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04-13-2024, 11:32 AM | #1 |
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E92 M3 2011 30k Mile: Electrical Issues?!
Hello everyone, Firstly I would like to apologise if this is being posted in the incorrect location, If so please do point me in the right direction!
I have had my E92 M3 for just around a year now, It's been a dream to daily, But a couple weeks ago I stumbled into my first problem(s). Some Context Car Model: E92 M3 Year: 2011 Mileage: 34,000 Miles Mods: Suspension Lowered to Comp Spec / Otherwise Stock. Service History: FBMWSH Last Full Service: (04/2023 - Oil, Filters, Spark Plugs) Last Service (04/2024 - Oil, Filters) (Issues started before this) Storage: For the majority of its life, the Car has been stored in a climate-controlled Garage, Except for the last year, where it has been stored in a multi-storey car park. The Problem A couple weeks ago I was driving and an "FTM System error" popped up accompanied by the ABS light. The first guy that looked at it just cleared the faults and told me nothing was wrong with the car. 1 week later the same light popped up, Alongside the other orange warnings seen pictured below. Then not long after, whilst driving the red Safety / Restraint System warning popped up. See the attached images. Turning the car off and on again clears the read restraint / safety system warning and it usually doesn't pop up again for a couple days. I also occasionally am getting the engine start fault? Idk what that is, but the car starts just fine. Diagnostics I took the Car to BMW to get diagnostics they reported the following issues: - Restraint System Fault (Intermittent and not present for them during diagnosis) - Remaining Warnings they say are due to a faulty wheel speed sensor - They also had reported misfires but the Spark Plugs are a 1 year & 4k miles old. And the car Starts / Idles and Drives just fine, No change in driving. (They recommended new spark plugs until they found out it was under "parts" warranty and suddenly changed their tune suggesting I don't need them...... What Have I tried? Clearing the faults, but they all returned within a week. Well, considering all issues popped up in a short space of time and the battery was old, Compounded with the new Dashcam I had just installed. I figured the Voltage might be too low and got a new battery fitted. This does not seem to have solved the problem, and the faults still persist. Next Steps? Not really sure, Which is why I am coming here for help. I think the next logical thing to do, Is replace the wheel speed sensor BMW things is causing the problem. Following that, I can only think that it might be some bad wiring somewhere? Any suggestions? Last edited by Hololand; 04-13-2024 at 11:44 AM.. |
04-14-2024, 09:00 AM | #4 |
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This happened to mine a couple years back, the wheel speed ABS sensor did the trick.
It’s a very easy install if you have time and some basic tools. |
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04-16-2024, 01:43 AM | #7 |
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FRM took a shit. couple gbp to repair if you have some one in the UK that can do it.
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