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BMW i3 I01 airbag control unit repair
BMW i3 I01 airbag control unit repair at Airbag24
Airbag24 repairs defective airbag control units professionally and affordably. Both private customers and workshops can order without registration and benefit from fast processing, 2 years' statutory liability for defects and plug&play installation.
Airbag24 works with state-of-the-art diagnostic technology and specialised repair processes. Because defective control units often involve only individual components, a professional overhaul can be considerably cheaper than buying new.
Our advantages: no registration required, a direct online ordering process for B2B and B2C customers, express shipping and comprehensive quality testing. The repaired control unit works like a new part.
Notes
Mounting position
Repair type
Which repair matches your fault code?excluding VAT and shipping
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Our estimated repair time for this product is about: 3–4 business days
Which repair matches your fault code?
Below your code you can see what needs to be done.
Your error code isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Specifications
- Make
- BMW
- Model
- BMW i3
- Series
- I01 (2013-2022)

Shipping & repair from Germany
Airbag24 repairs your component in Berlin — usually within 3–4 working days.
Standard shipping within Germany is free; we normally return your part by UPS.
You pay for and insure the inbound shipment to us. On explicit request we ship by express — the extra cost is borne by the customer.
If you withdraw from the contract, you bear the cost of returning the item.
Google reviews
4.8What is a BMW i3 I01 airbag control unit?
The BMW i3 I01 airbag control unit is the central safety unit in your electric vehicle, detecting accident situations and deploying vital airbags and seatbelt pretensioners in milliseconds. It is the brain of the passive safety system, continuously monitoring sensors to ensure maximum protection in an emergency and maximize occupant safety.
This safety-critical component collects data from acceleration and impact sensors to assess the severity of an impact. It also stores important crash data for later analysis. Proper functioning is essential for the operational safety of the BMW i3 i01 and prevents the airbag warning light from being activated.
Why is the BMW i3 I01 airbag control unit defective?
A BMW i3 I01 airbag control unit often fails because it stores crash data after an accident, requiring reinitialization or repair, or due to age-related wear and tear on internal components. Moisture ingress, corrosion at connectors, or voltage fluctuations can also damage internal circuits and cause failure.
Because the control unit reacts sensitively to electrical interference, even a weak vehicle battery or a short circuit can lead to malfunctions. Internal error codes are often generated, indicating that the system requires diagnosis and repair. A faulty airbag control unit can deactivate the safety systems.
Common error codes for BMW i3 I01 airbag control unit repair
During BMW i3 I01 airbag control unit repairs, specific error codes occur that directly indicate problems with the airbag control unit and allow for a precise diagnosis. These codes often signal communication problems, resistance issues, or malfunctions in the airbag modules themselves, necessitating a targeted repair.
- B1000 → Control unit communication error → Cause: Problem with the internal bus communication or a general defect in the ECU.
- 9309A → Driver side airbag circuit resistance error → Cause: High or irregular resistance in the airbag circuit, often due to wiring problems or ignition contact malfunctions.
- 93AE → Driver side airbag fault → Cause: System malfunction in the driver's airbag module, may indicate corrosion or poor connections.
- 93AB → Passenger side airbag fault → Cause: Similar problems as 93AE, but in the passenger seat airbag system.
What part numbers are available for the BMW i3 I01 airbag control unit repair?
For BMW i3 I01 airbag control unit repairs, several verified OEM part numbers are relevant, ensuring exact compatibility and crucial for a successful replacement or repair. These numbers identify the original BMW part, which was specifically developed for the I01 model series and enables precise coordination with the vehicle's systems.
- 65.77-9381838-01 → BMW → Original/OEM Airbag Control Unit
- 9381838 → BMW → Original/OEM Airbag Control Unit
- 9381840 → BMW → Original/OEM Airbag Control Unit
Based on 246 reviews
What our customers say
„Ok.“
„Works like a charm!“
„Everything went perfectly, I can only recommend it.“
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„From the first phone call, the order processing, to the shipping everything was done very quickly and professionally. Now I still have to send the repaired unit to the Swedish workshop and then hopefully the Honda can fi…“
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„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
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„Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍“
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„Uncomplicated service. Fast and thorough. Can only recommend.“
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„All great👍“
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„All great, fast delivery. Thanks.“
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„100% satisfied. Everything handled very professionally and transparently. Only the return shipping took too long. This was however due to UPS and less to Aairbag24. Thank you very much“
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„VAG airbag control unit with error B2000 00 reliably repaired. Price very high in comparison, but everything worked out. No exact protocol of what was carried out, probably just newly flashed“
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„A great shop, even when there are sometimes problems. There are quick responses and very good help. I can only recommend the shop. Thank you very much“
Automatically translated · Original: German
„Ok.“



