Carbahn Autoworks

N54 & N55 High Performance Intercooler for “E-Chassis” (Black)

Shipping calculated at checkout.


The OEM intercooler is made from plastic end tanks that are crimped on to an aluminum tube/fin core that is ~4 inches thick (105mm core width) and is 5 inches in height (127mm). This may be enough to keep IAT’s in check on a completely unmodified / stock vehicle, but once users to start increase power through bolt-on modifications, tuning, and built engines, the OEM intercooler will become the Achilles heel of the system with IAT’s skyrocketing out of the optimal range and drastically lowering the performance capabilities of the vehicle. With this new, stepped core design, bar/plate high performance BMW n54 intercooler. This “drop-in fit” intercooler, which requires no modifications to install, has a bottom / larger section that is 5.5 inches thick (140mm) with a front face that is massive ~8.25 inches tall (210mm). A huge improvement over the OEM unit, and enough to handle even the most advanced n54 engine builds.


  • The Only TRUE Plug-and-Play Solution Compared to the Rest
  • No Cheaper Silicone Hose Clamp System, BMW Style “Quick-Connect” Machined Fittings
  • OEM Mounting Locations with Fitment Kit and Instructions Included
  • Clears OEM Crash Bar, No Modification to Install with No Cutting or Trimming Required
  • Bottom/Larger: Section: 5.5” Thick (140mm)
  • Massive Front Face: ~8.25” Tall (210mm)


Fitment Chart

OEM# 17517540035

Year Model Sub-Model Chassis Code Engine Code
06-13 135i Convertible E88 N54
06-13 135i Coupe E82 N54
06-13 M Coupe Coupe E82 N54T
06-11 335i Sedan E90 N54
06-11 335xi Sedan E90 N54
06-12 335i Touring E91 N54
06-12 335xi Touring E91 N54
05-10 335i Coupe E92 N54
05-10 335xi Coupe E92 N54
08-13 335is Coupe E92 N54T
05-10 335i Convertible E93 N54
08-13 335is Convertible E93 N54T
08-16 Z4 35i Roadster E89 N54
Year Model Sub-Model Chassis Code Engine Code
06-13 135i Convertible E88 N55
06-13 135i Coupe E82 N55
07-11 335i(xi) Sedan E90 N55
07-12 335i(xi) Touring E91 N55
08-13 335i(xi) Coupe E92 N55
08-13 335i Convertible E93 N55
09-15 X1 35iX SUV E84 N55

Product information