SKU: 74257067586

Oil Cooler Kit BMW E46 M3

Sale price$980.97 Regular price$1089.97
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Description

Oil Cooler Kit BMW E46 M3The S54 is an incredible feat of engineering. Smooth power delivery, individual throttle bodies, and an 8,000 rpm redline make for an unforgettable driving experience. As with any BMW, maintaining optimal oil temperatures is key to extending the life of your vehicle and ensuring that you're getting an unparalleled driving experience. As many of these vehicles see frequent track time, the team at Mishimoto decided to develop a performance oil cooler

The S54 is an incredible feat of engineering. Smooth power delivery, individual throttle bodies, and an 8,000 rpm redline make for an unforgettable driving experience. As with any BMW, maintaining optimal oil temperatures is key to extending the life of your vehicle and ensuring that you're getting an unparalleled driving experience. As many of these vehicles see frequent track time, the team at Mishimoto decided to develop a performance oil cooler kit that would not only provide improved durability, but also deliver the power needed for track driving. The result: an extremely efficient core that provides a proven 30°F (16.7°C) drop in oil temperature. With an increase in core thickness of 110%, this oil cooler kit increases your oil capacity by 0.44 qt. The oil cooler end tanks, cast from a single piece of aluminum and TIG-welded to the core, have been designed for maximum reliability, giving you the confidence you need to push your E46 M3 to the limits.

This oil cooler kit is designed as a complete bolt-in fit, requiring no modification to work with the stock radiator or the Mishimoto BMW E46 Performance Aluminum Radiator. To ensure a complete direct-fit, Mishimoto engineers have designed a fully CNC-machined 6061 aluminum and 303 stainless steel BMW E46 Oil Line Fitting Kit, which makes the removal of the stock hard lines and installation of stainless steel braided lines a simple task.

This kit includes preassembled stainless steel lines with -10AN fittings to help direct the oil to and from the cooler, as well as a black Mishimoto Oil Line Stay to keep your lines from rubbing. As with all our products, the Mishimoto E46 M3 Oil Cooler Kit includes the Mishimoto Lifetime Warranty

  • Direct fit for the BMW E46 M3
  • Natural CNC-machined finish
  • Mishimoto Lifetime Warranty
  • Reduces oil temperatures by 30°F (16.7°C)
  • 10 psi reduction in pressure loss
  • One-piece billet end tanks for maximum reliability
  • Increases oil capacity by 0.44 qt
  • Premade stainless steel braided oil lines with durable -10AN fittings
  • Includes 100% CNC-machined 6061 aluminum -10AN BMW E46 Oil Line Fitting Kit
  • Mishimoto Oil Line Stay included to prevent lines from rubbing
  • Fits with stock and Mishimoto radiators
  • Material - 6061 Aluminum
  • Core Height - 3.02"
  • Cooler Contruction - Bar-and-Plate
  • Core Thickness - 2.5"
  • Core Length - 23.62"
  • Fitting Size - -10AN
  • Tank Wall Thickness.16" (4mm)
  • Engine Codes - S54
  • Chassis Codes - E46
  • Install Torque Specs - 10 ft/lbs for Oil Line Fitting Kit bolt.
  • Caution - It is the installer's responsibility to check all line fittings and other connections to assure they are fully tightened before operating the vehicle. Mishimoto recommends that you check all connections at regular intervals, especially during the first few miles after installation.
  • Increase In Oil Capacity - 0.44
  • Temp Difference - 30°F
  • Overall Height - 26.1"
  • Overall Length - 3.4"
  • Overall Width - 4.3"
  • Core Size - 23.62" x 3.02"
  • Inlet - -10AN
  • Outlet - -10AN
  • Also Fits - 2001-2006 BMW E46 M3
  • (1) Mishimoto Oil Cooler w/ -10AN Fittings
  • (1) Mishimoto Oil Line Fitting Kit
  • (1) 1' 8" Stainless Steel Braided Hose with 45° and 45° -10AN Fittings
  • (1) 3' 5" Stainless Steel Braided Hose with 45° and 90° -10AN Fittings
  • (1) Mishimoto Oil Line Stay, Black
  • (2) M6 x 1.0 x 16mm Button-Head Bolts (for installation with Mishimoto radiator)
  • Mishimoto Lifetime Warranty
  • 2001-2006 BMW E46 M3
        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: 74257067586

