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Standard IgnitionPart #: CBS-1858
Standard Ignition CBS-1858 Headlight Dimmer Switch
⚙️ 119 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$180.79Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, X3, Z4, 325Ci, 325i, 330Ci, M3, X5, 325xi, 330i, 330xi, 525i, 530i, 540i, M5, 740i, 740iL, 750iL, 323Ci, 323i, 328Ci, 328i, and 528i
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Headlight Dimmer Switch options
Reliable Headlight Dimmer Switch for BMW Vehicles
The Standard Ignition CBS-1858 headlight dimmer switch is designed to restore proper lighting control in select BMW models. This switch ensures smooth operation of your vehicle's high and low beam headlights, maintaining safety and functionality.
Key Features of Standard Ignition CBS-1858
- Compatible with a wide range of BMW models including 3 Series, 5 Series, 7 Series, X3, X5, Z4, M3, and M5
- Direct replacement for factory headlight dimmer switches
- Durable construction for consistent performance
- Part number CBS-1858 ensures precise fit and function
- Designed for electrical, lighting, and body system integration
Product Details and Compatibility
The Standard Ignition CBS-1858 headlight dimmer switch is engineered to meet OEM specifications for BMW vehicles such as the 323Ci, 325i, 328i, 330i, 525i, 530i, 540i, 740i, 750iL, X3, X5, Z4, M3, and M5 models. This switch controls the transition between high and low beam headlights, providing reliable electrical switching within the lighting system. Its robust design supports long-term use in demanding automotive environments.
Common Applications and Issues Addressed
- Restores headlight dimmer functionality when switching between high and low beams is inconsistent or unresponsive
- Eliminates flickering or failure of headlights due to faulty switch operation
- Resolves electrical issues related to headlight control circuits in compatible BMW models
- Prevents potential safety hazards caused by malfunctioning headlight dimmer switches
Installation Notes and Tips
- Ensure vehicle ignition is off before beginning installation
- Disconnect the battery to prevent electrical shorts during replacement
- Remove the steering column covers carefully to access the dimmer switch
- Match the part number CBS-1858 to confirm compatibility before installation
- Test headlight operation after installation to verify proper function
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance for your BMW vehicle. The CBS-1858 headlight dimmer switch undergoes rigorous quality control to ensure durability and consistent operation. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship.
| Brand | Standard Ignition |
| Part Number | CBS-1858 |
| Attachment Method | Bolt On |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Contents | Switch |
| Cruise Control Cancel Included | No |
| Cruise Control On/Off Operator Inc | No |
| Cruise Control Resume Included | No |
| Cruise Control Set Included | No |
| Cruise Control Speed Adjustment In | No |
| Displayed | Yes |
| Fog Light Operator Included | No |
| Functions | Combination Switch |
| Indicator Markings Included | Yes |
| Latching High Beam Operator Includ | Yes |
| Main Light Operator Included | No |
| Momentary High Beam Flasher Includ | Yes |
| New or Reman | New |
| Number Of Connector Cavities | 1 |
| Rear Window Washer Spray Included | No |
| Rear Window Wiper Delay Control In | No |
| Rear Window Wiper Speed Setting In | No |
| Running Light Operator Included | No |
| Terminal Gender | Male |
| Terminal Type | Pin |
| Turn Signal Control Included | Yes |
| Turn Signal/Directional Indicator | Yes |
| Voltage | 12 |
| Windshield Washer Spray Included | No |
| Windshield Wiper Delay Setting Inc | No |
| Windshield Wiper Speed Setting Inc | No |
This part fits 119 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2010 | BMW | X3 | GAS | N/A | Compatible with vehicles equipped with Trip Computer Controls. | |||
| 2010 | BMW | X3 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2009 | BMW | X3 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2009 | BMW | X3 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2008 | BMW | X3 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2008 | BMW | X3 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2008 | BMW | Z4 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2007 | BMW | X3 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2007 | BMW | X3 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2007 | BMW | Z4 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2006 | BMW | 325Ci | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2006 | BMW | 325i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2006 | BMW | 330Ci | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2006 | BMW | M3 | 3.2L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2006 | BMW | X3 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2006 | BMW | X3 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2006 | BMW | X5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2006 | BMW | X5 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2006 | BMW | X5 | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2006 | BMW | X5 | 4.8L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2006 | BMW | Z4 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2005 | BMW | 325Ci | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | 325i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | 325xi | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | 330Ci | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | 330i | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | 330xi | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | M3 | 3.2L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | X3 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2005 | BMW | X3 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | X3 | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | X5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2005 | BMW | X5 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | X5 | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | X5 | 4.8L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2005 | BMW | Z4 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2004 | BMW | 325Ci | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | 325i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | 325xi | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | 330Ci | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | 330i | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | 330xi | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | M3 | 3.2L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | X3 | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | X3 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | X5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2004 | BMW | X5 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | X5 | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | X5 | 4.8L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2004 | BMW | Z4 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2003 | BMW | 325Ci | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | 325i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | 325xi | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | 330Ci | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | 330i | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | 330xi | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | 525i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | 530i | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | 540i | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | M3 | 3.2L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | M5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2003 | BMW | X5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2003 | BMW | X5 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | X5 | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | X5 | 4.6L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2003 | BMW | Z4 | 2.5L | L6 | N/A | w/ Trip Computer Controls; w/ Steering Wheel Controls; w/ Cruise Control | ||
| 2003 | BMW | Z4 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2002 | BMW | 325Ci | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | 325i | 2.5L | L6 | N/A | w/ Trip Computer Controls; w/ Steering Wheel Controls; w/ Cruise Control | ||
| 2002 | BMW | 325xi | 2.5L | L6 | N/A | w/ Trip Computer Controls; w/ Steering Wheel Controls; w/ Cruise Control | ||
| 2002 | BMW | 330Ci | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | 330i | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | 330xi | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | 525i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | 530i | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | 540i | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | M3 | 3.2L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | M5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2002 | BMW | X5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2002 | BMW | X5 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | X5 | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2002 | BMW | X5 | 4.6L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 325Ci | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 325i | 2.5L | L6 | N/A | w/ Trip Computer Controls; w/ Steering Wheel Controls; w/ Cruise Control | ||
| 2001 | BMW | 325xi | 2.5L | L6 | N/A | w/ Trip Computer Controls; w/ Steering Wheel Controls; w/ Cruise Control | ||
| 2001 | BMW | 330Ci | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 330i | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 330xi | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 525i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 530i | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 540i | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 740i | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 740iL | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | 750iL | 5.4L | V12 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | M3 | 3.2L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | M5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2001 | BMW | X5 | 3.0L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2001 | BMW | X5 | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | 323Ci | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | 323i | 2.5L | L6 | N/A | w/ Trip Computer Controls; w/ Steering Wheel Controls; w/ Cruise Control | ||
| 2000 | BMW | 328Ci | 2.8L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | 328i | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2000 | BMW | 328i | 2.8L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | 528i | 2.8L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | 540i | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | 740i | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | 740iL | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | 750iL | 5.4L | V12 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 2000 | BMW | M5 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||||
| 2000 | BMW | X5 | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 1999 | BMW | 323i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 1999 | BMW | 328i | Sedan | N/A | Compatible with vehicles equipped with Trip Computer Controls. | |||
| 1999 | BMW | 528i | 2.8L | L6 | N/A | w/ Trip Computer Controls; From 3/99 | ||
| 1999 | BMW | 540i | 4.4L | V8 | N/A | w/ Trip Computer Controls; From 3/99 | ||
| 1999 | BMW | 540i | 4.4L | V8 | N/A | Compatible with vehicles equipped with Trip Computer Controls. | ||
| 1999 | BMW | 740i | 4.4L | V8 | N/A | w/ Trip Computer Controls; From 3/99 | ||
| 1999 | BMW | 740iL | 4.4L | V8 | N/A | w/ Trip Computer Controls; From 3/99 | ||
| 1999 | BMW | 750iL | 5.4L | V12 | N/A | w/ Trip Computer Controls; From 3/99 | ||
| 1998 | BMW | 323i | 2.5L | L6 | N/A | Compatible with vehicles equipped with Trip Computer Controls. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
1S11790201-269561318363668DL7258S16058SW8988V20-80-1600
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.