Is the M42 engine reliable?
Bmw owners with an m42 dohc shouldn’t worry, as this engine won’t slow down to 300,000 miles. It can show engine failures, but it is just minor problems. The m42 dohc engine is a four-cylinder petrol engine that can produce a whopping 135 horsepower and 129 pounds per foot of torque. It is the engine used in the bmw e36. A classic sedan loved by many for its sporty appearance and reliability and is great for competitions and daily drives.The M42B18 engine features a cast-iron cylinder block, an aluminum head with a chain-driven double overhead camshafts (DOHC) and two valves per cylinder (16 in total) with hydraulic tappets. Cylinder bore and piston stroke are 84. Compression ratio rating is 10.