How much is a BMW E9 3.0 CS worth in 2026?

The BMW E9 rewards the collector who approaches it with precision, and I first encountered a correctly restored 3.0 CSi in the collection of a marque specialist in the East Bay who had spent two years sourcing period-correct Scheel bucket seats and the original radio. The car demonstrated immediately why the E9 is considered the high-water mark of pre-M BMW road car design — the Karmann coachwork is genuinely exceptional for its period, and the SOHC inline-six engine remains one of the most characterful units BMW ever produced.

E9 Variants and Their Values

The E9 family spans seven years and multiple engineering specifications. The 2800 CS (1968–1971) used the 2.8-litre M30 six producing 170 hp — beautiful and characterful, but lower-valued than the larger-engined cars. The 3.0 CS (1971–1975) with 180 hp and the 3.0 CSi with Bosch D-Jetronic fuel injection producing 200 hp are the core collector cars. The CSA — a US-only emissions-compliant version with reduced power — is the least sought. The CSL (Coupé Sport Leicht) is in a category entirely its own.

The Karmann Build Quality Question

The E9 was assembled by Karmann (the coachbuilder also responsible for the VW Karmann Ghia and the Porsche 914) rather than BMW's main Dingolfing facility. Build quality is generally considered superior to many contemporary German cars — the shut lines on a well-preserved E9 are remarkable for the era. However, Karmann's process used thinner steel gauge in several body areas, and rust in the sill sections, wheel arches, and under the battery tray is a serious inspection concern on cars that lived in northern climates or coastal areas without proper preservation.

"The E9 is the BMW that the collector market has been rediscovering for the past decade. Karmann's coachwork, the M30 six at the right rev range, and a design by Wilhelm Hofmeister that still looks correct fifty years later — it's worth the effort to find a good one."

— Emily Chen