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The BMW Range
5 Series
E34
E34 ECU story
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<blockquote data-quote="albertsew" data-source="post: 24185" data-attributes="member: 98"><p>Was driving my car one day on the urban road, suddenly felt that my car lost power, trying to increase the gas pedal make no effort, felt like either I am out of gas or something wrong with my petrol pump.So, put on my hazard lights and slowly "glide" my car to the side. Not forgetting to thanks those we had honk me /starred at me for reminding me that my car is not speeding but gliding. :rock:Turn my key to Off and gear to "P", tried starting the car and yes it works. Checked on the petrol gauge and nothing wrong, is still half tank. So off I go and my car start moving again ....Thinking to catch up with all those we had honk/starred at me, depressing my gas pedal further and my car jerk for a while and felt like the previous problem unfold , before it could happend, the car pick-up and accelerated and managed to catch up all others and safely reached me.The next morning, while warming up my car, I could smear petrol at the tailpipe. Unburnt petrol. Was thinking in my mind "My e34 is requesting to see doctor again. WTF" :motz: , after about 5 mins, I drove and park at my usual breakfast place. After my breakfast, switch on and all usual lights light up without warning. but when try to crank it, it just could not start.You could feel that is definitely not battery problem but only fuel is not coming. After about half hour cranking, no choice but to call Tow service and sent to my mechanic.After checking, not fuel pump, not battery problem, so must be the ECU problem :burnout:. Luckily I had a spare unit. The Mechanic helped to swap it and immediately the car can start. Since last week, my car performance is so sluggish . Yes, can bring me from point A to B , but life without speeding, overtaking is so sad. The car is just like a 100 years old man walking with a tongkat.:slug:Need help ....... 1) how to identify the ECU is for M50b20 or M50b25 ?2) wat about the chip ? any number to tell if it is for b20 or b25 ?3) what is the cost for the ECU , new ? used ?I need my life back ........... :smokin:Cheers !</p></blockquote><p></p>
[QUOTE="albertsew, post: 24185, member: 98"] Was driving my car one day on the urban road, suddenly felt that my car lost power, trying to increase the gas pedal make no effort, felt like either I am out of gas or something wrong with my petrol pump.So, put on my hazard lights and slowly "glide" my car to the side. Not forgetting to thanks those we had honk me /starred at me for reminding me that my car is not speeding but gliding. :rock:Turn my key to Off and gear to "P", tried starting the car and yes it works. Checked on the petrol gauge and nothing wrong, is still half tank. So off I go and my car start moving again ....Thinking to catch up with all those we had honk/starred at me, depressing my gas pedal further and my car jerk for a while and felt like the previous problem unfold , before it could happend, the car pick-up and accelerated and managed to catch up all others and safely reached me.The next morning, while warming up my car, I could smear petrol at the tailpipe. Unburnt petrol. Was thinking in my mind "My e34 is requesting to see doctor again. WTF" :motz: , after about 5 mins, I drove and park at my usual breakfast place. After my breakfast, switch on and all usual lights light up without warning. but when try to crank it, it just could not start.You could feel that is definitely not battery problem but only fuel is not coming. After about half hour cranking, no choice but to call Tow service and sent to my mechanic.After checking, not fuel pump, not battery problem, so must be the ECU problem :burnout:. Luckily I had a spare unit. The Mechanic helped to swap it and immediately the car can start. Since last week, my car performance is so sluggish . Yes, can bring me from point A to B , but life without speeding, overtaking is so sad. The car is just like a 100 years old man walking with a tongkat.:slug:Need help ....... 1) how to identify the ECU is for M50b20 or M50b25 ?2) wat about the chip ? any number to tell if it is for b20 or b25 ?3) what is the cost for the ECU , new ? used ?I need my life back ........... :smokin:Cheers ! [/QUOTE]
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