CSF 7046 BMW N54/N55 Performance Aluminium Radiator – E82/E88 135i, E90/E92/E93 335i/xi/is, E89 Z4 30i/35i/35is – Automatic Transmission & DCT, Triple-Pass Direct-Fit
CSF 7046 BMW N54/N55 Performance Aluminium Radiator – E82/E88 135i, E90/E92/E93 335i/xi/is, E89 Z4 30i/35i/35is – Automatic Transmission & DCT, Triple-Pass Direct-Fit
CSF 7046 BMW N54/N55 Performance Aluminium Radiator – E82/E88 135i, E90/E92/E93 335i/xi/is, E89 Z4 30i/35i/35is – Automatic Transmission & DCT, Triple-Pass Direct-Fit
CSF 7046 BMW N54/N55 Performance Aluminium Radiator – E82/E88 135i, E90/E92/E93 335i/xi/is, E89 Z4 30i/35i/35is – Automatic Transmission & DCT, Triple-Pass Direct-Fit
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  • Load image into Gallery viewer, CSF 7046 BMW N54/N55 Performance Aluminium Radiator – E82/E88 135i, E90/E92/E93 335i/xi/is, E89 Z4 30i/35i/35is – Automatic Transmission & DCT, Triple-Pass Direct-Fit
  • Load image into Gallery viewer, CSF 7046 BMW N54/N55 Performance Aluminium Radiator – E82/E88 135i, E90/E92/E93 335i/xi/is, E89 Z4 30i/35i/35is – Automatic Transmission & DCT, Triple-Pass Direct-Fit
  • Load image into Gallery viewer, CSF 7046 BMW N54/N55 Performance Aluminium Radiator – E82/E88 135i, E90/E92/E93 335i/xi/is, E89 Z4 30i/35i/35is – Automatic Transmission & DCT, Triple-Pass Direct-Fit

CSF 7046 BMW N54/N55 Performance Aluminium Radiator – E82/E88 135i, E90/E92/E93 335i/xi/is, E89 Z4 30i/35i/35is – Automatic Transmission & DCT, Triple-Pass Direct-Fit

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CSF BMW E82 E90 E92 Performance Aluminium Radiator for Automatic Transmission and DCT

Upgrade the cooling on your BMW N54 or N55 with the CSF Performance Aluminium Radiator, part number 7046. This direct-fit alloy radiator is engineered for BMW 135i and 335i models plus Z4 sDrive30i, sDrive35i and sDrive35is with automatic transmission or DCT. If you are chasing lower coolant temperatures, improved reliability and consistent performance on fast road and track, this CSF radiator is the proven cooling upgrade you have been searching for.

CSF is a global leader in high-performance radiators with over half a century of cooling expertise. This premium unit uses a two-row, triple-pass design for maximum heat rejection and stable coolant temps. It includes high-quality CNC-machined brackets and hardware and is hand polished to a mirror finish for a show-ready look. Best of all, it fits like OEM with no cutting or modification required.

Key features

  • Two-row, triple-pass core for significantly improved cooling efficiency and lower outlet temperatures
  • Precision CNC-machined brackets and hardware for a robust, secure installation
  • Hand-polished aluminium finish for a premium appearance
  • Direct-fit replacement for the factory radiator with no modifications required
  • Ideal for tuned and remapped N54 and N55 engines, spirited driving and track days
  • Designed specifically for Automatic Transmission and DCT applications
  • Backed by CSF quality and a 2-year CSF Radiators warranty

Why choose this CSF radiator

  • Consistent performance during hard driving, hot weather and back-to-back pulls
  • Improved thermal headroom for reliability on tuned N54 N55 engines
  • Direct OEM-style fitment keeps install clean and hassle-free
  • Premium construction and finish that looks as good as it performs

Compatibility

Fits BMW models with N54 or N55 engines and Automatic Transmission or DCT:

  • BMW 1 Series E82 E88 135i
  • BMW 3 Series E90 E90 LCI E92 E92 LCI E93 E93 LCI 335i 335xi 335is
  • BMW Z4 E89 sDrive30i sDrive35i sDrive35is

Engine codes: N54 N55. Chassis: E82 E88 E90 E92 E93 E89. If you are unsure about compatibility, we will check this for you before dispatch.

Compatibility check before dispatch

To ensure the part fits your vehicle, we run a compatibility check prior to shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout and we will confirm fitment.

Fitting and installation

Professional fitting available at Nforcd in Warwickshire. For a tailored fitting quote or workshop booking, email Sales@nforcd.com.

Part number

CSF 7046

Warranty

2 Years CSF Radiators Warranty

What our customers say

We use and recommend this CSF aluminium radiator on our own builds and customer cars. Feedback has been consistently positive, with noticeable drops in coolant temperatures and rock-solid performance during hard driving and track sessions.

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