Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Vehicle Loading: Notes
In order to obtain the correct ride height, the vehicle must be loaded with the specified weight. The normal specified weight for most vehicles is as follows:
- 68 kg. in each front passenger seat
- 68 kg in the rear seat
- 21 kg in the trunk
- Fuel tank full.
Not all vehicle need to be weighed down. Usually E39 M5 and E36/E46 M3 are measured without any weight. The proper test conditions can be found under "Normal Position/Inspection Conditions".
If the vehicle fuel tank is not full, compensate by adding weight in the trunk. Fuel is approximately 7 pounds (about 3.2kg) per gallon. For example: If the vehicle has an 18 gallon tank and it is 1/2 full, add about 63 lbs. (about 28kg.)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.