Ok.
BMW 8 Series E31 Airbag Control Unit Repair
BMW 8 Series E31 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?incl. VAT plus shipping
Not sure? Just send us an enquiry or give us a call — we're happy to advise you.
4.8Google reviews of our shop(246)
Secure payment with
Matching part numbers
Your part number isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Repair time
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 8 Series
- Series
- E31 (1989-1999)
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
4.8Based on 246 reviewsView all reviews →
Works like a charm!
Everything went perfectly, I can only recommend it.
Automatically translated · Original: German
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 finally pass the HU there again (failed because of the red light for the airbag). Today the message came from SWE, the car is running again, the red light is off and the HU was also passed. Once again many thanks for the help in need. Keep it up and maybe word will also spread in SWE that Airbag 24 does great work. Regards Gerd
Automatically translated · Original: German
Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!
Automatically translated · Original: German
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 👍
Automatically translated · Original: German
What is a BMW 8 Series E31 airbag control unit?
The BMW 8 Series E31 airbag control unit is the central safety unit in the vehicle, which uses sensors to precisely activate occupant restraint systems such as airbags and seatbelt pretensioners in the event of a collision. It continuously monitors all relevant systems, stores important crash data, and ensures the proper functioning of the airbag modules for maximum occupant protection.
This module, typically installed under the center console, is responsible for analyzing acceleration data.
It acts as the brain of the passive safety system and is crucial for vehicle safety.
Why is the BMW 8 Series E31 airbag control unit defective?
A BMW 8 Series E31 airbag control unit can fail for a variety of reasons, often due to internal hardware or software errors caused by aging, overvoltage, or even moisture. This usually results in a permanently illuminated airbag warning light and a loss of functionality, making prompt repair or replacement essential.
Defects are often indicated by internal error codes generated by the control unit itself.
Such failures can block communication with diagnostic devices and make reliable diagnosis difficult.
Age-related failure of components inside the control unit is also a typical cause of a defect.
Common error codes for BMW 8 Series E31 airbag control unit repair
When diagnosing a faulty BMW 8 Series E31 airbag control unit, specific error codes are crucial for accurately identifying the cause of the problem. These codes directly indicate internal defects in the control unit and help specialized workshops plan the necessary steps for a successful repair or replacement.
- 240 → Internal control unit error → Usually indicates faulty coding or internal defect that activates the airbag warning light.
- 93D7 → Control unit internal error → Indicator for hardware or software error in the airbag control unit.
- F0 → Control unit defective → Signals a general defect and often prevents communication with the control unit.
What part numbers are available for the BMW 8 Series E31 airbag control unit repair?
When repairing or replacing an airbag control unit in a BMW 8 Series E31, specific original OEM part numbers are essential to ensure correct compatibility and functionality. Only with the exact numbers can we guarantee that the replacement part can be seamlessly integrated into your vehicle and meets safety standards.
Two of the validated OEM part numbers for the BMW E31 airbag control unit are 65771382905 and 65778353598.
These numbers have been confirmed for models such as the 850Ci Coupé (M70) and 840i Coupé (M60).
There are currently no officially verifiable replacement or supplier part numbers with OEM status for this specific component.
Compatibility and models for the BMW 8 Series E31 Airbag Control Unit Repair
Airbag control unit compatibility is crucial for a successful repair of the BMW 8 Series E31, as it is specifically designed for various models of this series, as well as some other BMW series. It's important to check the exact model variants and years of manufacture to ensure the replacement part fits the vehicle perfectly and fully performs its function.
The control unit is primarily designed for BMW 8 Series E31 Coupé variants such as 840i (M60), 850Ci (M70) and 850CSi (S70).
It is also used in certain BMW 7 Series E32 sedans and BMW 5 Series E34 models.
The main production period for the control unit's compatibility is between 1990 and 1994.
Technical specifications of the BMW 8 Series E31 airbag control unit
The BMW 8 Series E31 airbag control unit has specific technical features that define its functionality and integration into the vehicle system. These specifications include weight, dimensions, power supply, and connector type, all of which are relevant for correct installation and operation.
Depending on the variant, it weighs between 0.46 kg and 1.00 kg and measures approximately 22 x 13 x 9 cm.
The control unit is powered by the vehicle's 12-volt electrical system.
Typical are multiple plugs, often in bright yellow, with integrated short-circuit clips for safety.
Installation and safety instructions for the BMW 8 Series E31 airbag control unit repair
To safely repair or replace a BMW 8 Series E31 airbag control unit, precise installation positions and strict safety instructions must be observed to prevent accidental deployment. Proper preparation and the use of appropriate tools are crucial to avoid damage and restore full functionality of the safety system.
The control unit is typically located in the interior, below the center console or in the dashboard.
Before starting any work, the vehicle battery must be disconnected.
Standard tools such as screwdrivers and, if necessary, side cutters are required for removal.
4.8
Based on 246 reviews
What our customers say
„Ok.“
Zsolt Szabólast week„Works like a charm!“
Leoly4 weeks ago„Everything went perfectly, I can only recommend it.“
Automatically translated · Original: German
ka irgendwas2 days ago„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…“
Automatically translated · Original: German
Gerd Goldammer2 days ago„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
Automatically translated · Original: German
Christian Maegerlein4 days ago„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 👍“
Automatically translated · Original: German
Toni Buien5 days ago„Uncomplicated service. Fast and thorough. Can only recommend.“
Automatically translated · Original: German
Abdul KS5 days ago„All great👍“
Automatically translated · Original: German
Edin Avdic6 days ago„All great, fast delivery. Thanks.“
Automatically translated · Original: German
Andrej Ivanovlast week„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
Dennis Welast week„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“
Automatically translated · Original: German
Tokeh Tokehlast week„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
Sven Wegenerlast week„Ok.“
Zsolt Szabólast week
