CSF High-Performance All-Aluminum Radiator for BMW 1 Series M, 135i, and 335i (Part #7045)

Description

The CSF #7045 high-performance radiator offers over 50 years of expertise in cooling technology, specifically designed to optimize engine performance for BMW 1 Series M, 135i, and 335i models from 2007 to 2011. Crafted from all-aluminum with a sleek satin finish, this radiator ensures superior heat dissipation and durability under demanding driving conditions. Its drop-in fit design allows for straightforward installation in OEM locations without modifications, making it suitable for street use or track days. The radiator’s core features a 2-Row, 42mm dual core configuration with CSF’s exclusive B-Tube Technology, which enhances heat transfer efficiency and strength. The B-Tubes are carefully engineered in a “B” shape, brazed over seams to improve durability and allow for thinner, lighter aluminum construction that offers better cooling performance. These tubes increase the heat transfer surface area by approximately 15% compared to traditional oval tubes, enabling dual liquid laminar flow for improved cooling efficiency. The radiator is equipped with ultra-efficient multi-louvered fins, precisely aligned to maximize airflow and heat rejection. Fin height is optimized at 6.5mm for maximum surface contact, further enhancing cooling capacity. Features such as CNC-machined brackets and quick-connect inlet/outlet fittings ensure a secure fit and ease of installation, compatible with all OEM components including hoses, condenser, mounting brackets, and fan shroud. An all-aluminum race-style drain plug adds durability and ease of maintenance, making this radiator a reliable upgrade for high-performance BMW builds. Whether you are upgrading for daily driving or preparing for motorsports, the CSF radiator provides industry-leading cooling technology to keep your engine running at its best, even under high horsepower or race conditions.

Features:

• Drop-in fit design requiring no modifications for easy installation

• Compatible with OEM components including hoses, condenser, and fan shroud

• 2-Row 42mm dual core with CSF’s exclusive B-Tube technology for enhanced heat transfer

• Ultra-efficient multi-louvered fins with 6.5mm fin height for maximum airflow

• CNC-machined brackets and fittings for precise fit and durability

• Quick-connect inlet and outlet fittings for straightforward installation

• All-aluminum race-style drain plug for long-term durability

• Sleek satin finish adds a professional appearance

Fitment:
BMW 1 Series M Base 2011
BMW 135i Base 2008
BMW 135i Base 2009
BMW 135i Base 2010
BMW 135i Base 2011
BMW 135i Base 2012
BMW 135i Base 2013
BMW 135is Base 2013
BMW 335i Base 2007
BMW 335i Base 2008
BMW 335i Base 2009
BMW 335i Base 2010
BMW 335i Base 2011
BMW 335i Base 2012
BMW 335i Base 2013
BMW Z4 sDrive28i 2012
BMW Z4 sDrive28i 2013
BMW Z4 sDrive28i 2014
BMW Z4 sDrive28i 2015
BMW Z4 sDrive28i 2016
BMW Z4 sDrive35i 2009
BMW Z4 sDrive35i 2010
BMW Z4 sDrive35i 2011
BMW Z4 sDrive35i 2012
BMW Z4 sDrive35i 2013
BMW Z4 sDrive35i 2014
BMW Z4 sDrive35i 2015
BMW Z4 sDrive35i 2016