BMW piston sizes - Size charts

marka model piston sizes

Below is data on piston parameters for modifications of cars of different years of manufacture.

Main piston parameters:

Piston parameters include more than 15 sizes, the main ones are as follows:

Diameter: nominal piston diameter;
Height: piston height;
Compression height;
Groove height: first and second ring groove height;
Oil control ring groove height;
Cylinder gap: acceptable gap between cylinder and piston ring;
Piston pin diameter;
Ring height.

Note:

When piston is worn out, the gap between skirt and cylinder, piston upper groove erasing, skirt scoring, cracks and deformation of partitions between rings may occur.

Important: item parameters and sizes of different manufacturers can slightly differ.

Piston - full drawing

General BMW 4er piston parameters

General view General view	Piston stroke min Piston stroke min Minimum value of parameter Piston stroke for all marka model modifications. Data is given in (mm).	Piston stroke max Piston stroke max Maximum value of parameter Piston stroke for all marka model modifications. Data is given in (mm).	Modifications Total number of all marka model modifications presented in our database
(General view)	84 (mm)	90.1 (mm)	53

marka model piston parameters

Parameter Piston parameter Data is given for cars of various modifications and years of manufacture	Value Piston value Data is given for cars of various modifications and years of manufacture
418d 2.0d AT (2014 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.1
418d 2.0d MT (2014 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.1
420d 2.0d AT (2014 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420d 2.0d MT (2014 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420d xDrive 2.0d AT 4WD (2014 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420d xDrive 2.0d MT 4WD (2014 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420i 2.0 AT (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
420i 2.0 MT (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
420i xDrive 2.0 AT 4WD (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
420i xDrive 2.0 MT 4WD (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
428i 2.0 AT (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
428i 2.0 MT (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
428i xDrive 2.0 AT 4WD (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
428i xDrive 2.0 MT 4WD (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
430d 3.0d AT (2014 - н.в.)
Piston stroke	84 (mm)
Compression ratio	16.5
430d xDrive 3.0d AT 4WD (2014 - н.в.)
Piston stroke	84 (mm)
Compression ratio	16.5
435d xDrive 3.0d AT 4WD (2014 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
435i 3.0 AT (2014 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i 3.0 MT (2014 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i xDrive 3.0 AT 4WD (2014 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i xDrive 3.0 MT 4WD (2014 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
420d 2.0d AT (2013 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420d 2.0d MT (2013 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420d xDrive 2.0d AT 4WD (2013 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420d xDrive 2.0d MT 4WD (2013 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420i 2.0 AT (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
420i 2.0 MT (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
420i xDrive 2.0 AT 4WD (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
420i xDrive 2.0 MT 4WD (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
428i 2.0 AT (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
428i 2.0 MT (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
428i xDrive 2.0 AT 4WD (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
428i xDrive 2.0 MT 4WD (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
430d 3.0d AT (2013 - н.в.)
Piston stroke	84 (mm)
Compression ratio	16.5
430d xDrive 3.0d AT 4WD (2014 - н.в.)
Piston stroke	84 (mm)
Compression ratio	16.5
435d xDrive 3.0d AT 4WD (2013 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
435i 3.0 AT (2013 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i 3.0 MT (2013 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i xDrive 3.0 AT 4WD (2013 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i xDrive 3.0 MT 4WD (2013 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
420d 2.0d AT (2013 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420d 2.0d MT (2013 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
420i 2.0 AT (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
420i 2.0 MT (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	11.1
428i 2.0 AT (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
428i 2.0 MT (2013 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
428i xDrive 2.0 AT 4WD (2014 - н.в.)
Piston stroke	90.1 (mm)
Compression ratio	10
430d 3.0d AT (2013 - н.в.)
Piston stroke	84 (mm)
Compression ratio	16.5
435d xDrive 3.0d AT (2013 - н.в.)
Piston stroke	90 (mm)
Compression ratio	16.5
435i 3.0 AT (2013 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i 3.0 MT (2013 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i xDrive 3.0 AT 4WD (2013 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2
435i xDrive 3.0 MT 4WD (2013 - н.в.)
Piston stroke	89.6 (mm)
Compression ratio	10.2

Warning: the above data are official figures of the manufacturers, however, it should be borne in mind that the information is for reference and does not guarantee unambiguous accuracy.

Other parameters BMW 4er:

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