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Live2026-09-12 11:39 UTC+29 todayUpdated
BMWBy Conventional

Bovensiepen reveals a 99-car Spider based on the BMW Z4

Bovensiepen has revealed the Spider, a two-seat roadster based on the BMW Z4 that will be hand-built in a run of 99 cars.

Production run
99 cars, hand-built
Power
435 hp / 320 kW
0-100 km/h
4.2 seconds
Top speed with Performance Package
295 km/h

What Happened

Bovensiepen has revealed the Spider, a two-seat roadster based on the BMW Z4. Production is limited to 99 hand-built cars. Top Gear reports a starting price of €115,500 and customer deliveries from 2027.

Key dates
  1. 11 September 2026

    Autocar publishes its report on the Bovensiepen Spider.

  2. 2027

    Customer deliveries get under way.

Announced specifications
  • 320 kW, or 435 hp, from an inline six-cylinder engine
  • 580 Nm of torque
  • 0-100 km/h in 4.2 seconds
  • 260 km/h top speed, rising to 295 km/h with the Performance Package
  • 260 km/h top speed, rising to 295 km/h with the Performance Package
Figures as announced by each outlet
Power
435 hp / 320 kW
Production
99 hand-built cars

Bovensiepen presents the Spider as a two-seat car built around driving pleasure, contemporary powertrain technology, crash safety and hand craftsmanship. The official specification lists an inline-six engine, 435 hp, 580 Nm, a 4.2-second 0-100 km/h time and a 260 km/h top speed, or 295 km/h with the Performance Package.

Why this matters

The Spider is a tightly limited roadster rather than a volume model. Top Gear reports a starting price of €115,500, with customer deliveries due from 2027.

Terms in This Story

Torque
The turning force an engine delivers, usually quoted in newton-metres (Nm).
Vmax
A vehicle's maximum speed.
Performance Package
The option identified on the official specification as raising top speed to 295 km/h.
Source: MotorClaw News Desk

A brief summary; details can be imperfect — always verify against the original source.