The homologation coupe that founded BMW Motorsport, won six European touring-car titles, and shipped its rear wing loose in the boot because it was illegal on German roads. Long overlooked next to its trophy cabinet, and climbing.
The car
The 3.0 CSL was the coupe that turned BMW into a motorsport company. BMW Motorsport GmbH, the ancestor of today's M division, was founded in 1972 to build it, and the blue, violet and red stripe that now runs across every M car first appeared on the CSL in 1973. On the track it was untouchable: the European Touring Car Championship in 1973 and every year from 1975 to 1979, losing the title only once in that run. CSL stands for Coupe Sport Leichtbau, light construction, and the road cars existed to make the racing legal.
The Batmobile
The final 1973 cars wore the full aero kit, a deep front dam, fins along the wings, a roof spoiler and a tall rear wing, and the look earned them the Batmobile name. The wing was illegal on German public roads, so BMW shipped it loose in the boot for the owner to bolt on. Aluminium doors, bonnet and boot, Perspex side windows and deleted sound-deadening dropped the light Continental cars to around 1,165 kilograms. UK buyers, at the importer's insistence, kept their electric windows and carpet, and the weight that came with them.
The numbers and the money
A straight-six of three litres, later 3.2 and around 206 horsepower, nought to a hundred in under seven seconds. For decades the CSL sat in the shadow of its own trophy cabinet. A road Batmobile was about ninety-six thousand pounds in 2011; good to excellent cars now run roughly two hundred and fifty to five hundred and fifty thousand dollars, with genuine full-aero and race-provenance cars far above that, past a million for the best works-linked examples. Values have broadened and climbed. It still undercuts the Porsche 911 RS 2.7 it raced against, which is the buy-case.
What to watch
There is no rust-free E9. Check the front shock towers, the sills and rocker boxes, the bases of the A-pillars, and the seams where the aluminium panels meet the steel body, where galvanic corrosion does its work. Then authenticity: CSi cars dressed as CSLs, and Batmobiles assembled from reproduction aero. Verify the aluminium panels, the Perspex, the correct wing and the matching numbers. Documentation is the difference, and race history has to be proven rather than asserted.
At a glance
The TGC view
The Collector's Drive is for cars that marked their time and have held or gained since. The CSL is a giant of touring-car history the market long priced below its rivals, and that gap has been closing. We point clients toward the genuine full-aero cars with documented history, and the specialists who tell them from the dressed-up ones.
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We hold the relationships, the rooms and the access. Tell us the dates and we handle the rest.
Front wheel drive, inboard discs, no clutch pedal, a drag coefficient of 0.355 and Car of the Year for 1968. Then the engine failed under warranty and took the company with it. German dealers ask about fifteen thousand euros.
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