I put in a cooler and bypassed the heat exchanger and i see temps of 170 in the hottest of days. On track i see 190 max after a hard 20psi and 30 min session.
2008 135i Sport 6at
JB4 G5 ISO, MHD E85 KR, Fuel-it S1, E55 Mix, Alpina Trans Flash, afe Scoops, My own custom 2.5" inlets, ER CP, Synapse BOV, 3.5 Tmap, 7.5" Phoenix FMIC, NGK 5992, 3" BMS downtubes, N55 Mids, Berk Race, BMS OCC, 48 plate oil cooler, 36 plate trans fluid cooler, PSS, R888, Hoosier DRs.
11.92@123.6 (JB4 ISO, DCI, IC, **, DR, on e45 & 17psi)(2013)
444whp/481wtq @19psi and e60 (2013)
2013 X3 xDrive28i M-package
JB4, K&N drop-in, ER downtube, Map 2 @ 22psi on 93