CSF 8025 BMW M3 E90/E92/E93 S65 Aluminium Oil Cooler Radiator | Performance Heat Exchanger | Direct-Fit E9X Plug-and-Play Upgrade Kit for Track/Race | Uprated Heavy-Duty Engine Oil Cooling

CSF 8025 M3 E9X Alloy Engine Lubrication Cooler Upgrade

Part Number: 8025

Give your S65-powered M3 the thermal control it deserves. The CSF 8025 all-aluminium lubrication heat exchanger for E90, E92 and E93 delivers stable oil temps on fast road, track day and long motorway runs. Built by CSF, the cooling specialists, this uprated alloy unit replaces the factory cooler on later-hose cars and helps protect the engine from heat soak, ensuring consistent performance and reliability. Ideal for anyone searching for an E9x M3 cooling upgrade for spirited driving or circuit use.

• All-aluminium construction from CSF for strength, efficiency and long-term durability
• Track-focused design for hard use with excellent temperature control and resilience
• Straight swap for vehicles with the updated BMW hose specification on the E9x chassis
• Helps maintain stable lubrication temperatures to safeguard your S65 V8 during demanding use
• Trusted worldwide and supported by a CSF Lifetime Warranty

Why enthusiasts choose this CSF upgrade

Oil temperature management is a known priority on the E9x platform. The CSF 8025 delivers dependable cooling thanks to its high-quality alloy core and end tanks, giving repeatable results when you push on. We run this cooler on our own cars and customer builds, and feedback has been excellent for circuit sessions, fast B-road driving and extended motorway journeys.

Vehicle applications

• BMW M3 E90
• BMW M3 E92
• BMW M3 E93

Important hose note: BMW revised the factory oil lines around 03/08. Early cars may require the later-spec hoses to fit this CSF unit. The CSF 8025 is designed for vehicles with the updated hose specification.

Early cars

• Hose 1: 17222283417
• Hose 2: 17222283418
• O-ring: 2 x 17212283511

Later cars

• Hose 1: 17222284077
• Hose 2: 17222284078
• O-ring: 2 x 17222284079

These oil lines are available direct from CSF or from your local BMW retailer.

Fitting and support

Professional installation available at MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk. We also offer a free compatibility check before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout.

Manufacturer and warranty

Brand: CSF

Warranty: CSF Lifetime Warranty

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