M20B25 compression without opening the engine?
Hi guys, is there any way to know the compression ratio of the engine, without opening it?
My car was manufactured on nov 1988, its a euro 525i, no cat. Thanks for any help.
VIN info:
Vehicle Identification Number WBAHC210904237760
Type HC21
Model 525i - EUR
Development Code E34
Chassis LIM
Steering LL
Doors 4
Engine M20
Displacement 2.50
Power 125
Drivetrain HECK
Transmission AUT
Color Royalblau Metallic - 198
Upholstery Indigo Leder - 0293
Production Plant
Production Date 1988-11-14
Options
200 Katalysator - Entfall Katalysator - Entfall
226 Sports Suspension Settings Sportliche Fahrwerksabstimmung
314 Heated Windscreen Washer Nozzles Frontscheibenwaschduesen Beheizt
355 Laminated Glass Verbundverglasung
401 Sliding/vent Roof, Electric Schiebe-hebedach, Elektrisch
411 Window Lifts, Electric Fensterheber,elektrisch Vorn/hinten
498 Headrests In Rear, Mechanic. Adjustable Kopfstuetzen Im Fond
534 Automatic Air Conditioning Klimaautomatik
553 On-board Computer Iv W Remote Control Bordcomputer Iv Mit Fernbedienung
570 Stronger Electricity Supply Staerkere Stromversorgung
651 Bmw Bavaria C Reverse Bmw Bavaria C Reverse
823 Hot Climate Version Heissland-ausfuehrung
850 Add Fuel Tank Filling For Export Zusaetzl. Tankfuellung Export
856 Language Version Spanish Sprachversion Spanisch
925 Shipping Protection Package Versandschutzpaket