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.
12 1 300 Adapter Set For 134-Pin Module Plug
Minimum set: Measuring and testing equipment
In conjunction with: 61 1 459
Engine: M54, M56, M62, M73, N40, N42, N43, N45, N45T, N46, N46T, N51, N52, N53, N54, N62, N73
Storage location: N 201, N 202, N 203, N 204
SI number: 2 04 97 (248)
Order number: 12 1 300
Adapter set for 134-pin module plug
Consisting of:
12 1 301 Adapter lead 9-pin
12 1 302 Measurement module 24-pin
12 1 303 Measurement module 40-pin
12 1 304 Measurement module 52-pin
NO RELATED
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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.