Identify Compression Problems: Accurately detects and measures cylinder leakage to locate problem areas, allowing for quick diagnostics and repairs. Precise Leakage Measurement: Reads exact leakage levels with a capacity range of 0–7 bar, maintaining 7 bar during pressurization for reliable inspection. Versatile Adapters Included: Comes with M10×1.0, M12×1.25, M14×1.25, and M14×1.25 extra-long adapters, plus specialized compression test adapters for 12mm and 14mm spark plugs. Vehicle Compatibility: Suitable for BMW 335i (E90, N54 engines), BMW Mini Cooper, Mercedes-Benz AMG M156, Peugeot 207/307, Renault 1.2 16V, and V6 or 16V engines with deep-seated spark plugs. High-Quality Components: Features a 25" rubber hose with 14mm and 18mm spark plug adapters, providing secure fit and durability. Wide Model Coverage: Ideal for BMW models including 135i, 1M, 335i, X6 xDrive35i, Z4 sDrive35i, and 740i across model codes E60, E81, E82, E88, E89, E90, E91, E92, E93, F01, and F10, from 2006 to current models.