ERCompetitionSeriesOilCoolerUpgradeKitforN54,N55135iwithFEWidebodyBumper-Aluminum

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Description

BMW Performance Parts: ER Competition Series Oil Cooler Upgrade Kit for N54, N55 (BM-COOL001)

Product Features & Benefits

After 3 years of development, they're finally ready. Introducing Evolution Racewerks' Competition Series Twin Oil Cooler System that SOLVED the dreaded limp mode!

Ease of Installation: (1 Easy, 5 Hard) 2
Key Features:
  • COMPLETELY SOLVES THE DREADED LIMP MODE ISSUE found on the N54/N55 engines due to oil temperature!
  • TWO large 9"x8"x2" (11"x8"x2" with end tanks) Oil Coolers.  Factory stock single oil cooler 8.75"x4.75"x1"
  • Over 700% larger (combined twin coolers) than the factory oil coolers!!!
  • Twin coolers have a total of 288 cubic inches of core!  Factory oil cooler has 41 cubic inches.
  • Enclosed box with venting louvers - protects oil coolers from road debris without sacrificing airflow!
  • High Quality Goodrich AN Fittings in Black Anodize - NO China made fittings used here.
  • High End Goodrich Nylon Braided Oil Lines - much better than Stainless Steel braided Oil Lines
  • Optional Carbon Fiber or Aluminum Shrouding to direct airflow through the oil coolers for improved efficiency.
  • Includes all hardware needed to install.  No need to go hunting for hardware to finish the installation.
  • Developed under the harsh racing conditions on our 135i Race Car.
  • Limited Lifetime Warranty.

 The 135i/335i comes from the factory with a small oil cooler with a core size of 8.75"x4.75"x1" (222mmx121mmx26mm) which comes out to 41 cubic inches of core.  The Competition Series Twin Oil Cooler system features two HUGE identical oil coolers 11"x8"x2" (280mmx203mmx51mm) with a core size of 9"x8"x2" (229mmx203mmx51mm) each.  Each oil cooler comes out to 144 cubic inches which is 3.5 times larger than the factory unit each!  Since there are two oil coolers, you have a combined 288 cubic inches of oil cooler core, over 700% more core than the factory oil cooler.  Through 3 years of development and testing, our Competition Series Oil Cooler has kept our Time Attack 135i from seeing the dreaded limp mode issue due to oil temperatures.  Regardless of conditions (ambient temperatures and track lay out), we have never exceeded 259F!!!  This is in 110F+ track temperatures and wide open throttle pulls all the way to 6 gear (160+ mph).  Through test cars used in our beta testing program, we are getting independently gathered, unbiased data showing the same exact thing.Each Competition Series Twin Oil Cooler mounts to its own box enclosure.  Louvers on the backside of the box enclosure ensures airflow through the oil coolers while protecting the oil cooler from road debris, especially debris kicked up from the front tires.  During initial testing, our box enclosure had a big window (open hole) in the back for airflow.  However, throughout the race season, it took so much abuse from rocks, tire and other debris kicked up from the front tires that we had to replace the oil coolers on our Time Attack 135i.  Thus, instead of a big hole for airflow to flow through, we used louvers instead to protect the back side of the oil coolers.  This effectively solved the issue without any affect on performance.  Oil temperatures as well as oil temperature deltas stayed the same. 

 Everything needed to install is included with the kits.  No low quality, cheap fittings and lines made overseas used here.  High quality Goodrich anodized black AN fittings and high end Goodrich Nylon Braided Lines are used throughout the kit.  These high end Goodrich Nylon Braided lines are the new thing to use for oil lines as they have many advantages and no disadvantages (other than higher price) than traditional stainless steel braided lines.  The main advantage is that they are lightweight.  Nylon is considerably lighter than stainless steel.  The second advantage is that Nylon Braided Lines are stronger than traditional stainless steel lines.  Third, is that Nylon Braided Lines do not fray.  Stainless steel braided lines will start to fray and those who are familiar with stainless steel braided lines know what we're talking about.  The stainless steel mesh in the lines start to "fray" or break and thus you get poked with the broken ends.  Saves a lot of bloody fingers.  Fourth, they are abrasive resistant.  Since stainless steel lines will act like a saw when it comes in contact with anything and will eventually cut anything it contacts whereas the Nylon braided lines are soft and pretty much won't ever do it.  Fifth, heat resistance.  Nylon Braided lines can withstand more heat and retain the heat inside the line better.  Stainless steel lines tends to release the heat inside the lines, thus when you touch the lines, they tend to be hot.  With all these advantages of the Nylon Braided Lines over stainless steel lines, it's the obvious choice for an Evolution Racewerks product.

