Standard Ignition RY-777 Computer Control Relay

Computer Control Relay for BMW and Mini

Standard Ignition RY-777 is a 12 V computer control relay built for electrical switching in select BMW, Mini, and Land Rover applications. It uses a square connector shape, 5 male blade terminals, and a push-on mounting style for direct replacement service.

With a 20 A amperage rating and relay-only contents, the Standard Ignition RY-777 is a practical choice when replacing a failed control relay in vehicles such as the BMW 3 Series, 5 Series, X5, and Mini Cooper.

Key Features

• 12 V computer control relay for electrical system service
• 20 A amperage rating for relay-controlled circuits
• Square connector shape with 5 male blade terminals
• Push-on mounting type
• Relay included; mounting hardware and bracket not included
• Cross-references Bosch 16017 and Four Seasons 36205 for the same application

Detailed Description

Standard Ignition RY-777 is a computer control relay used in a wide range of import vehicle electrical systems. The 5-terminal blade design and square connector layout support straightforward replacement where the original relay matches the same configuration. This part number, RY-777, also appears in interchange listings for several aftermarket and OE-style references, helping simplify cross-checking during diagnosis and ordering.

Compatible With select BMW and Mini models including 2000-2007 BMW X5, 2001-2006 BMW 325i, 2001-2006 BMW 330i, 1996-2002 BMW Z3, and 2002-2014 Mini Cooper. Additional coverage includes certain BMW 5 Series, 7 Series, M3, M5, Z4, Z8, and Land Rover Range Rover applications listed in the fitment data.

What It Helps Resolve

• Intermittent relay operation in controlled electrical circuits
• No-start or accessory power issues caused by a failed relay
• Headlamp or low-beam circuit faults on listed BMW applications
• Electrical switching problems tied to worn relay contacts
• Replacement needs for a matching 12 V, 5-terminal relay layout

Installation Notes and Tips

Verify the original relay’s connector shape, terminal count, terminal type, and amperage rating before installation. This part uses a push-on mounting style and does not include a mounting bracket or mounting hardware. Some fitments include notes such as low beam, touring package, or alternator compatibility; confirm those details before purchase, especially on BMW and Mini Cooper applications.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical components, and RY-777 is listed with multiple interchange references for application matching. Confirm vehicle-specific fitment against the original relay and system requirements before installation.