- Replaces OEM unit single-pass design and plastic shroud with a unique top/bottom dual-pass
design for maximum surface area and flow. - Drop-in fit requiring no modifications to install. Accepts factory oil-line connections
- Fully TIG-welded extruded-endtank design vs. OEM mechanically jointed and tack-welded design for
superior reliability & durability - Fits precisely with the contour of the OEM bumper. No issues with aftermarket splitter
attachement either - Turbulated heavy/duty bar/plate design for the most reliable & durable oil cooler available
for the platform - 8 rows of maximum cooling with a high density multi-louvered fin pitch design
- Designed to work with OEM radiator brackets or CSF's all-aluminum triple-pass radiator (CSF
#7058) - Motorsport silver finish

Active Autowerke
E46 M3 CSF Race-Spec Engine Oil Cooler
E46 M3 CSF Race-Spec Engine Oil Cooler
CON5X DROPSHIP
11450 Cherokee Street
A-6
Northglenn CO 80234
United States
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Active Autowerke is proud to offer CSF's Race Spec Engine Oil Cooler for your E46 M3! This is the perfect addition to your S54 to help keep those oil temps down. It is especially modified vehicles as well any cars that see the track!
We run these on all of our track cars and recommend them to any E46 M3s that see track time or have performance modifications.Designed, developed, and track proven in collaboration with BMW M3 tuning specialist and parts
The items installed or applied to vehicles are intended strictly for off-road use only and track vehicles. These modifications may not comply with emissions, safety, or environmental regulations required for public road use under Environmental Regulatory Agency (ERA) laws. It is the sole responsibility of the vehicle owner or operator to ensure adherence to all applicable local, state, and federal regulations. Use on public roads may result in legal penalties or vehicle impoundment. Always verify compliance with local authorities before installation.
We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.
If you're unsure whether a part will fit your vehicle, feel free to contact us here with your inquiry. Our helpful sales team will reach out to confirm if it's the right match for you.
We offer a flat-rate shipping fee across the continental United States. This excludes Alaska, Hawaii, and U.S. territories. For international orders, additional shipping costs will apply. Please contact us for a quote if you are outside the continental U.S.
Also, feel free to also contact us at ColoradoN5X@Gmail.Com for any other questions.
Not all items are covered by warranty. Items including warranty, will clearly state that there is warranty within the product description. Most of these items will be a standard 1-year warranty against manufacture defects. You, the customer, will be responsible for shipping and handling. We will fix/replace that item with a product that is in working condition if you meet the warranty criteria. Please note that you will be allowed ONLY 1 claim within the year for that product. ColoradoN5X is not responsible for any damage caused during the installation of our products.
PLEASE NOTE
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
- Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.
