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Details:
2021 BMW M4 Competition (RWD) – Modifications
Performance
Custom tuned by Auto Running House
Flex-fuel style E85/93 octane mix tune
Producing approximately 700 HP
Full titanium exhaust system
RK Autowerks titanium intake system
RK Autowerks titanium front strut brace
RK Autowerks billet crank hub capture
RK Autowerks billet oil cap
RK Autowerks billet coolant reservoir cap
Carbon fiber engine cover
Suspension
Upgraded suspension
Exterior
Genuine carbon fiber hood professionally paint matched (underside remains exposed carbon fiber)
Genuine carbon fiber trunk
Full front-end Paint Protection Film (PPF)
Carbon fiber roof protected with PPF
OEM BMW CSL taillights (taken from a genuine CSL, not aftermarket replicas)
CSL taillights protected with PPF
Upgraded headlights with CSL-style yellow DRLs
Carbon fiber front lip
Carbon fiber side skirts
Carbon fiber rear diffuser
Carbon fiber rear bumper spats
Carbon fiber mirror caps
Carbon fiber hood vents
Black kidney grilles
Smoked front reflectors
Black side fender trim
Ceramic window tint
Interior
Carbon fiber steering wheel
Carbon fiber paddle shifters
Carbon fiber center console trim
Carbon fiber seat backs
Carbon fiber door sills
Fiona Red Merino leather interior
Carbon bucket seats
Factory Options
Carbon fiber roof
Carbon bucket seats
Executive Package
360° cameras
Front and rear parking sensors
Highlights
Professionally built and tuned by Auto Running House, a highly reputable BMW performance shop.
Runs on an E85/93 blend and produces approximately 700 HP.
Genuine OEM BMW CSL taillights (not aftermarket).
Genuine carbon fiber hood professionally paint matched while retaining the exposed carbon fiber underside.
Full titanium exhaust with premium RK Autowerks titanium engine bay upgrades.
Full front-end PPF, plus PPF on the carbon roof and OEM CSL taillights for added protection.
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- Last Update: August 10, 2026
- Date Listed: August 10, 2026
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