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BMW E9 engine options

Different engine types for the BMW E9 (2.5 CS to 3.0 CSL Coupé) from 1968 to 1975

This table lists six versions of the E9 coupé built between 12/1968 and 11/1975, all powered by the 12-valve M30 inline-six petrol engine with a timing chain. The 2800 CS, 2.5 CS and 3.0 CS breathe through two Zenith carburettors, while the 3.0 CSi, CSiL and CSL switch to Bosch D-Jetronic injection. Output ranges from 150 to 206 hp, the top figure belonging to the 3.0 CSL, a 3.2-litre lightweight homologation special. Find your version in the table to order parts that match your engine.

VersionPeriodEngine codeDisplacement (L)Power (hp)FuelCarburettor / InjectionCylinders / ValvesTiming driveTorque (Nm)Remarks
2.5 CS05/1974–11/1975M302.5150Petrol2 Zenith 35/40 INAT carburettorsInline-6 / 12Chain211 @ 3700
2800 CS12/1968–03/1971M302.8170Petrol2 Zenith carburettorsInline-6 / 12Chain235 @ 3700First E9
3.0 CS04/1971–11/1975M303.0 (2986)180Petrol2 Zenith carburettorsInline-6 / 12Chain255 @ 3700
3.0 CSi02/1972–11/1975M303.0 (2986)200PetrolBosch D-JetronicInline-6 / 12Chain272 @ 4300
3.0 CSiL01/1974–11/1975M303.0200PetrolBosch D-JetronicInline-6 / 12Chain272 @ 4300
3.0 CSL09/1972–06/1973M303.2 (3153)206PetrolBosch D-JetronicInline-6 / 12Chain286 @ 4300Lightweight homologation special

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