What is engine capacity or cc or cubic capacity or displacement of BMW Z4 car?
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| BMW Z4 Variants | Displacement(cc) |
|---|---|
| BMW Z4 sDrive35i | 2979 |
| BMW Z4 sDrive 35i | 2979 |
| BMW Z4 sDrive 35i DPT | 2979 |
Engine Capacity or Cubic Capacity or Displacement is the volume swept by all the pistons inside the cylinders of a reciprocating engine in a single movement from top dead centre (TDC) to bottom dead centre (BDC). It is commonly specified in cubic centimetres (cc or cm3), litres (l), or (mainly in North America) cubic inches (CID). Since 'cc' stands for cubic centimeters, everyone regards it to be the volume of cylinder. But actually it is the Displacement volume of a cylinder (in case of single cylinder engine). In other words it is the volume of the piston travel from TDC to BDC. It does not includes the clearance volume or the volume of the combustion chamber. The cylinder volume for a single cylinder engine is higher than the 'cc' of the engine. A 1150cc engine basically means that the sum of the displacement volumes of all the cylinders is 1150cc. Also the 'cc' specification for any engine is rounded off to nearest value. It is never exact. For example, Maruti 800 had 796cc engine but it was always regarded as an 800cc engine car.