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BMW 3 Series G21 Touring Airbag Control Unit Repair
BMW 3 Series G21 Touring 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
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Repair type
Which repair matches your fault code?incl. VAT plus 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 3 Series
- Series
- G21 Touring (2019-2022)G21 LCI Touring (2022-2024)G21 LCI Touring (2024-XXXX)

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 3 Series G21 Touring airbag control unit?
The BMW 3 Series G21 Touring airbag control unit is the central safety unit for your vehicle, essential for occupant protection. It continuously monitors sensors, detects the need for deployment in the event of a collision, and precisely controls the deployment of all airbags and seatbelt pretensioners to ensure occupant safety.
This critical control unit, part of the Supplemental Restraint System (SRS), continuously processes vehicle data to respond quickly and reliably in an emergency.
Its proper functioning is crucial for passenger safety. A malfunction can activate the warning light and disable the entire safety system.
Why is the BMW 3 Series G21 Touring airbag control unit defective?
A BMW 3 Series G21 Touring airbag control unit often fails due to internal electronic errors, overvoltage, or corrosion, which significantly impairs its functionality. After an accident, repair or replacement is often unavoidable because the control unit can no longer properly fulfill its safety function.
Common causes of failure are internal memory errors that occur after a crash and can block the control unit.
Moisture, improper handling during other repairs, or age-related wear and tear can also damage the sensitive component, necessitating a comprehensive diagnosis. A visit to a specialist workshop is always essential for a correct diagnosis and repair of the BMW 3 Series G21 Touring airbag control unit.
Common error codes for BMW 3 Series G21 Touring airbag control unit repair
When repairing the BMW 3 Series G21 Touring airbag control unit, specific error codes are crucial for diagnosis. They indicate internal defects or communication problems within the control unit. Precise analysis of these codes allows for precise identification of the problem and efficient repair.
- 93EB → Control unit defective → Internal error in the airbag control unit, often requires replacement or specialized repair.
- 93D7 → Control unit internal error → Malfunction within the control unit hardware or software, can be remedied by specialized diagnostics.
- B1000 → Control unit communication error → Problems with data transmission between the airbag control unit and other systems, often caused by wiring or software errors.
What part numbers are available for the BMW 3 Series G21 Touring airbag control unit repair?
For the BMW 3 Series G21 Touring, six part numbers are listed for this repair product, all of which belong to airbag control units of this model. These include 65 77 9 873 891, 65779476850 and 65779873892. All numbers in this list are manufacturer part numbers for this repair product.
The remaining numbers are 5B4490501, 9873892 and 9873894. The part number is printed on the label of the airbag control unit and can be stated in your repair order.
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“
Automatically translated · Original: German
„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.“





