The factory Intercooler heatsoaks very quickly on the 135/335! Heres a bunch of data on the Helix FMIC as compared to the factory unit
Helix Stepped Core Intercooler $969 IN STOCK at Helix 877-helix-13
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reposting all the data for this FMIC
Install:
Fits in stock location- YES
requires NO cutting,removal and/or permanent modification- Yes on 335i, No on 135i
Can it be installed without removing front Bumper- YES
Utilizes factory mounting points- Yes
Design:
More core volume than stock- Yes 56%
More Ambient face than stock- Yes 56%
More charge rows than stock(8)- Yes 13
Bar and Plate construction- Yes
Removes restrictive stock O ring connectors- Yes
Seals to factory radiator fan shroud so air is drawn through when car is not in motion- Yes
Performance:
Helix intercooler at 13.5psi 63 degree ambient temps:
372whp +22whp
turbo outlet temperature 228 degrees F(estimated using a 63 degree ambient and 65% compressor efficiency at 13.5 psi)
AIT temp- 75 degrees F - 54 degree drop over stock
pre and post intercooler temp drop- 153 degrees F
Intercooler efficiency- 93% - 33% improvement in efficiency over stock
Core pressure drop spec is .5psi at 450hp(600cfm) airflow
Price: $969
STOCK 2-4 gear
Helix 2-4 gear
