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https://www.youtube.com/watch?v=L8akXREk80w
Jul 18, 2014 - Uploaded by DeviledDevin
BMW wont start, electrical problems FIX! .... After 6 days of reading and watching DIY videos might just open a service bay for Bimmers. ... the ignition refused to transfer current to engine after few productive cranks leaving me with an unfinished ... Now comes the big question: where can I buy this product?Missing: x1 xdrive20d
Nov 15, 2013 - 25 posts - 10 authors
any of which would cause an engine to not start - but - there wasn't a good ... See: How to test compression on a BMW E39 V8 engine (1) and on the I6 engine (1) ... etc., but who don't post codes from an OBD scanner with their question (1) ..... Likewise, if the fuel pump relay had an electrical short or open, ...
Hard to start when engine is warm
23 posts
Mar 29, 2013
X5 sometimes crancks but won't start
25 posts
Oct 10, 2012
More results from www.bimmerfest.com
If you have a multimeter remove and test the fuses for continuity (OHMS) as fuses can look OK but they have blown. If your replacing fuses ONLY replace the with one of the Same colour and Amp rating.
Question edited for clarity. changed your Poly Vinyl Chloride (PVC) into Positive Crankcase Ventilation (PCV), and added some punctuation to make real sentences.
Your car is run by computers, the computers have diagnostics and will tell you what's wrong. You can't guess faults like you have. A Professional Grade Scan Tool computer can diagnose all the computers, modules, sensors and systems in about 40 minutes. It can even record what happens and what goes wrong as you are driving!
https://www.google.com/search?q=mobile+auto+electrician+near+me
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To turn off HDC on a BMW, all you have to do is press the HDC button located on the center console. The button will have an image of a vehicle going downhill with a speedometer above it, and you'll know it's off if there are no lights illuminated above it. If you ever want to turn the system on again, just press the button again.
Since you fixed the fault by scan advice and was ok and on testdrive another limp mode came up, just check again with your scan to see what is the possible cause for it. Probably the crank sensor.
Check the basics first. Is battery fully charged? This is the most common reason for a no crank, no start. What exactly does it do when you turn the key? Nothing at all, no lights, no 'click' as you turn the key. A slow lazy crank?
no year car told at all.
using voltmeter
what is battery voltage at idle.?
not told' 13. to 15vdc is par, if below the alternator is dead or its fuses blown.
if ALT is dead, driving the car , far (30min) will make engine stall and be dead,until battery is jump started or charged.
that lamp comes of a reason, it means
fully load test the battery and test the alternator correctly
check all fuses
scan the OBd2 port with a scan tool for charge system errors.
If the battery is bad,the alternator can in fact refuse to charge it.
intermittent battery cell shorts or opens can do that.
batteries over 7 years are , love to fail.
"it turned on after oil leaked flashy/, "
i am not sure what flashy means.
DId the PS pump fail and leak and squirt PS fluid to some electronics
under the hood, that can be vary bad, if did.
be more clear on PS leaks, leaked to where. ? matters
