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BMW B38 1.5-Litre IL3 Gasoline Engine Design Benchmark Report


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This report covers a detailed design benchmarking study of the BMW B38 1.5-litre 3-cylinder gasoline engine.

Product Description

The BMW B38 is a 1.5-litre DOHC 3 cylinder gasoline engine with the world’s first aluminium, water-cooled integrated exhaust manifold turbine housing. The engine is part of the BMW modular engine strategy for gasoline and diesel engines, all using same bore spacing, sharing up to 40% of its architecture with the 1.5-litre B37 diesel engine.

This variant of the B38 engine is the ‘Twin Power’ B38A15A, installed in the 2014 model year MINI Cooper Mark 3, and has a maximum power of 100kW (136hp) at 4500-6000rpm and a maximum torque of 220Nm at 1250 –4000 rpm.

Main engine features include:

  • High precision direct injection,
  • All-alloy construction
  • High compression ratio of 11:1,
  • BMW Valvetronic®,
  • Gear driven balance shaft,
  • Rear timing chain drive system,

BMW B38 Sample

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