The CSF 7058 is an all-aluminum high-performance triple-pass radiator for the 2001-2006 BMW E46 M3 with the S54 3.2L inline-six. It uses a 2-row 42mm dual core with CSF's B-Tube Technology and multi-louvered fins in a triple-pass flow configuration that routes coolant across the core three times. It is 100 percent TIG-welded all-aluminum with CNC-machined quick-connect connections, an all-aluminum race-style drain plug, and a smooth satin finish, and it is a drop-in fit.
- Type: all-aluminum performance radiator
- Core: 2-row, 42mm dual core, B-Tube Technology
- Flow: triple-pass configuration
- Fins: multi-louvered
- Engine: S54 3.2L inline-6
- Construction: 100 percent TIG-welded aluminum
- Drain: all-aluminum race-style drain plug
- Finish: smooth satin
- Fitment: drop-in, no modifications
- Part number: 7058
Vehicle Applications
Direct fit on the following (S54 3.2L):
- 2001 BMW M3 (E46)
- 2002 BMW M3 (E46)
- 2003 BMW M3 (E46)
- 2004 BMW M3 (E46)
- 2005 BMW M3 (E46)
- 2006 BMW M3 (E46)
FAQ
What vehicles does the CSF 7058 fit?
The 2001-2006 BMW E46 M3 with the S54 3.2L inline-six.
What is the flow configuration?
Triple-pass, routing coolant across the core three times.
How many rows is the core?
A 2-row 42mm dual core with CSF's B-Tube Technology.
Is it a drop-in fit?
Yes. It requires no modifications.

