SKU: 73548483606

do88 BMW E46 M3 Auxiliary Oil Cooler

$210.15 $233.50
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

do88 BMW E46 M3 Auxiliary Oil CoolerExpand Your Cooling System with Motorsport Precision The do88 Auxiliary Oil Cooler is designed as the perfect companion to the do88 Performance Radiator (WC 310) for the BMW M3 E46. Developed for motorsport and heavy duty applications, it provides additional cooling capacity for low pressure systems such as power steering or gearbox oil essential for maintaining reliability under extreme use. Why Add an Auxiliary Oil Cooler? Solves Overheating in

Expand Your Cooling System with Motorsport Precision

The do88 Auxiliary Oil Cooler is designed as the perfect companion to the do88 Performance Radiator (WC-310) for the BMW M3 E46. Developed for motorsport and heavy-duty applications, it provides additional cooling capacity for low-pressure systems such as power steering or gearbox oil – essential for maintaining reliability under extreme use.

Why Add an Auxiliary Oil Cooler?

Solves Overheating in Secondary Systems

  • Ideal for cooling power steering fluid or gearbox oil

  • Helps prevent overheating in track, drift, or endurance environments

  • Ensures consistent performance and protects against premature wear

Built for Integration with the do88 Radiator

  • Mounts directly to the do88 Performance Radiator (WC-310) using the included CNC-machined brackets

  • Rubber-lined P-clips and mounting screws supplied for a clean installation

  • Compact, efficient core design optimised for secondary cooling needs

Flexible, Motorsport-Grade Connections

  • AN6 male connections for simple and secure plumbing

  • Requires custom oil lines (not included) to suit your setup

  • Versatile design accommodates a wide range of build specifications

Technical Details

  • Core dimensions: 446 x 131 x 26.5 mm

  • Total dimensions: 652 x 131 x 202 mm

  • AN6 male fittings (x2)

  • Weight optimised for motorsport use

  • Supplied with mounting hardware (P-clips and screws)

Applications

  • BMW M3 E46 (2000–2006, S54 engine)

  • For use with do88 Performance Radiator (WC-310)

  • Configurable as a power steering or gearbox oil cooler

Why Choose do88?

Swedish-engineered and track-proven, do88 products are designed for enthusiasts and racers who demand reliability and performance under the harshest conditions. Every component is CFD-tested, track-validated, and built with uncompromising quality.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73548483606

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4.5 ★★★★★
Based on 13 reviews
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Verified Purchase
Shayman King
Bozeman, US
★★★★★ 4
Great item, BUT…
Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5", Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5"
Do I love it? Yes. Is it well made? It certainly appears to be. Is the leather thick? Yes, I’d say definitely thick and sturdy. Do I like the color (Bootlegger Brown)? Of course I do, it’s gorgeous. It seems very well made. The corners are secured with black fasteners, which I think are going to better than the buttons in the long run that I’ve seen on others. It’s was this brand, or Hide and Drink for me. I went with these guys because it’s U.S. made, and hopefully American sourced leather. I bought the Large. My concern was that the XL might be too large for my nightstand. I measured it out and everything. However, I was not counting on the length and width to be measured from the end of the pinched corners, so I was a little disappointed about the size of the useable surface area. It’s not a big deal, but I wish that I’d have just spent the extra $5 and got the XL. If I we’re to get another, I definitely go with the XL unless you just want something on the smallish side, but still I suspect that they are larger that what most others are offering. At least these guys give you a choice of options.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2023
A
Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 5
Valet Tray Worth the Price
Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5"
Product well packaged and is exactly as advertised. Great quality and workmanship. Bought for my husband and he really likes it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
H
Verified Purchase
hanktankerus
Omaha, US
★★★★★ 5
Awesome EDC Organization
Color: Avalanche Gray, Size: 11.5" x 8" x 2"
Awesome! Great addition to the nightstand to keep stuff organized
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
S
Verified Purchase
Spencer & Angela
Charlottesville, US
★★★★★ 5
It holds all my gear and looks fantastic!!
Color: Rustic Montana, Size: 11.5" x 8" x 2", Color: Rustic Montana, Size: 11.5" x 8" x 2"
I wanted something to hold EVERYTHING. In the pic - 2 wallets, tactical flashlight, 2 personal bluetooth speakers, 2 pairs of Beats, chap stick, pocketknife. Missing are my reading glasses but they typically will fit in there too even in their protective sleeve. This would make a great gift and the leather is excellent feel and look. This is the Extra Large size and i am happy i went with the bigger one as i almost didnt. Wife thought it was a great purchased but mad that she didnt get the chance to gift it to me for Father's Day or birthday!! LOL
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2024
J
Verified Purchase
Jenn
Louisville, US
★★★★★ 5
Great gift
My father in loves it and uses it for his small things on his dresser!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026

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