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Standard Ignition RU-618 HVAC Blower Motor Resistor - Front
| Brand | Standard Ignition RU-618 |
|---|---|
| Position | Front |
| Attachment Method | Screw |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Hardware Included | No |
| Harness Length - cm | No wire |
| Harness Length - inches | No wire |
| Mounting Bracket(s) Included | No |
| Number Of Connector Cavities | 2 |
| Number Of Speeds | 3-5 speed |
| Terminal Gender | Male |
| Terminal Quantity | 5 |
| Terminal Type | Bullet |
| Voltage | 12 |
| Wiring Harness Included | No |
| Fits | BMW · 26 vehicles |
Direct replacement. Screw-mounted blower motor resistor with a 2-cavity rectangular connector.
3-5 speed control. Supports multiple blower speeds for precise HVAC fan operation.
12-volt design. Built for standard automotive electrical systems.
Cross-references Dorman - HELP 20717, Global Parts Distributors LLC 1712919 and Standard Ignition RU-618 for the same application. See all 12.
HVAC Blower Motor Resistor for BMW Front Applications
Standard Ignition RU-618 is an HVAC blower motor resistor for 12-volt systems with a 3-5 speed blower setup. It uses a rectangular female connector, 5 male bullet terminals, and screw attachment for a direct-fit style replacement in supported BMW front HVAC applications.
Key Features
- Standard Ignition RU-618 HVAC blower motor resistor
- 12-volt electrical design
- 3-5 speed blower motor control range
- Rectangular female connector with 2 connector cavities
- 5 male bullet terminals
- Screw-mounted installation
- No wiring harness, mounting bracket, or hardware included
Detailed Description
RU-618 is built for BMW HVAC systems that use a resistor-based blower speed control circuit. It is listed for front-position applications on 2006-2008 BMW 750i, 2006-2008 BMW 750Li, 2003-2008 BMW 760Li, 2004-2006 BMW 760i, 2002-2005 BMW 745i, 2002-2005 BMW 745Li, and 1991 BMW M3. This part cross-references Dorman - HELP 20717 for the same application. Standard Ignition RU-618 is also referenced by interchange numbers including RU1311 and V20-79-0006-1.
What It Is Used For
- Restoring blower fan speed control in BMW HVAC systems
- Correcting inoperative low, medium, or high fan settings
- Addressing erratic cabin airflow caused by a failed resistor
- Replacing a heat-damaged or electrically open blower resistor
- Repairing front HVAC blower speed operation on supported BMW models
Installation Notes and Tips
Verify connector style, terminal count, and mounting method before installation. This resistor uses a screw attachment, a rectangular female connector, and no wire harness, so the vehicle-side connector and terminals must match the original layout. Confirm the application by year, model, and front HVAC position before replacing the part.
Quality Assurance
Standard Ignition supplies this HVAC blower motor resistor as a cataloged replacement component for the listed BMW applications. Confirm fitment against the vehicle’s original resistor configuration and electrical connection details before installation.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | BMW | 750i | Front | — |
| 2008 | BMW | 750Li | Front | — |
| 2008 | BMW | 760Li | Front | — |
| 2008 | BMW | Alpina B7 | N/A | — |
| 2007 | BMW | 750i | Front | — |
| 2007 | BMW | 750Li | Front | — |
| 2007 | BMW | 760Li | Front | — |
| 2007 | BMW | Alpina B7 | N/A | — |
| 2006 | BMW | 750i | Front | — |
| 2006 | BMW | 750Li | Front | — |
| 2006 | BMW | 760i | Front | — |
| 2006 | BMW | 760Li | Front | — |
| 2005 | BMW | 745i | N/A | — |
| 2005 | BMW | 745Li | N/A | — |
| 2005 | BMW | 760i | Front | — |
| 2005 | BMW | 760Li | Front | — |
| 2004 | BMW | 745i | N/A | — |
| 2004 | BMW | 745Li | N/A | — |
| 2004 | BMW | 760i | Front | — |
| 2004 | BMW | 760Li | Front | — |
| 2003 | BMW | 745i | N/A | — |
| 2003 | BMW | 745Li | N/A | — |
| 2003 | BMW | 760Li | Front | — |
| 2002 | BMW | 745i | N/A | — |
| 2002 | BMW | 745Li | N/A | — |
| 1991 | BMW | M3 | N/A | — |
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