Lotus Europa S2 1965

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BMW Z1 is a unique Car!

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BMW Z1

The BMW Z1 is the first model in BMW's line of 2 seater convertible , and was produced in 8.000 run only from 1989 to 1991.

The Z1 is unique for its plastic body panels and vertically sliding which drop into the door sills. It is one of the first BMWs to use a multi-link rear suspension. The sole drivetrain specification is the 2.5-litre straoght 6-cylinder e and 5-speed manual transmission from the E30 325i.

Quality, not quantity

In addition to the unique door design, the Z1 body featured several other innovations: removable plastic body panels, a flat undertray, a roll-hoop integrated into the windscreen surround and continuously zinc welded seams.[7][8][9]

The side panels and doors are made ofXenoy Thermoplastic.The bonnet, boot, and roof cover are GRP components made by Seger + Hoffman AG. The car is painted in a special flexible lacquer finish developed jointly by AKZO Coatings and BMW Technik GmbH. During the Z1s launch, BMW suggested that owners purchase an additional set of body panels and change the color of the car from time to time. The car could actually be driven with all of the panels completely removed, similar to the Pontiac Fiero. BMW noted that the body could be completely replaced in 40 minutes, although Z1 owners have reported that this may be highly optimistic.

Aerodynamics were a focus of the vehicle design. The flat plastic undertray is used for ground aerodynamics effect and the rear bumper - in conjunction with the aerodynamically shaped muffler - forms a diffuser to reduce rear lift.The front end reportedly induces a high-pressure zone just forward of the front wheels to increase front-wheel traction.[11] The Z1 has a drag coeficient of 0.36 Cd with the top up or 0.43 Cd with it down.