Question about 2003 BMW 330

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How to replace jammed ignition lock cylinder

I had a sticky ignition cyliner and this weekend and the tumblers got completely jammed. The key goes in but doesn't turn at all. Not even one click!!! So I can't use the pin insertion techniques. I have been searching the web for 4 days and at this stage I know I have only one of two solutions: to drill a small hole where the entry for the pin should be if the key would've turned, then use a pin to remove it; or drill straight through the center of cylinder to destroy the lock tumblers and then turn it to line up with the pin hole, and use the classic method to remove it. Before I attemp either, I need to know if anyone tried them and which one will work better (detail please) or will it work at all? I also just bought the Bentley service manual but they don't offer a solution to my problem.Btw, I ordered a new lock cylinder from dealer so I don't care if I ruin the old one. Help please.

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  • BMW330CI Sep 22, 2008

    Nevermind. I solved it. For those who face the same problem, here is what I did. I called a locksmith and signed a liability release form for him to even touch the car. I removed the steering covers and the EWS electric ring to clear the way to the mechanical key lock cylinder. I also unplugged the ignition switch wires and removed the airbag fuse just in case. The locksmith used a flat screwdriver with square shaft and clamped it with pliers, then he turned it back and forth till it turned to position II (Run position). He then just put a paper clip and released the cyliner. It was as simple as it sounds. We put the new keyed cyliner in and then the ring and plugged all wires and fuses, and the car started... I was so relieved. No drillng or worse, replacing the whole steering column as the dealer wanted to do and charge me over a$600. I put my solution here as I wished someone has shared there's ans saved me a week of agony.



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I had a jammed vauxhall ignition and used a mobile auto locksmith

Posted on Jul 03, 2009


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SOURCE: How to replace jammed ignition lock cylinder

If the lock is completely frozen, you will need to replace the lock housing. The housing has come apart inside. Does your manual give instruction on how to replace the ignition lock housing? Make sure you ask the dealer for new break away bolts for the new housing.

Posted on Mar 09, 2009

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Key wont turn pass acc it locks how can i fix

Ignition key cylinder tumblers are worn out!
Time to replace the cylinder.
Help prevent this from happening again by lightening your key ring load. A heavy key ring puts constant pressure on the lock tumblers and wears them down to eventually deform and prevent the tumbler cylinder from turning.
Most people employ the philosophy, "if it jams, just force it", which bends the weakened lock tumblers and hastens destructive wear.

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My wife tried to to start her 2004 cavalier with the wrong key, and now the ignition will not turn with the right key

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Chances are when the wrong key was put in it may have damaged the lock tumblers.
The lock cylinders on these cars are enough of a problem using proper keys.Not very well made to begin with.
You could try a very light oil such as WD40 to lubricate the tumblers in case 1 may be stuck up into the barrel of the cylinder and gently run the key in and out several times.
Jiggling the key inside the cylinder will sometimes loosen them up too.
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I hope you succeed in getting it to turn, otherwise it may be a job for a locksmith.
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How to replace jammed ignition lock cylinder

If the lock is completely frozen, you will need to replace the lock housing. The housing has come apart inside. Does your manual give instruction on how to replace the ignition lock housing? Make sure you ask the dealer for new break away bolts for the new housing.

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