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Bilstein gives tips on shock absorber diagnosis

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Illustrative example of a monotube shock absorber

The mechanics of shock absorbers are often more complex than expected.

Not always easy to recognize: A tapered shape usually indicates a twin-tube shock absorber.

Bilstein launched the first monotube gas pressure shock absorber in 1954.

The working chamber filled with oil and the gas chamber are separated by a separating piston.

The two-pipe principle is older than the single-pipe variant.

The operation of the amplitude-selective "DampMatic" system is demonstrated here.

Like other German manufacturers, BMW is also supplied with shock absorbers by Bilstein.