Verified Buyer
Nice key but ...
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Luan Do (Virginia) | June 24th, 2023
I bought my bike used and it came with the Wunderlich oil cap with a special key. Unfortunately, the special key did not come with the bike and had to be ordered. The oil cap requires 8.5mm key but Wunderlich had a 9.5mm key in the bag with the part number that was for an 8.5mm key. The WRONG PART was put in the bag, or the wrong label was put on the bag!. Either way, I'm still without access to oil cap. My question is why Wunderlich makes life so complicated with the design of the special key and of different sizes?
Verified Buyer
High quality tool
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Ron Gawer | December 30th, 2021
I bought an extra in the event I lost my first one; this is a very well made item.
Rodney (District of Columbia , District of Columbia) | March 12th, 2016
First time I used the tool for an oil change the small metal piece that fits into the tool cracked off. Or fell out. I don't know but it isn't there anymore. It did not last long. I can't unlock the plug. The tool looks clean in the hole where the lock should be I think it was fitted and glued, not one piece . On the positive side; Leak stopped. Looks clean and flush. Negatives; the tool is a fail. Why do we need the tool ? Who would sabotage the oil? Can I use something else to open it? Is the tool guaranteed ? I emailed, yet to find out. I ordered it in November . Only one oil change! Should unlock with an Hex lock something I can easily replace. Getting rid of the plastic insert in the cyclinder was tremendous. That was was a piece of junk. BMW should have addressed this. There should have been a class action suit. Installing wasn't easy as the YouTube video indicated. It still leaked a lot until I put in a larger o ring
Art (Spring Grove, IL) | May 10th, 2015
The fit and finish of the "locking key" are fine, but the cap assembly should have been left without a "lock." Just something else to lose and create a hassle. The cap can still be opened without the key, so it is totally unnecessary. In 50 years of riding, I've never heard of anyone who had a problem with a vandal accessing the oil filler.
If you buy the Wunderlich plug, buy this tool too!
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Joseph Malin (San Jose, CA) | August 19th, 2014
If you do buy the Wunderlich secure oil filler plug, maintain your sanity by buying a spare tool. Put it in your toolbox at home. Life is crazy enough as it is!
Redundancy = good
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Jim (Seattle, WA) | October 24th, 2012
I added the Wunderlich oil plug a year or so ago. After a 5,000 mile trip this last summer I decided I should probably carry a spare \"key\" for it, along with my back-up ignition key. You never know....
