You can check what car the abbreviated subfolder means by checking the "bunddles" subsubfolder, for example the 35m has the file V6_nissan_350z_g3.bdl
Here's the complete car / folder list:
35m Nissan 2004 (Z34) 350Z Nismo Drift Tuned
177 Aston Martin One-77
240 Nissan 1993 (S13) Daijiro Yoshihara 240SX
320 BMW 320 Touring Car
370 Nissan 2011 (Z34) Chris Forsberg Racing 370Z
408 Peugeot 408 SCB
787 Mazda 787B
a4p Alfa Romeo 4C
a8c Alfa Romeo 8C Competizione
at5 Ariel Atom 3.5
av8 Ariel Atom 500 V8
b1m BMW 1 Series M Coupe
bm3 BMW M3 Coupe
bom Ford Mustang Boss 302 Modified
bos Ford Mustang Boss 302
brz Subaru BRZ
bug Bugatti Veyron 16.4 Super Sport
c63 Mercedes-Benz C63 AMG
cap Caparo T1
cat Caterham SP/300.R
cha Dodge Challenger SRT8 392
chv ADC Presteza-14
cit Honda Civic Touring Car
civ Honda 5Zigen Civic
crt Dodge Charger R/T
crz Chevrolet Cruze Touring Car
csm Chevrolet Camaro SS Modified
css Chevrolet Camaro SS
df3 Dallara F312
e30 BMW E30 Sport EVO
evx Mitsubishi Lancer Evolution X Team Orange
foc Ford Focus ST
fot Ford Focus ST Touring Car
fur Mazda Furai
g40 Ford GT40 MK1
gol Volkswagen Golf R
gt5 Nissan 2008 (R35) GT-R Nismo GT500
hsv Honda HSV-010 GT
ind Dallara Indycar
jcc Mini John Cooper Works Challenge
jcw Mini John Cooper Works GP
koe Koenigsegg Agera R
ktm KTM X-Bow R
l05 Lola B05/52
l12 Lola B12/80
ldi Lancia Delta HF Integrale EVO2
mf1 McLaren F1 GT
min Mini Miglia
mp1 McLaren P1
mp4 McLaren 12C
mpg McLaren 12C GT3
nsx Honda NSX R
pag Pagani Huayra
ply Plymouth Aar Cuda
r3b Nissan 1991 (R32) Skyline GT-R Group A
r8l Audi R8 LMS Ultra
rs5 Audi RS 5
rx1 Mazda RX-7 Type RZ (FD3S)
rx2 Mazda Panspeed RX-7 (FD3S)
rx7 Mazda RX-7 (FD3S) Drift Tuned
s1m Nissan 2003 (S15) Silvia Drift Tuned
s2m Honda S2000 Modified
s15 Nissan Silvia 2003 (S15) Spec-R Aero
s20 Honda S2000
sdc Shelby Cobra "Daytona" Coupe
sky Nissan 2005 (R34) Nismo GT-R Z-Tune
sl6 Mercedes-Benz SL65 AMG Black Series
sls Mercedes-Benz SLS AMG GT3
srs Ford Sierra RS500 Cosworth Group A
ssa Audi RS5 (Cat B Special)
ssm Mercedes-Benz C63 (Cat B Special)
stk Jupiter Eagleray MK5
teg Honda Integra Type R DC5
utf Ford Racing UTE
uth Holden VE Commodore UTE
v8f Ford Falcon FG
v8h Holden VF Commodore
van Aston Martin Vanquish
vip SRT Viper GTS
wrx Subaru Tomei Cusco Impreza WRX STI
xkr Jaguar XKR-S
zig Aston N24 V12 Zagato
zon Pagani Zonda Revolucion