BMW Car Magazine undertakes a fraternal twins rivalry comparison in pitting HP Autowerks' BMW 1M coupe against its tuned 135i coupe.
The tuned 135i coupe is equipped with DCT transmission and tuned to be 400+ HP / 420 lb-ft torque with piggyback tune, intake tubing, M3 suspension arms/bushings, coilovers, and exhaust ... CONTINUED
13 years ago