Skip to ContentSkip to Footer
  • Reviews
  • News
  • Top 10s
  • Tyres & tech
  • Supercars
  • Electric cars
  • Magazine
  • Shop
  • Trackdays
  • Car Valuation
Find a car review
Make
  • Abarth
  • Acura
  • Alfa Romeo
  • Alpina
  • Alpine
  • Ariel
  • Aston Martin
  • Audi
  • BAC
  • Bentley
  • BMW
  • Bugatti
  • BYD
  • Cadillac
  • Caparo
  • Caterham
  • Chevrolet
  • Chrysler
  • Citroen
  • Corvette
  • Cupra
  • Dacia
  • Dodge
  • Donkervoort
  • DS
  • Elemental
  • Ferrari
  • Fiat
  • Fisker
  • Ford
  • Genesis
  • Ginetta
  • GMA
  • Hennessey
  • Honda
  • Hyundai
  • Infiniti
  • Jaguar
  • Jeep
  • Kia
  • Koenigsegg
  • KTM
  • Lamborghini
  • Lancia
  • Land Rover
  • Lexus
  • Lotus
  • Lucid
  • Maserati
  • Mazda
  • McLaren
  • McMurtry
  • Mercedes
  • MG
  • MINI
  • Mitsubishi
  • Morgan
  • Nissan
  • Pagani
  • Peugeot
  • Piech
  • Pininfarina
  • Polestar
  • Porsche
  • Praga
  • Radical
  • Renault
  • Rimac
  • Rolls-Royce
  • Saab
  • SEAT
  • Singer
  • Skoda
  • Smart
  • Subaru
  • Suzuki
  • Tesla
  • Toyota
  • TVR
  • Vauxhall
  • Volkswagen
  • Volvo
  • Zenos
Model
Skip advert
Advertisement
Spy shots
  • Home
  • BMW

BMW M4 mule with aero mods caught in testing – pictures

BMW M4 mule with aero mods caught in testing

by: EVO team
12 Apr 2021
Go to: BMW M4 CSL revealed – M Division eyes the Porsche 911 GT3
  • BMW M4 CS prototype 2021 - front quarter
  • BMW M4 CS prototype 2021 - rear quarter
  • Skip advert
    Advertisement - Gallery continues below
  • BMW M4 CS prototype 2021 - front
  • BMW M4 CS prototype 2021 - rear
  • Skip advert
    Advertisement - Gallery continues below
  • BMW M4 CS prototype 2021 - profile
  • BMW M4 CS prototype 2021 - rear quarter
  • Skip advert
    Advertisement - Gallery continues below
  • BMW M4 CS prototype 2021 - rear

Recommended

Alexander Karajlovic takes over as BMW M VP for development
Alexander Karajkovic
News

Alexander Karajlovic takes over as BMW M VP for development

As Dirk Häcker enters retirement, BMW M now has a new boss…
12 Dec 2025
Forget the M5 Touring, the BMW Speedtop is the ultimate V8 estate
BMW Concept Speedtop
News

Forget the M5 Touring, the BMW Speedtop is the ultimate V8 estate

The ultra-exclusive BMW Concept Speedtop makes an M5 Touring look ordinary, and we've taken a closer look at the 2025 Japan Mobility Show
29 Oct 2025
BMW's cheapest performance car now has Audi RS3 power for £13,000 less
BMW M240i xDrive
News

BMW's cheapest performance car now has Audi RS3 power for £13,000 less

Munich’s popular 3-litre straight-six has been given an update for 2026, making BMW’s M-lite range even more competitive than before
24 Sep 2025
The EU is considering banning carbonfibre, but BMW has other ideas
BMW natural fibre composite
News

The EU is considering banning carbonfibre, but BMW has other ideas

BMW has developed a new type of eco-friendly composite, just as European Parliament has proposed limiting the use of carbonfibre in road cars
23 Jun 2025

Most Popular

Lamborghini v Morgan: An unlikely battle made for the ultimate eCoty drive
John Barker evo Car of the Year
Opinion

Lamborghini v Morgan: An unlikely battle made for the ultimate eCoty drive

A hybrid V12 supercar and a traditional British sports car. Unlikely foes that both thrill on the Route Napoléon
27 Dec 2025
Was it a mistake to include a Land Rover in a test amongst flagship supercars?
Octa
Opinion

Was it a mistake to include a Land Rover in a test amongst flagship supercars?

The lineup for this year's biggest performance car test was varied to say the least, and one contender stood out from the get-go
28 Dec 2025
Andreas Preuninger on 25 years of perfecting the Porsche 911 GT3
Andreas Preuninger
Features

Andreas Preuninger on 25 years of perfecting the Porsche 911 GT3

The Porsche 911 GT3 went from near-anonymous homologation special to the world’s most coveted sports car. Here’s how
26 Dec 2025
Skip to HeaderSkip to Content
  • About Us
  • Contact Us
  • Cookie Policy
  • Privacy Policy
  • Auto Express
  • Carbuyer
  • Driving Electric
  • Social
  • Fake Reviews Policy
  • Terms & conditions
  • Privacy Preferences

Subscribe to evo magazine

Try 3 issues for just £5
Subscribe nowSubscribe now

© Copyright Carwow Studio Limited 2025. All rights reserved. evo™ is a registered trade mark. Carwow Studio Limited is part of the Carwow Group.

Follow us on FacebookFollow us on TwitterFollow us on YouTubeFollow us on Instagram
Advertisement