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.
64 50... Leak Testing With Ultraviolet Additives (UV Additives) (BMW Leak-Testing Case)
It is absolutely essential to read and comply with the equipment manufacturer's instructions for use provided in the equipment case!
Read and comply with the instructions for use provided with the special tool particularly with regard to accident prevention, health protection and environmental protection.
Use only BMW-approved UV-additives (e.g. TRACER). Only the basic procedure is described in the following!
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.