Have had some interest in my '332i' project, so will post up the details here on Bimmersport.
This car started life as a 2003 330i m-sport sedan in black sapphire metallic and is being built into an 'M3 sedan'.
While the car existed as a standard 330i, I replaced the seats and door cards with black leather units, and retrofitted an NBT from an F30:
HellBM then removed the M54B30 and replaced it with an S54B32 & 6-speed manual gearbox:
The VANOS was then 'bulletproofed' using the full Beisan kit, uprated cam gear bolts & S62 diaphragm springs, and the valves adjusted:
I then rebuilt the donor M3 brake calipers; the front caliper pistons weren't in great shape and were replaced:
Caliper carriers media blasted & painted:
Calipers prepped & painted (Duplicolor gloss black):
Next up was preparing the remaining M3 suspension and driveline components.
New Bilstein PSS10 coilovers:
Donor M3 subframe bushes removed:
CMP Auto Engineering solid subframe bushes were chosen for this car, even though it's intended for street use.
The reasoning is two-fold; no movement of the subframe against the RACP should help prevent any future cracking, and the bushes are designed to move the subframe closer to the body to account for reinforcement plates & the vehicle being lowered.
The M3 LSD was cleaned, drained and the rear cover replaced:
And reinstalled back into the subframe:
Trailing arms disassembled, wheel bearings, balljoints replaced & Syncro Design Works monoball RTAB installed:
Handbrake shoes & new springs installed:
For the front, new CSL kingpins and wheel bearings were used:
The old rear suspension & fuel tank were removed from the sedan:
And the boot floor removed:
No turning back now .
A brand-new E46 M3 floor pan was purchased and the centre panel extracted:
CMP Auto Engineering reinforcement kit installed:
The decision was made to go the 'full way':
Donor rear arches extracted & prepared:
Test-fitting with M3 rear bumper:
Tacked on & then welded fully:
View from behind:
M3 rear muffler brackets installed (pre-arches):
The rear suspension & fuel system were then mostly reinstalled:
ECS Tuning Monoball RSMs & reinforcement plates installed:
And some more parts removed:
A genuine M3 bonnet was then fitted. The guards will be created by joining both sedan and M3 guards:
And that's it for now - more to come soon