SKU: 14085666648

Improved Racing BMW Oil Cooler Thermostat 180F For N20, N54, N55, S55 Engine

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Description

Improved Racing BMW Oil Cooler Thermostat 180F For N20, N54, N55, S55 EnginePrecise Oil Temperature Control for Your BMW Upgrade your BMW N20, N26, N51, N52, N53, N54, N55, and S55 engine's oil temperature control with Improved Racing's high performance oil cooler adapter. Designed to address flaws in the factory's restrictive oil cooler adapter and faulty internal flow control valve, this upgrade ensures precise oil temperature control. Improved Racing's thermostat provides quick engine warmup, prevents overcooling, and

Precise Oil Temperature Control for Your BMW

Upgrade your BMW N20, N26, N51, N52, N53, N54, N55, and S55 engine's oil temperature control with Improved Racing's high-performance oil cooler adapter.

Designed to address flaws in the factory's restrictive oil cooler adapter and faulty internal flow control valve, this upgrade ensures precise oil temperature control.

Improved Racing's thermostat provides quick engine warmup, prevents overcooling, and delivers full oil cooling capacity on demand. Trusted by professional race teams around the globe, Improved Racing's thermostats have proven highly reliable, are backed by a lifetime manufacturers warranty, and are made in the USA.

Option to Use the Factory Oil Cooler and Lines

The optional factory oil line adapter allows you to use the factory oil cooler lines for a simple, plug-and-play installation. For maximum performance, the factory oil cooler and lines may be replaced with an aftermarket cooler and AN lines using the AN adapter fittings (-10AN line size is recommended).


Please note that some applications, such as most BMW SUV's, use a water-to-oil heat exchangers. These applications require plugging the coolant supply and return ports, as well as adding an external air-to-oil cooler and lines (factory or aftermarket). Please note the EBW-100 adapter cannot be used without an oil cooler.

Vehicle Fitment

Designed for a direct fit to any BMW engine equipped with oil filter housing part number 11428683206 or 11428642289 (circled in blue in the diagram below). The application is extremely large and covers most BMW cars and SUV's across all series!

You may view our complete application list, including chassis and engine code, in the EBW-100 Complete Application Reference file found in the documentation section at the bottom of this page.

Compatible with all applications equipped with the following BMW engines:

  • BMW N20 engines
  • BMW N26 engines
  • BMW N51 engines
  • BMW N52 engines
  • BMW N53 engines
  • BMW N54 engines
  • BMW N55 engines
  • BMW S55 engines

Determining Your Application

Some applications require adding an external oil cooler. To determine your specific application, refer to the diagram below.

  1. Direct-fit applications (green circle): If your vehicle is equipped with the oil cooler manifold circled in green, you can replace it with the EBW-100 and sometimes use the optional factory line adapter to retain the factory oil cooler (see additional notes on variants below). You may also replace your oil cooler and/or lines with aftermarket AN lines to improve performance with any of the three variants below.
    1. Variants: There are three variants of the factory thermostat housing:
      1. The first variant has factory lines exiting the bottom of the factory housing, and uses an M8 screw inserted from the bottom. The EBW-100 is a direct bolt on for this application using the factory lines with the optional factory oil line adapter (EBW-100-98).
      2. The second common variant has factory lines exiting the bottom, but uses an M6 screw that is inserted from the top to retain the factory lines. To use the factory lines on this variant, the M6 hole in the center of the factory line flange must be drilled out to clear the provided M8 screw. If using aftermaket lines, the EBW-100 will work without any modifications.
      3. The third common variant has factory lines exiting the top of the factory housing. The EBW-100 cannot be used with factory lines in this case. You must use aftermarket AN lines. Improved Racing is developing a new adapter for this application, which will be available soon.

  2. Applications requiring the addition of an oil cooler (red circle): If your vehicle is equipped with the water-to-oil cool circled in red, you will need to perform these additional modifications:
    1. Cap off the coolant feed and return ports at the source.
    2. Install an OEM BMW air-to-oil cooler and lines, or install an aftermarket air-to-oil cooler and aftermarket AN lines.
      Warning: A cooler must always be equipped. Do not cap off the inlet and outlet ports of the EBW-100. This will result in the complete blockage of oil flow to your engine!

