Makes › BMW › Z1 · Rare production · 1988–1991 Limited Production
BMW
Z1
Plastic-panelled roadster with drop-down doors, built by BMW Technik.
Photo: MrWalkr · CC BY-SA 4.0
Contents
01Overview
At a glance
- Built
- 8,000 Built
- Years
- 1988–1991
- Engine
- Front-mounted inline six, SOHC, tilted 20 degrees to the right, set far back towards the centre of the car · 2,494 cc / 2.5 LFactory: 2,494 cc
- Power
- 128 kW / 173 PSFactory: 171 hp · converted
- Top speed
- 225 km/hFactory: 225 km/h
- Body
- Not yet verified
- Designer
- Harm Lagaay (design chief) with Ulrich Bez (head of BMW Technik GmbH)
- In this archive
- Not yet verified
- Surviving
- Not yet verified
Sources and any conflicting figures are in the sections below.
Why it matters
The Z1 was the first product of the newly founded BMW Technik GmbH and was meant to refresh the company image with a modern two-seat roadster. Its electrically driven doors that drop into the sills, its zinc-coated steel structure and its removable plastic body skin set it apart from every other BMW of its time. Only 8,000 were built, unusually few for a BMW of the period.
How rare is it?
Six separate kinds of rarity – never combined into one number.
Each kind of rarity is rated separately and never combined.
Photos
Exterior, interior and detail photos with their licences.
BMW Z1 (Wikimedia Commons: BMW Z1)
Photo: MrWalkr · CC BY-SA 4.0
BMW Z1 (Wikimedia Commons: BMW Z1)
Photo: Calreyn88 · CC BY-SA 4.0
BMW Z1 (Wikimedia Commons: BMW Z1)
Photo: Calreyn88 · CC BY-SA 4.0
BMW Z1 (Wikimedia Commons: BMW Z1)
Photo: Calreyn88 · CC BY-SA 4.0
02Production & history
Production
Every figure says what it counts.
| What is counted | Figure | Basis | Status |
|---|---|---|---|
| Total model productionZ1 built October 1988 – June 1991 | 8,0001 | Factory production | Independently researched |
Independent counts (e.g. engine and colour) are never combined into a calculated figure. Surviving examples are never presented as original production.
History
Management decided in early 1985 to build a two-seat sports roadster, and the work went to BMW Technik GmbH. Harm Lagaay, hired from Ford of Europe, became design chief under Ulrich Bez, who headed the new division. A working prototype existed within a year, using engine, drivetrain, front suspension and interior parts from the 3 Series. The production car was shown at the 1987 Frankfurt show, and BMW planned to build 5,000 on a dedicated line in Munich.
Production began slowly in 1988 with 58 cars, and customer deliveries started in March 1989. BMW claimed 5,000 confirmed orders at the launch, but demand fell short because many buyers were investors rather than drivers. Production was curtailed in favour of more profitable models and ended in summer 1991, after 8,000 cars plus 12 pre-production units.
Variants
How each version differs from the standard Z1.
No variants documented yet. Have a source? Contribute it.
