1. Product Overview
The Dpam Suspension Ride Height Level Sensor is a precision-engineered automotive part designed to maintain optimal vehicle suspension performance. It is molded to OEM specifications, ensuring precise vehicle compatibility without the need for secondary machining. Constructed from premium durable materials, it offers resistance to corrosion and aging, making it suitable for various environmental conditions, including high and low temperatures and harsh road conditions. Rigorous testing ensures stability, reliability, and enhanced driving safety.


2. Safety Warnings
- CHOKING HAZARD: Small parts. Not for children under 3 years. To be used under direct supervision of an adult.
- Do not install or remove parts while the vehicle is in motion.
- Ensure the vehicle engine is turned off and the power supply is disconnected before installation.
- Avoid contact with high-temperature components to prevent burns.
3. Setup and Installation
3.1 Pre-Installation Checks
- After unpacking, verify that the part model matches your vehicle model.
- Inspect the product for physical damage.
- Confirm all items listed in the packing list are present.
3.2 Installation Procedure
- Before installation, ensure the vehicle engine is off and disconnect the negative battery terminal to prevent short circuits.
- Installation is recommended to be performed by qualified professionals to ensure secure mounting and correct wiring.
- Use dedicated tools for installation; avoid brute-force disassembly or assembly that may break or deform clips.
- Avoid forced modifications during installation.
- If you are not a professional automotive parts replacement engineer, please have a professional install it. Do not attempt to do it yourself.
4. Operating Instructions
After installation, start the vehicle and test all functions of the part. Only put the part into service after confirming normal operation, absence of abnormal noises, and no fault indicators on your vehicle's dashboard.
5. Maintenance
Specific maintenance instructions for this ride height level sensor are not provided. It is generally recommended to periodically inspect all automotive parts for wear and tear, and ensure proper functioning. Consult a qualified mechanic for routine vehicle maintenance.
6. Troubleshooting
If abnormal heating, unusual noise, or warning lights occur during use, immediately discontinue use and inspect the part. If the issue persists or you are unsure about the cause, seek assistance from a qualified automotive professional.
7. Specifications and Compatibility
7.1 Part Numbers
- 37146784696
- 37146778811
- 37141093699
- 37140141444

7.2 Compatible BMW Models (1997-2010)

| Model | Years |
|---|---|
| 128i/135i | 2008-2009 |
| 323Ci/328Ci | 2000 |
| 323i | 1999 |
| 325Ci/330Ci | 2001-2006 |
| 325i/325xi/330i/330xi | 2001-2005 |
| 328i | 1999-2000, 2007-2009 |
| 328xi/335xi | 2007-2008 |
| 335d/528i xDrive | 2009 |
| 335i E90/E92/E93 | 2007-2009 (from 4/07, To 5/09) |
| 335xi/535xi | 2008 |
| 525i | 2001-2005 |
| 528i | 1997-2000, 2008-2010 |
| 530i | 2001-2004 |
| 535i | 2008-2011 |
| 535i xDrive | 2009-2010 |
| 540i | 1997-2003 |
| 545i/645Ci | 2004-2005 |
| 550i | 2007-2010 |
| 650i | 2006-2007 |
| 740i/740iL/750iL | 1997-2001 |
| 745i/745Li | 2002-2005 |
| 750i/750Li | 2006-2008 |
| 760i E65 | 2004-2006 |
| 760Li E65 | 2003-2008 |
| Alpina B7 E65 | 2007-2008 |
| M3 | 2001-2006 |
| M5/Z8 | 2000-2003 |
| M6 | 2006-2010 |
| X5 | 2000-2006 |
| Z4 | 2003-2008 |
8. Warranty and Support
This product is manufactured to high-quality standards. For specific warranty information, please refer to the terms provided at the time of purchase or contact the seller directly. For technical support or assistance with installation, it is recommended to consult a certified automotive technician.
9. User Tips
- Always double-check the OE part numbers against your vehicle's existing part to ensure correct fitment before starting any installation.
- When replacing automotive sensors, ensure all electrical connections are clean and secure to prevent intermittent issues.
- After installation, a diagnostic scan may be necessary to clear any fault codes and calibrate the new sensor, if applicable to your vehicle model.