sourcing genuine parts, tuning, and maintaining factory standards.
Mastering the BMW M3 2017 engine code empowers owners and mechanics to maximize performance, ensure accurate repairs, and pursue customization with confidence. Whether you're preparing for track days or daily driving, knowing your S55 B38 (or M337) engine code is essential. For expert guidance and genuine parts, visit trusted automotive sources today.
These code systems help keep planning and development organized and avoids confusion. BMW engines are known by their M, N, B, S, P, or W codes while BMW chassis and bodies are known by their E, F, G, or U codes. BMW Engine Codes The engine codes used to be quite simple - M10 for four cylinder, M20 for small six cylinder, and M30 for the Big Six.
BMW Engine Codes You may come across many acronyms and short hand "codes" while shopping for parts for your BMW. The BMW E-chassis and F-chassis codes are obvious. But another code refers to the type of engine used in your BMW.
BMW engines evolve from one generation to the next but generally derive from one original design. For example, the inline-6 cylinder engines in the E34, E36, E39, E46. BMW Fault Code Lookup Enter a BMW fault code (P or hex), complete the captcha, and click "Search" P-Codes will start with a P and are usually generated by generic scanners.
Example: P1055 Hex Codes are typically given by more advanced scanners. Examples: 180101 or 1B9308 or 30FF. List of BMW Engines The table below includes the engine code, the number of cylinders, the engine volume, the number of valves, the horsepower range, torque, the BMW model of the motor on which it is installed, the time period of use of a particular engine and many other important information.
Popular BMW 3 Series (incl. M3) fault codes along with an explanation of their meanings. Find out what you can do next to solve the problem you are experiencing.
2017 BMW M3 Engine Options & Parameters What engine does a 2017 BMW M3 have? It all depends on the trim level. To determine which engine is used in your 2017 BMW M3, locate the VIN (found in the owner's manual, under the hood, or on the windshield or driver's side door), write it down, and decode it online. BMW Fault Codes (DTCs) Below is a comprehensive listing of BMW DTCs and the corresponding SAE P-codes.
Table a. Diagnostic trouble codes (DTCs). Explore BMW engine codes with details on size, cylinders, horsepower, torque, and model years for easy reference up to 2001.
The check engine light on your 2017 BMW M3 will frequently shut itself off if the issue or code that caused it to turn on is fixed. For instance, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will quickly turn itself off. The lightweight version was at least 200 pounds lighter than M3 sports standard version.
These M3 sport versions were fitted with track suspensions, aluminium doors and bunch of powerful engines. These engines were based on S Series of BMW engine line.