do88 Engine Oil Cooler - BMW M3 / M3 CSL (E46) 2000-2006

do88 Engine Oil Cooler - BMW M3 / M3 CSL (E46) 2000-2006

do88 SKU: DOBOC-150
Price
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The do88 engine oil cooler is a bolt-in replacement for the factory unit on the E46 BMW M3 and M3 CSL, built to control S54B32 oil temperatures during track and endurance driving. Core volume is 185% larger at 3276 cm3 versus the OEM 1148 cm3, active cooling area grows 50% to 575 cm2 from 383 cm2, and the cooler holds 0.70 liters of oil against 0.39 liters stock. CNC-machined connections and brackets let it mount to the OEM oil lines with no modification, and installation instructions are included.

Specifications

Type Engine oil cooler
Position Engine oil circuit
Core Volume 3276 cm3 (vs 1148 cm3 OEM, +185%)
Cooling Area 575 cm2 (vs 383 cm2 OEM, +50%)
Oil Capacity 0.70 L (vs 0.39 L OEM)
Installation Drop-in; uses OE lines and brackets
Part Number OC-150

This part fits:

Year Make Model Submodel
2000-2006 BMW M3 S54B32 (E46)
2003-2004 BMW M3 CSL S54B32 (E46)

Shipping

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  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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