03Specifications
Technical specifications
Engine
| Engine family | Not yet verified |
|---|---|
| Engine code | Not yet verified |
| Layout | Front-mounted inline six, SOHC, tilted 20 degrees to the right, set far back towards the centre of the car2,3 Independently researched |
| Displacement | 2,494 cc / 2.5 LFactory: 2,494 cc3 Independently researched |
| Bore | Not yet verified |
| Stroke | Not yet verified |
| Compression ratio | Not yet verified |
| Valvetrain | 2 valves per cylinder, SOHC4 Independently researched |
| Fuel system | Bosch Motronic fuel injection4 Independently researched |
| Induction | Naturally aspirated4 Independently researched |
| Power | 128 kW / 173 PSFactory: 171 hp · converted3 Independently researchedRating standard not stated by the auction house. |
| Power at | 5,800 rpm4 Independently researched |
| Torque | 222 NmFactory: 222 Nm4 Independently researchedPeak at 4000 rpm. |
Transmission & drivetrain
| Gearbox | Manual3 Independently researched |
|---|---|
| Gears | 53 Independently researched |
| Driven wheels | Rear4 Independently researched |
Chassis, body & dimensions
| Chassis | Hot-galvanised steel monocoque / unit construction2,3 Independently researched |
|---|---|
| Front suspension | Independent, single-pivot struts with anti-roll bar3 Independently researched |
| Rear suspension | Independent, single longitudinal arm and double transverse arm, separate springs and telescopic dampers, anti-roll bar3 Independently researched |
| Brakes | Four-wheel disc brakes with ABS3 Independently researched |
| Steering | Not yet verified |
| Body construction | Demountable injection-moulded thermoplastic body panels3,2 Independently researchedUltimatecarpage calls the body glass-reinforced plastic; the auction description says thermoplastic. |
| Wheelbase | 2,450 mmFactory: 2,450 mm3,2 Independently researched |
| Length | Not yet verified |
| Width | Not yet verified |
| Height | Not yet verified |
| Front track | Not yet verified |
| Rear track | Not yet verified |
| Kerb weight | 1,290 kgFactory: 1,290 kg4 Independently researchedSource gives only 'Weight'; kerb or dry basis not stated. |
| Dry weight | Not yet verified |
Performance
| Maximum speed | 225 km/hFactory: 225 km/h4 Independently researched |
|---|---|
| 0–100 km/h | Not yet verified |
| 0–60 mph | 7.9 s4 Independently researched |
| Fuel tank | Not yet verified |
“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.
04Colours & options
Factory colours & interiors
Original paint and trim, with the number of cars in each where a source gives it.
Not yet documented. Have a source? Contribute it.
Factory options & codes
Codes are shown exactly as written by the manufacturer.
Not yet documented. Have a source? Contribute it.
05Individual cars
Chassis register
Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.
Not yet documented. Have a source? Contribute it.
Competition history
Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
Auction & sale history
Documented public sales of the individual cars. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
See one in person
Museums where an example of this car can be seen.
No example is documented on public display yet. Have a source? Contribute it.
06Reference
Identification guide
How to tell an original from a replica or later conversion.
A Z1 has doors that retract downwards into the sills and a galvanised steel inner structure covered by demountable, injection-moulded thermoplastic body panels. It rides on alloy wheels made only for the Z1 and has a 2,450 mm wheelbase. The sources disagree on the paint range: the auction description says four colours, while the build statistics page lists six (Dream-black, Ancient-green, Fun-yellow, Magic-violet, Top-red, Pur-blue).
Sources
Each number links to the exact facts it supports.
-
1
Supercar Nostalgia – BMW Z3 M Roadster & Z3 M Coupé (history section on the Z1) Level C
- 8000 Z1 built October 1988 – June 1991
-
2
BMW Z1 Level C Ultimatecarpage.com (Wouter Melissen)
- six in line engine tilted 20 degrees to the right
- hot galvanized monocoque chassis
- body constructed from glass reinforced plastic
- wheelbase of just 2450 mm
-
3
1990 BMW Z1, lot 138 Level C not stated · RM Sotheby's · 2017-10-10
- engine set far towards the centre of the car
- 2,494 cc SOHC six-cylinder engine
- 171 bhp, 2,494 cc SOHC six-cylinder
- five-speed manual transmission
- entire steel inner structure coated with zinc
- independent front suspension with single-pivot struts and anti-roll bar
- single longitudinal arm, double transverse arm, separate springs
- four-wheel disc brakes with ABS
- demountable injection-moulded thermoplastic body panels
- Wheelbase: 2,450 mm
-
4
BMW Z1 Level C not stated · Ultimatecarpage.com · 2004-12-13
- 2 valves / cylinder, SOHC
- Bosch Motronic Fuel injection
- Naturally Aspirated
- 170 bhp / 127 KW @ 5800 rpm
- 222 Nm / 164 ft lbs @ 4000 rpm
- Rear wheel drive
- 1290 kilo / 2844 lbs
- 225 km/h / 140 mph
- 0-60 mph Acceleration 7.9 s
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