How much horsepower does the BMW Z4 M40i have?

The BMW Z4 M40i produces up to 382 hp (285 kW).

How quick is the BMW Z4 M40i from 0-100 km/h?

The BMW Z4 M40i accelerates from 0-100 km/h in as little as 4.4 seconds.

What is the top speed of the BMW Z4 M40i?

The BMW Z4 M40i has a top speed of 155 mph (250 km/h).

Final year· 2026

Cars/BMW/BMW Z4 M40i

BMW Z4 M40i

G29 generation2019 – 2026RoadsterHeart

Two-seat roadster with a soft top and straight-six biturbo, the M Performance crown jewel of the regular range.

01 · The lineup

Every family in the current generation

Grouped by family. Click any trim to see the full spec.

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02 · From the news desk

What's new on the BMW Z4 M40i

Reveals, rumors, and reviews touching this model or its current generation.

Bovensiepen Spider: the Z4 M that BMW never built, 99 times over

News

Sep 10, 2026

Bovensiepen Spider: the Z4 M that BMW never built, 99 times over

Bovensiepen, the company Alpina's founding family kept after BMW bought the Alpina name, has revealed its third model. The Spider is a BMW Z4 reworked to 320 kW and 580 Nm, 4.2 seconds to 100 km/h and 260 km/h, or 295 km/h with the Performance Package. Frank Stephenson designed the exterior parts, production is capped at 99 hand-built cars from 115,500 euros in Germany, and deliveries start at the end of Q1 2027.

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