mini cooper engine management light stays on. - MINI Cooper Forum

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post #1 of 3 (permalink) Old Apr 25th, 2008, 02:54 PM Thread Starter
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DIY mini cooper engine management light stays on.

hi guys wonder if you can help me.
my engine management light stays and have tried all sorts to try to get the damn thing off but it just never happens. the computer check tells me that number 1 cylinder is miss fireing.

i've tried doing the following things but wondering if you can help or have any idea's

so far i've tried

1} all new spark plugs
2} service
3}new air filter
4}new ignition coil pack
5}various fluids from forte as engine treatment fluid
6}had the light taken off 2 times on the computer but just keeps coming back on after couple of hours.
7}cleaned all the throtel body
8}swapped all the injectors around
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post #2 of 3 (permalink) Old Apr 25th, 2008, 04:41 PM
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post #3 of 3 (permalink) Old May 30th, 2008, 10:24 PM
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I purchased a new MiniCooperS 07 built Jan 18th 2007 on April 3rd 2008. Engine light + many other lights can on while I was driving, loss of power etc.. My mini has spent a total of 15 days at the dealer for repairs. Listed below are the parts they needed to replace in April 08
12-14-7-630-107 Control Unit VIN (took 8 days to come from BMW Germany) and 16-11-1-184-084 Gasket.
Once the Control Unit was replaced the computer indicated DMTL major leak so the mechanic replaced the DME and programmed, found left sending unit retaining ring loose. Removed retaining ring and found tank seal out of position and folded inside tank. Replaced left side fuel sending unit seal. Ran DMTL seal test, no leak detected.
Picked up car and ran perfectly until May 19th. On the highway radio cuts off completely and then lights come on and loss of power. Pull on side of highway, turn of the car, wait a few minutes. Start the car but vehicle electrical failure warning light comes on. Drive to destination, car cool downs. Drive home, no more warning lights. Strange!!! Phone dealership on May 20th. Take car in May 21st. This time need to change the alternator parts # 12-31-7-575-872 Exch alternator 150. Suspects intermittent loss of voltage supply from alternator.
Dealership in Ottawa Canada is excellent provided loaner car and even provide a refund for part of my lease payment for vehicle. Owner of dealership expressed his concern. Advised him that he should replace the car if it happens again. I hope that resolves the problem.
I love my Mini CooperS this is my second mini. First car was a Mini Cooper 05. My first car had no issues in the dealership 3 times over 36 months. Let's hope this one is not a lemon.
I read a lot of issues with Engine Lights and loss of power, I hope that the information is useful to other mini owners. I think BMW is aware of these issues this is why they recommended changing the Control Unit. The reason it take so much time for the part, is that BMW Germany must configure the part in Germany.
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