Since it gets asked about occasionally, here’s the full list of modifications, upgrades, and performance improvements that have been made beyond standard maintenance and repairs.
Suspension & Handling
- KONI Special Active shocks and struts
- Eibach PRO-Kit springs
- Shock and strut mount reinforcement plates
- Carbon fiber strut bar
- Techna-Fit stainless steel brake lines
- Akebono ceramic pads and Zimmermann blanks
- ZHP control arms
- Z4M offset front control arm bushings
- ZHP steering rack (yellow 712 tag)
- E46 Xi rear spring pads
- M3 engine and transmission mounts
- Upgraded differential and subframe bushings
- M3 rear trailing arm bushings
- Delrin RTAB limiters
- M3 upper and lower rear trailing arm ball joints
- Wavetrac LSD (30.309.175WK)
- Apex ARC-8 (18x8.5″ ET38) hyper silver wheels
- Michelin Pilot Sport 4S (235/40ZR18) tires
- CQuartz UK 3.0 ceramic coating
- Schroth Quick Fit 4-point harness
Engine & Mechanical
- G.A.S. aluminum DISA flap and pin
- G.A.S. 1.2 bar expansion tank cap
- Aluminum water pump pulley
- Aluminum power steering pump pulley
- Mechanical to hydraulic tensioner conversion
- Beisan double VANOS rebuild kit
- Braided intake manifold vacuum lines
- MS43 to MS45.1 ignition coil wiring harness conversion
- Electric fan conversion (mechanical fan clutch and pusher fan delete)
- Exhaust flap and vacuum canister delete
- Gauge cluster pin toggle modification
- Cold weather CCV and single-walled dipstick guide tube
- M3 fuel tank baffle
- Oil pump nut reinforcement
- Engine and trunk buffer stop ejectors
- Reinforced convertible hinge covers, locking motor gear, and latch mechanisms
Electronics & Coding
- Conforti Shark Injector performance software
- Temperature gauge buffer range recoding
- Automatic convertible top coding with PAC TR-7 trigger modules
- Xenon high beams, halogen main beams, and fog lights active simultaneously
- Euro double-blink hazards
- Seat heater temp coding adjustments
- Other miscellaneous creature comfort codings
- Hardwired Uniden and Escort radar connections
- Hardwired UltraGauge OBDII data display
- Dash camera
- Backup camera
- AVIN Avant-2 touchscreen head unit
- AUX, USB, Bluetooth connections
- BSW Stage 1 speakers and sound deadening
- 2 Kicker L7 subwoofers, 750w amp, LC2, and custom stealth box
Aesthetics & Ergonomics
- M-Tech II front bumper, fog lights, brake ducts, grille
- VSL carbon fiber emblems
- StealthTechnik piano black kidney grilles
- Window tinting: front 70%, sides 25%, rear 20%
- Osram Xenarc 5500K D2S bulbs
- Orion v4 angel eyes
- Clear corner turn signals
- Chrome-coated stealth bulbs
- Body-matched painted reflectors
- Ziza interior LED bulbs
- One-touch window switch conversions
- Euro center console storage tray
- Alcantara performance shift knob and boot
- M3 oil filler cap
- M3 HVAC unit
- Stubby sport antenna