27/02/2026
Building an E30 M3 is sacred territory, which makes this Group A–inspired example so compelling. Designed for both road and circuit use, it channels touring car DNA through carefully chosen, period-correct upgrades rather than modern excess. Engine, suspension and braking improvements sharpen the car without erasing its character.
Weight reduction and geometry tweaks give it a focused edge while keeping it usable outside the track. This isn’t a tribute built for posing — it’s a respectful evolution of one of BMW’s greatest icons.
Road and track — is this the perfect E30 M3 balance?
Tech Spec: Group A E30 M3
Engine: 2.3-litre four-cylinder S14B23, Group N engine mounts, Sport Evo 48mm throttle bodies, exhaust manifold and flywheel, DTM carbon fibre intake with 18cm primaries and carbon fibre snorkel, re-honed and balanced block, JE racing pistons, Schrick 284/276 cams, Siemens Deka 630cc injectors, Group A gasket set, Spal electric fan, Mishimoto alloy radiator, larger oil cooler, baffled sump, modified crankcase ventilation, custom twin stainless race exhaust with crossover and cat delete, Emerald K6 ECU with twin map switching
Transmission: Getrag 265 five-speed manual gearbox, fully rebuilt, C3 competition clutch and slave cylinder, Group A selector and alloy gear stick, Group N transmission mounts, Group A oil sensor, balanced propshaft, fully rebuilt diff with 4.27 final drive ratio and 25% lock-up, finned differential case, gearbox oil temperature sensor
Chassis: 8×17” (front and rear) Compomotive TH wheels with 225/45 (front and rear) Toyo R888R tyres, powder coated front crossmember, Vorshlag fully adjustable race camber/caster plates, 2.5” coil-over spring perch with single-row race bearings, Leda fully adjustable shortened front struts, Eibach 2.5×7” 500lb coil springs, Eibach 2.5” 40lb helper springs, Zone Motorsport eccentric rear wishbone racing bushes, H&R anti-roll bar with race mount, Sport Evo aluminium front wishbones, Powerflex bushes, power steering deleted and replaced with manual quick rack, powder coated rear subframe, GAZ fully adjustable shortened rear shocks, Eibach 2.5×10” 250lb coil springs, Eibach 2.5” 40lb helper springs, H&R anti-roll bar, alloy race mounts and Powerflex bushes, Brembo four-pot calipers and vented discs with aluminium bell housings (front), Moseley Motorsport-supplied callipers and discs (rear), braided hoses
Exterior: Shell media blasted to bare metal, fully seam welded, painted original Alpine white III, Warsteiner livery, Sport Evo arches, thin-slat front grille and bonnet rubber seals, fibreglass bonnet with twin pin quick release, ABS front bumper with twin pin quick release, Group A carbon fibre front splitter, cold air intakes for brakes, door mirrors (driver’s side feeding cold air to driver) and single-wiper conversion, Bosch high-output headlights and main beam, FIA-approved towing eye, engine cutout, plumbed-in fire extinguisher switch, ABS rear bumper and boot lid with twin pin quick release, Group A rear spoiler with adjustable Gurney flap, Armourfend on stone chip-vulnerable areas
Interior: Group A roll-cage incorporating front and rear suspension mounting points and differential, Ramsport heated windscreen, custom-built lightweight loom, Perspex windows with slider kit on driver’s door, flocked dash, Group A instrument panel with 8000rpm tacho, engine oil temperature, gearbox oil temperature, differential oil temperature, engine water temperature, engine oil pressure and fuel gauges, plumbed-in fire extinguisher switch, ignition switch, push-start, Spa digital speedometer, Group A gear selector, Fire Sense 5kg plumbed-in fire extinguisher for both driver and engine bay, Odyssey Extreme Racing 25 battery and aluminium mounting bracket, FIA battery isolator, Sparco Pro 2000 FIA-approved seat with steel side mounts, Sabelt six-point 2” harness and stress plates, OMP Corsica 330mm suede steering wheel and alloy hub, Longacre wide-angle race rear-view mirror, original door cards and rear panels, FIA-approved foam-filled fuel cell in spare wheel well with rollover valve, Group A rear-mounted aero filler cap with fast-fill alloy tube, Facet competition fuel pump with alloy filter bracket and swirl pot