The full plug and play EKPM3 / EKPM2 cooler kit is designed specifically for E60 BMW's using an EKPM3 or EKPM2 fuel pump control module. This is recommended for anyone using a low pressure fuel pump that is larger than the OEM fuel pump. There are two versions of the kit, one with a relay and one without a relay. The relay kit is for those who would prefer to not put an additional load on their 12v outlet circuit due to using that circuit for something with a high load already. The non-relay kit will work perfectly for any normal use of the 12v outlet circuit and only adds an additional up to 0.30 amps onto that circuit, which is very minimal. For all M5's, you will need to use an EKPM2 kit as the EKP module is physically the same size as an EKPM2. If you would like a custom color, choose the "Custom Color" option. Once we receive your order, we will reach out to you via email to ask about your color choice. Please note that custom colors are made-to-order and may take up to 2 weeks before they can be shipped out. We also offer a DIY kit that includes everything you'll need to create your own active cooling solution here: https://arcterminator.com/products/ekp-active-cooling-diy-kit The cooler housing is designed to fit over the EKP module just like the OEM housing and fits with plenty of room in the stock EKP location. The housing is 3D printed using durable ASA, ABS or PETG, depending on the color choice. The full kit is printed and assembled in the U.S.A. by Arc Terminator LLC. Installation Instruction Video: Please note that if you have an HW06 + (Slim EKPM3), you must choose the HW06 option, as the pre-HW06 housings will not fit. 10% of all proceeds from pink housings sold will be donated towards Breast Cancer research. Full Kit Contents: 1x PNP EKPM3 / EKPM2 Cooler Housing With 5015 Fan and Fused Relay 1x 14x14x6mm Heatsink With Thermal Tape 1x 14x9x5mm Heatsink With Thermal Tape 1x 9x9x5mm Heatsink With Thermal Tape (EKPM3 Kit) 2x 9x9x5mm Heatsink With Thermal Tape (EKPM2 Kit) 4x 4" Zip Ties 1x Alcohol Wipe 2x 2 Amp Standard Blade Fuses Why this kit exists: The EKPM3 and EKPM2 have been shown to overheat and cause vehicle shutdown issues when larger fuel pumps that draw more current than OEM are used. This shutdown comes from critical components on the EKPM3 and EKPM2 overheating when larger current draws are coming from the fuel pump. The PNP kit comes with heatsinks for the most heat-sensitive and heat-producing components in the EKPM3 / EKPM2 to further increase cooling effectiveness. When paired with a potent 5015 blower fan that directs a large amount of airflow through the cooler housing, the EKPM3 / EKPM2 stays significantly cooler, which prolongs the life of the module. We also recommend anyone using a larger fuel pump than OEM to properly code their EKP module with Pro-Tool's built-in "Voltage Fix" feature. More information about this is in the FAQ section below. FAQ: Q: The EKPM2 has large electrolytic capacitors in the middle, will they block all the airflow? A: The 5015 blower fan has plenty of power to push past, over and to the sides of the large capacitors and will effectively cool both transistors on the front of the EKPM2. Q: This is 3D Printed, will it be durable enough to be in my car? A: Yes, absolutely! Our housings are made from very durable ASA, ABS or PETG (depending on color options) and are designed to protect the EKP module from accidental impacts that may occur with objects in your trunk. Q: How do I perform a "Voltage Fix" using Pro-Tool? (EKPM3 Only) A: Check out this helpful guide from Skrillah416 on the Spool Street Forums: https://www.spoolstreet.com/threads/e60-fuel-pump-voltage-fix-coding-with-protool.5816/ Q: Why is a relay used instead of just tapping into the wires coming out of the EKP to the fuel pump like I've seen in other DIY's? A: The relay is used in order to take any additional load off of the EKP module as well as to reduce any signal noise that may be produced by the fan. The fan draws less than 1amp of current, and a relay may seem to be "over-kill," but it's the best way to keep the fan circuit isolated and protects other electronic devices from additional interference. Q: Is there any downsides to using the kit that doesn't come with the relay? A: There are not any downsides to using this variant of the PNP kit and it will work just as well as the kit with the relay. Q: I'm a DIY'er, can I buy just the housing? A: Absolutely! The housing alone is available here: Cooler Housing Only Also, if you've got a 3D Printer and you want to do your own thing, the STL file is 100% FREE for download here: https://www.thingiverse.com/thing:5478339 Other Information: Depending on heatsink availability, you may receive heatsinks that look different than what is pictured. However, we have tested both variants of heatsinks and have not noticed any measurable difference in heat dissipation from either style. Please note that the actual EKPM3 or EKPM2 Fuel Pump Control Module is NOT included with this kit and is only shown for fitment. This product is not DOT approved and is not intended to be installed in a vehicle for street use and may void your vehicle's warranty. This product does not guarantee that your EKP fuel pump control module will not fail over time nor will this product fix any existing errors you may have with your vehicle.
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