It closes below 2,000 RPM
for either improved emissions or better low-RPM torque, depending on whose posting you read in the archives on the E36 board.
'03 525i Sapphire Blu/Grey, SP, Nav
'02 325it Orient Blu./Grey, SP, Nav
'01 325it Steel Blu./Blk (in salvage)
'98 323is Arctic Sil./Blk, SP
'95 M3 Cosmos Blk./Blk