 Traditionally, oil lines would typically be routed so that the oil gets split to each of the oil coolers (each oil cooler handling 50% of the oil) due to ease of building the system and lower costs. ER Competition Series Twin Oil Cooler Systems however are setup in a "sequential" configuration.  What this means is that oil travels from one cooler to the other thereby 100% of the oil goes through both oil coolers. Testing have shown significant increases in efficiency and performance running a "sequential" configuration.  Our new CNC machined oil filter housing adapter (included in the kit) makes this possible.

Additional Details

Fitment:

  • 2007-2010 BMW 335i N54
  • 2008-2010 BMW 135i N54
  • 2011+ BMW 135 N55
  • 2011-2012 BMW 335i N55

The Dreaded Limp Mode....

Once ER figured out it was oil temperatures causing the limp mode, they went straight to work trying to solve the issue. Starting off first by adding a small auxiliary oil cooler in conjunction with the factory oil cooler.  This was a laughable attempt. This did absolutely nothing noticeable.  The next race, limp mode just like before.  On the next attempt, discovered that maybe the factory oil cooler just wasn't really efficient.  Thus, a new, larger unit would be needed. With the new oil cooler with the small auxiliary oil cooler, ER finally saw a slight drop in oil temperatures.  However, it wasn't much and again, at the next race, limp mode.  The next attempt saw ER building ducting shrouds to channel cold air to the oil coolers.  Again, this saw another drop in oil temperatures and better ability to fight off "heatsoak" but still, not enough.  The car would still limp at the track. Frustration was setting in. Many long days going to the track being ruined by limp mode. This was ER's 2008 race season.
 

With the 2009 race season looming, ER decided to go all out. Tired of limp mode. Tired of trying to get the car to do 1 lap under full power. Tired of finishing in the middle of the pack. This was when the twin oil coolers was born. ER scrapped the small auxiliary oil cooler and added an identical, larger oil cooler on the driver's side.  Thus, 2 large oil coolers, one on each corner.  The first race, everyone though ER was crazy running 2 large oil coolers; yet SUCCESS!  Oil temperatures had dropped significantly.  Now able to do more than 1 lap under full power. 

Yet, this was not the end of the limp mode journey.  Evolution Racewerks is located in Southern California and thus, they frequently see ambient temperatures over 100F.  The race tracks are also all located in the high desert region.  Perfect for some extreme testing.  Even though the limp mode issue was now under control with the twin oil coolers, on very hot days, it would rear its ugly head.  Also, on certain high speed tracks where the car would be at WOT for long periods of time, like Autoclub Speedway's oval configuration (think Nascar), occassionally limp mode would return.  Thus, ER spent the entire 2009 season refining the twin oil cooler system.  Originally, the oil lines were routed so that the oil split at the oil filter housing.  This originally started because of earlier attempts to keep the factory oil cooler.  Yet it dawned on ER that this was not efficient.  In essence, since the oil was being split in half, each going to one of the oil coolers, all the oil wasn't being cooled with both coolers.  Granted, it still worked since each cooler is now only charged to cool down half the oil in the system but it was inefficient.  Thus, it was necessary to devise a new system to run the oil lines sequentially to take full advantage of both oil coolers.  Oil now runs from the oil filter housing to the first oil cooler.  Then it runs to the second oil cooler and back to the oil filter housing. Basically, now 100% of the oil was going through both oil coolers.  With the new oil line system, a big change came race day.  The oil temperatures again dropped but what also changed was how much longer the oil cooler fought off "heatsoak".  Temperatures were more stable and stayed lower longer throughout the whole race session. And the best thing of it all?  This completely SOLVED the dreaded limp mode problem!  By the end of the 2009 race season, limp mode was a thing of the past. Regardless of temperature or track, ER NEVER again experienced the dreaded limp mode!

Kit Options:

When the oil cooler box enclosures are used in conjunction with the optional ducting shroud kits, the oil cooler box enclosure actually seals and forces all the airflow captured by the ducting shrouds through the oil cooler cores.  Improves the oil cooler's effectiveness and efficiency.  The ducting shroud kits are available in aluminum.  These are model and bumper specific so make sure you order the correct shroud kit.


10% OFF Installation

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