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Z1 Rodster

one of the most interesting constructions BMW of the end of the 80th - model Z1.

Designer- designers with the creation of this model used the most uncommon engineering solutions: body BMW Z1, assembled around the steel zinc-coated body, is equipped with floor from the composite plastic materials and panels from thermoplastic. In the machine are established the extensible doors, which are retracted into the deep apertures by one pushing of knob, which immediately changes automobile into the open cabriolet; elastic, compact sidewalls contribute to an improvement in the dynamic characteristics Z1, other also next ensured adaptations, such as concave well-made the top, which plays the role of spoiler.

Automobile uses aggregates from 32п E30: engine M20B25 with a power of 170 hp, transmission, the knots of front suspension. Rear suspension is specially designed for Z1.

All aggregates they are attached to the three-dimensional frame, in this case the engine is located in the base - behind the front axle; drive - to the rear wheels.
Weight distribution over the axes - 49% is in front even 51% from behind.
To the same frame are attached plastic body panels.
In spite of the wide application of a plastic in the construction of machine, it not only did not become more easily a53 in comparison with the "donor", but even it added in the weight: 1250 kg against 1180 in 32п.

Pravda, speed characteristics, because of more winning aerodynamics, in "rodstera" nevertheless are better: acceleration 0-100 km/h for 7,9 s (8,3 in 32п), the maximum speed of 225 km/h (218, respectively).
But, nevertheless, that this for the sport two-place automobile, which only to 7 km/h is more rapid than the equipped with analogous motor 4- door "sedan"? Especially because the first are collected practically by hand - 6 pieces during the day (in all from the end 1988- GO on 1991 they did gather about 8000 pieces), i.e., does pretend on the certain halo of eksklyuzivnosti? If you nurse on the sites, which mention BMW Z1, practically everywhere you will meet with observation about the nonconformity of image and of power unit: this chassis requires more serious motor!
These wishes were heard, and practically all basic tyuningovye studio, which are occupied BMW, they introduced into their Price- sheet of service on finishing Z1 - from "tuning" of series motor to the implantation of new.

In this way it went and "Kelleners- sport", which proposed to clients in 1995 for the installation in Z1 the motor of a series "S50" from model M3 3,0 E36 1993-96 was annual release. By the way, mass distribution over the axes practically did not change and even it became better: 50/50. work on the motor installation and associated operations occupies about 4 weeks. Modernization concerns steering control, cooling system and suspensions.

If client wants to obtain more than standard 286 hp, the versions of further finishing two.
The first. Installation of special exhaust system and the reprogramming of the control unit of motor. Increase in 7 l. s.
The second. The first stage is included, furthermore: the replacement of tappet shafts to the new, that ensure larger valve lift, again the reprogramming of the system of engine control, the installation of forged pistons, an increase in the compression ratio, working the head of cylinder block. As a result - 330 l. s.
KPP is not substituted - standard completely manages the increased loads.

Based on materials of site on "BMW Z1"/".bmw Z3"
(c) Andy Smirnov, 2:5030/925

P.S. price of these automobiles, in 2002, there was about 20 thousand i.
V of Russia these automobiles also they are encountered, although it is extremely rare. At least one was noted in the environs of Rostov:)

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