Up for sale is our 4N GT4 track development car. This F82 M4 is the first in the world to have a truly integrated custom built air shifted Samsonas rwd6 sequential transmission. For the engine it’s a 1 of 1 4N-2.6L 9,000 rpm rev limit N55/S55 based engine. This car started out as a 2015 M4 and currently has 49,500 miles with a clean title and no accident history.

4N M4 GT4 parts list please email for more pictures, sale price, and info

Bimmerworld GT-MORE GT4 front end geometry conversion kit
MCS 3 way dampers
SPL front control arms
SPL rear toe arms
Bimmerworld rear inner control arm monoball kit
Fall line rear control arm monoball kit
AP motorsport GT4 front splitter with integrated front brake cooling inlets ducts
4N Motorsport GT4 front brake duct cooling adapter kit
OEM BMW dry carbon GT4 canards
Lifeline copse 6 point racing harness FIA approved
Sparco Pro ADV QRT seat
Bimmerworld Billet seat bracket
Scroth right side safety net SFI approved
NASA/ SCCA spec window net SFi approved
NASA/ SCCA full spec .120 wall seamless roll cage
BMW Motorsport M4 GT4 Front 32mm Wheel Spacers
BMW Motorsport Wheel studs
APR Performance GTC300 wing with custom fabricated wing trunk support system
Fire Suppression System, Novec 1230, Cable, Discharge Line, 3 Spray Nozzles, 10 lb. Bottle, SFI-approved, Kit
Full carbon fiber GT4 style hood
GT4 hood pin conversion
Sparta pro Evolution front and rear big brake kit. 6 piston calipers
sparta spare brake rotors x4
custom wrap just completed April 2023

4N Motorsport fully built R26 engine 2.6L 9K rpm redline
MAHLE custom pistons
4N Motorsport ported cylinder head
Supertech nitride coated intake valves. Single groove locks
Supertech inconel sodium filled exhaust valves. Single groove locks
Custom HD valve springs
Manley custom H beam rods
ACL race rod bearings
Pinned crank hub upgrade
Motiv Reflex plus injection controller with MHD ethanol analyzer flex fuel E85 system
PR port injection kit 750CC
Twin upgraded low pressure fuel pump
Custom 4N Motorsport anti fuel slosh bucket transfer pump.
Drexler Motorsport differential clutch type diff conversion. 60/70 50/53
KMP 3.91 racing gearset billet
Samsonas RWD6 sequential transmission. Custom close ratio gear set.
Tilton transmission electric gear oil cooling pump system
MME Motorsport gear control unit.
MME Motorsport sequential AIR shift kit with high speed solenoid valves and integrated air tank.
Custom built carbon fiber drive shaft one piece with billet T10 style slip yoke
Clutch Masters FX725 twin disk clutch
Clutch Masters Billet aluminum flywheel
Tilton 1000 series Hydraulic clutch release bearing
4N Motorsport custom built chassis mounted .100 aluminum diffuser and under tray.
4N Motorsport single 3.5 CP1 titanium full exhaust system. Exhaust blown diffuser entry.
4N Motorsport S55 GT 8474 single turbo kit factory electronic wastegate control
MHD tuned with several power level maps available
4N Motorsport front mount intake kit
M track race parts removable racing steering wheel with custom button layout.
APEX 18×11 ET25 front rims
APEX 18X11 ET44 rear rims