Temperature Rating Specifications

 

Part Number Typ. Stabilization Temp Activation Temp Full Flow Temp
EBW-100-T4 180°F (82.2°C) 180°F (82.2°C) 203ºF (95ºC)


Specifications

Port Size
  • 10AN O-ring boss inlet and outlet ports.
Construction
  • CNC-machined from 6061-T6 aluminum and MilSpec Type II anodized.
Parts Included
  • EBW-100 thermostatic oil cooler adapter
  • Replacement OEM-style rubber gasket
  • Mounting Hardware
Country of Manufacture
  • United States of America
Warranty
  • Lifetime warranty
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: 14085666648

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J. Martin
West Palm Beach, US
★★★★★ 5
Excellent for small dog!
These are very colorful and well made. They are flat, but wonderfully crinkly. Good sturdy material for medium to small dog. Looks like they will last a long time. My dog loves them.
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Reviewed in the United States on May 27, 2026
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Verified Purchase
Gerre L. Scherz
Lexington, US
★★★★★ 5
Our dog loves them!
Our Puggy told me these toys are the best ever! Their squeakers work…still… and she has moved these into our bed
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
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Verified Purchase
capriceclassic
Bozeman, US
★★★★★ 5
Awesome for hyper dogs
Color: Blue
AWESOME - I have a dog that just won't stop trying to get me to play with him ALL day! I turn this thing on and he goes nuts and tires himself out...without any help from me. The cover got torn off and torn up in minutes but he doesn't care. He just wants this ball. My other dogs, who are older, aren't really interested. But if you have a hyper dog this is the thing for you and them!
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Reviewed in the United States on April 28, 2026
S
Verified Purchase
Shannon
Massapequa, US
★★★★★ 5
Great entertainment, charges quickly!
Color: Orange
Super fun entertainment for dog! Toy ball charges quickly and the charge lasts for at least an hour of playtime for the dog. There are 2 modes. one mode Just lights up, which makes it easy for pet to chase it. The second mode not only lights up, but it also wiggles on the ground Randomly and speeds off in a direction on its own, which really makes it interesting for your dog or cat to follow! Once the ball is not touched for about thirty seconds, it goes dormant and it will stay like that As long as it's charged until somebody touches it, and then it starts up randomly lighting up and moving around the floor on its own And making a vibration noise. It's a lot of fun to watch the dog chase and play with, and it certainly keeps them entertained for a while! The laughs and fun entertainment are definitely worth it. The only downside is that my dog chewed off the soft fabric covering in about twenty minutes.And she's not a real big chewer. It looks better with the covering on it, but even without it, the ball works fine and she plays with it every day.So that is not a showstopper. But good to supervise your dog for safety.In case they are a chewer, and they decide to destroy the cover. But the ball works fine without the cover too!
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Reviewed in the United States on March 12, 2026
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Verified Purchase
Shanna S.
San Leandro, US
★★★★★ 4
Looooves her crazy new ball
Color: Orange, Color: Orange
Our 90lb mastiff/boxer mix Indie is very playful, curious and energetic. She needs toys that engage her and keep her busy. This ball does the job! We’ve had it for less than a week. Here’s what I love and what could be better: PROS: • She dog loves it. She whines for it. She gets absurdly excited when I get it out. She’s a bit of an anxious dog, but had zero problems with it inexplicably coming to life. • It lasts a while on a single charge, so it keeps her busy for a good long time. The longest we’ve used it at a stretch is an hour. • It’s pretty durable. She’s a super chewer (destroyed every “non-destructible” toy we’ve purchased for her), but the actual ball is hard plastic. She gnaws on it and it gets scratches, for sure. But she’s not going to chew it to pieces. • On carpet, it’s reasonably quiet. • It comes with a replaceable silicone button. • It’s easy to charge…just pull off the silicone button and the charging port is inside. • The silicone button is flush with the ball’s hard plastic surface, so there’s no way for her to pull the silicone button out and swallow it or get to the charging port. CONS: • Cover is worthless if your dog is a chewer. It goes on like an envelope with a Velcro closure. We took it off immediately. • Without the cover, it’s very noisy on hardwood floors. To us, it’s worth it. (Though, I work from home, so I might feel differently after the holiday vacation.) • She’s an XL dog, so she can fit the whole ball in her mouth easily and accidentally chomp down on the button and turn the ball off. Not a big deal, just something to know if you’ve got a Lab or larger dog. • With extended playtime, the two halves can come unscrewed, especially with a large dog who uses their paws/jaws on it a lot. Thankfully, it makes a loud buzzing noise when this happens, so we know we need to take it from her and screw it back together. Is this a potential danger? With the rechargeable battery inside, I’d say yes. But we also don’t let her play with this toy without supervision. So keep that in mind. Bottom line: It has its drawbacks, but it keeps her entertained and seems like it should last her at least 6 months with supervised play. Which is honestly REALLY good when we’re talking about Indie, Destroyer of Toys. I’d buy it again.
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Reviewed in the United States on December 31, 2024

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