** SPECIAL DEAL: Purchase an RSX Link ECU and this case together and get $30 off!! Just add both items to your cart for the automatic savings.

Impulse Performance's expertly engineered ECU cases are the perfect solution for housing your Link ECU. While Link offers awesome Plug-and-Play standalone engine management systems for popular vehicles, their ECU's are designed to fit into the original enclosure. If you have a fully functional factory ECU, there's no reason to dismantle and risk potentially damaging it! WIth our professionally engineered cases, you can keep your factory ECU. Simply place the Link Plug-and-Play ECU into our case and install it in your vehicle.

Our cases are meticulously designed to use the factory's original brackets and hardware, providing a flawless OEM fit and finish. They feature additional access ports for effortless wiring to the Link ECU. Crafted for durability, these premium ECU cases incorporate metal threaded inserts, guaranteeing a robust screw thread and extending the lifespan of your case. 

All cases are proudly designed and manufactured in the USA!

Fitment

• 1984 - 1991 BMW E30 series (depending on engine/ecu configuration)
• Link ECU HC20X G4X ECU
• Fits into factory location, using factory hardware