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        Shance L McGuffey
        New York, US
        ★★★★★ 5
        If they can't fix it they will replace it.
        This protection plan that i pay monthly for paid for itself ten fold. My 3D printer just quit working and after the manufacturer warrenty had ran out at that. I submitted my claim they emailed me a shipping label in which I shipped out my printer that same day. Two days later they received my printer determined it couldc not be fixed and sent me a Amazon gift card for the full price of my printer. Today I will be receiving my new 3d printer thanks to Complete Protect. I highly recommend anyone and everyone to purchase this policy. This warrenty is like having a home warrenty like Homeshield but for your electronics and probably other stuff that i just have not read to see what else. This insurance will save me so much money over the corse of this year and every year after that. Thank you Complete Protect.
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        Reviewed in the United States on May 22, 2026
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        nicolas juarez
        Battle Creek, US
        ★★★★★ 5
        "Outstanding support and a seamless process!"
        Great experience with Asurion insurance through Amazon. I wasn't sure how to register my items for the monthly plan, but the customer support team in the chat was incredibly efficient and guided me through the entire paperwork process smoothly. Furthermore, the service I received at the repair shop (Break Fix) was excellent. The whole process was seamless, and I received my digital gift card without any issues, which I’ve already applied to my Amazon account. I am very grateful for their professionalism and how easy they made everything. Highly recommended!"
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        Reviewed in the United States on June 10, 2026
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        Toveth Noyse
        Los Angeles, US
        ★★★★★ 5
        Received giftcard money to replace my plan-protected malfunctioning motherboard
        I've been subscribing to the Asurion protection plan for a while. Recently, an Asus Prime PC motherboard I had bought a few months ago on Amazon stopped working well. I ended up considering filing a claim with Asurion to see if they would either fix/replace it or issue the purchase price money, so I could buy the failed electronics replacement component again for my custom-built PC. I went to the protection plan's website and started the claim filing process but couldn't find the category my failed component would be under in order to select it from the drop-down list. I ended up messaging the live customer service. The chat messaging was somewhat slow, the agent told me they were experiencing some communication delays throughout their systems. Ultimately, the agent was very kind and understanding, and completed the claim filing process for me on her side by asking me to provide the necessary info such as the item's product name, date of purchase, price before taxes, etc. I received a printable UPS shipping label in the email, printed it, and returned the item in the mail. Approximately 2 days later, I received an Amazon giftcard code in the email with the dollar amount equal to the item's price before the sales tax. Then I redeemed the giftcard code on the Amazon page and proceeded to apply the giftcard money to my next purchase of a replacement Asus prime motherboard, and it all worked out successfully. Therefore, I had no issues with the protection plan service and recommend it to others.
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        Reviewed in the United States on May 24, 2026
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        Steve
        Boise, US
        ★★★★★ 4
        Fast and easy but I dont trust the process to be fully automated.
        The process was very smooth and fairly quick. The only challenge I had was that the CLAIM status showed complete but I had to manually go look up the status. There was no email or notification it was closed. After manually checking the status, I called customer support and they said since I called in, they would process the payout. I wonder if I didnt call in if they would have processed it? Also, the phone rep said they would issue me a amazon egift card but then the next day I received a email saying they mailed out the payout. Very poor communication but so far the process was easy and fast.
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        Reviewed in the United States on April 1, 2026
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        Yolanda
        Battle Creek, US
        ★★★★★ 5
        Fit nice
        Color: Blue Crystal, Size: One Size
        Love them
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        Reviewed in the United States on March 17, 2026

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