Dorman 645-735 HVAC Blower Motor Resistor Connector

OE Quality 60-Day Returns

Dorman 645-735 HVAC Blower Motor Resistor Connector

Brand	Dorman 645-735
Overall Length (In)	20 in
Package Contents	1 Pigtail and 5 Butt Connectors
Terminal Gender	Female
Terminal Material	Nickel Plated
Terminal Type	Bullet
Wire Gauge Measurement	16
Wire Quantity	5
Fits	BMW · 88 vehicles

OE direct replacement. Replaces a damaged original connector with a proper fit.

Corrosion-resistant terminals. Nickel-plated terminals help maintain reliable electrical performance.

5-wire pigtail. Includes bullet female terminals for a secure electrical connection.

Cross-references 61126910086 for the same application. See all 1.

$73.49Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

Step 2 — Quantity

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all HVAC Blower Motor Resistor Connector options

BMW HVAC Blower Motor Resistor Connector

Dorman 645-735 is an HVAC blower motor resistor connector built to replace an original equipment connector damaged by corrosion or overheating. It uses corrosion-resistant, nickel-plated terminals to support reliable electrical contact in the blower motor circuit.

HVAC blower motor resistor connector for BMW applications
5-way female connector with leads for repair-style replacement
16-gauge wire construction
Bullet terminal design with nickel-plated terminal material
Overall length: 20 in
Includes pigtail and butt connectors for wire repair

Detailed Product Overview

This Dorman HVAC blower motor resistor connector is designed for BMW models that use a black 5-way female connector with leads. Part number 645-735 addresses connector damage caused by heat buildup, corrosion, or terminal wear at the blower motor resistor circuit. The result is a direct electrical repair solution for restoring blower motor function when the original connector has failed.

Compatible BMW applications include 2004-2010 BMW X3, 2001-2006 BMW 325Ci, 330Ci, and M3, 2000-2006 BMW X5, and additional 3 Series, 5 Series, and 7 Series applications listed in the fitment data. If you are searching for a BMW HVAC blower motor resistor connector 645-735 or a replacement connector for BMW blower motor resistor wiring repair, this part matches those service needs.

This part cross-references BMW 61126910086 for the same application.

Common Repair Uses

Blower motor stops working because the connector has overheated
Intermittent HVAC fan operation caused by damaged terminals
Corrosion at the resistor connector affecting electrical continuity
Melted or brittle connector housing at the blower motor resistor plug
Wiring repair on BMW HVAC fan motor circuits

Installation Notes and Tips

Match the connector style, terminal count, and wire gauge before installation. Verify the vehicle uses a black 5-way female connector with leads and compare the original connector to the replacement before splicing. Use proper electrical repair practices when joining the leads and secure the harness away from heat sources.

Quality Assurance

Dorman designs replacement electrical connectors to restore failed OE-style connections with corrosion-resistant terminals and service-focused construction. Part number 645-735 is built for BMW HVAC blower motor resistor repair applications where the original connector has been damaged by heat or corrosion.

This part fits 88 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Body Type	Position	Notes
2010	BMW	X3	—	N/A	Black; 5 Way Female w/Leads
2009	BMW	X3	—	N/A	Black; 5 Way Female w/Leads
2008	BMW	X3	—	N/A	Black; 5 Way Female w/Leads
2007	BMW	X3	—	N/A	Black; 5 Way Female w/Leads
2006	BMW	325Ci	—	N/A	Black; 5 Way Female w/Leads
2006	BMW	330Ci	—	N/A	Black; 5 Way Female w/Leads
2006	BMW	M3	—	N/A	Black; 5 Way Female w/Leads
2006	BMW	X3	—	N/A	Black; 5 Way Female w/Leads
2006	BMW	X5	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	320i	Sedan	N/A	Black; 5 Way Female w/Leads
2005	BMW	325Ci	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	325i	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	325xi	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	330Ci	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	330i	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	330xi	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	M3	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	X3	—	N/A	Black; 5 Way Female w/Leads
2005	BMW	X5	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	320i	Sedan	N/A	Black; 5 Way Female w/Leads
2004	BMW	325Ci	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	325i	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	325xi	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	330Ci	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	330i	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	330xi	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	M3	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	X3	—	N/A	Black; 5 Way Female w/Leads
2004	BMW	X5	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	320i	Sedan	N/A	Black; 5 Way Female w/Leads
2003	BMW	325Ci	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	325i	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	325xi	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	330Ci	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	330i	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	330xi	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	525i	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	530i	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	540i	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	M3	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	M5	—	N/A	Black; 5 Way Female w/Leads
2003	BMW	X5	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	320i	Sedan	N/A	Black; 5 Way Female w/Leads
2002	BMW	325Ci	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	325i	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	325xi	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	330Ci	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	330i	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	330xi	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	525i	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	530i	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	540i	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	M3	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	M5	—	N/A	Black; 5 Way Female w/Leads
2002	BMW	X5	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	320i	Sedan	N/A	Black; 5 Way Female w/Leads
2001	BMW	325Ci	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	325i	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	325xi	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	330Ci	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	330i	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	330xi	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	525i	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	540i	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	M3	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	M5	—	N/A	Black; 5 Way Female w/Leads
2001	BMW	X5	—	N/A	Black; 5 Way Female w/Leads
2000	BMW	323Ci	Convertible	N/A	Black; 5 Way Female w/Leads
2000	BMW	323Ci	Coupe	N/A	Black; 5 Way Female w/Leads
2000	BMW	323i	Sedan	N/A	Black; 5 Way Female w/Leads
2000	BMW	323i	Wagon	N/A	Black; 5 Way Female w/Leads
2000	BMW	328Ci	—	N/A	Black; 5 Way Female w/Leads
2000	BMW	328i	Sedan	N/A	Black; 5 Way Female w/Leads
2000	BMW	528i	—	N/A	Black; 5 Way Female w/Leads
2000	BMW	540i	—	N/A	Black; 5 Way Female w/Leads
2000	BMW	M5	—	N/A	Black; 5 Way Female w/Leads
2000	BMW	X5	—	N/A	Black; 5 Way Female w/Leads
1999	BMW	323i	Sedan	N/A	Black; 5 Way Female w/Leads
1999	BMW	328i	Sedan	N/A	Black; 5 Way Female w/Leads
1999	BMW	528i	—	N/A	Black; 5 Way Female w/Leads
1999	BMW	540i	—	N/A	Black; 5 Way Female w/Leads
1998	BMW	328i	Sedan	N/A	Black; 5 Way Female w/Leads
1998	BMW	528i	—	N/A	Black; 5 Way Female w/Leads
1998	BMW	540i	—	N/A	Black; 5 Way Female w/Leads
1997	BMW	328i	Sedan	N/A	Black; 5 Way Female w/Leads
1997	BMW	528i	—	N/A	Black; 5 Way Female w/Leads
1997	BMW	540i	—	N/A	Black; 5 Way Female w/Leads
1996	BMW	328i	Sedan	N/A	Black; 5 Way Female w/Leads
No rows match your filter.

Directly replaces or cross-references 1 part number

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

61126910086