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  #1  
Old 03-05-2019, 07:33 PM
Fairtrade87 Fairtrade87 is offline
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E83 X3 Ground Strap Part Number

Good Day

I need assistance with part numbers for the ground straps under my vehicle.

I was going to replace them several months ago as preventative but when I had the car up in the air to do the job, I ended up ordering the wrong parts.

Well, life got in the way and I forgot about them until today when I saw one completely hanging loose under my car. We have had wacky weather lately and I haven't had a chance to hoist my car up.

Any assitance is appreciated, I did a search and found a few posts relating but I want to make sure I order the correct Part this time

2007 X3
Manual Transmission

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  #2  
Old 03-05-2019, 08:00 PM
BMWaufKS BMWaufKS is offline
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Realoem.com for part numbers.

Or just buy and install generic ones, of heavier gauge. Plus consider adding a custom-extra cable -- search on here for examples.
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  #3  
Old 03-06-2019, 02:44 AM
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BimmurBrothor BimmurBrothor is offline
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Quote:
Originally Posted by BMWaufKS View Post
Realoem.com for part numbers.

Or just buy and install generic ones, of heavier gauge. Plus consider adding a custom-extra cable -- search on here for examples.
Go to any of the parts stores... that will do...some people use the lawn mower ground cable from lowes .

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Old 03-06-2019, 05:34 AM
dukedkt442 dukedkt442 is online now
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If you understand anything about electricity, all you need is any flexible metal from the engine to the chassis. Copper braided cables are consumables when bridging aluminum and steel. The engine cannot ground to the chassis directly because its mounts are rubber. I add extra grounds to everything I have; the steel muffler on my truck just rotted out completely in only 4 months connected to stainless pipes (electrolysis of dissimilar metals and all) so when I weld in a new muffler this week, I'll be tack welding a ground strap directly from the muffler to the chassis to avoid that in the future.
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Old 03-06-2019, 09:15 AM
bearcatfans bearcatfans is offline
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Mein Auto: 2008 X3 3.0si
The front/underneath strap 12423420477
The rear/near exhaust short strap 18106906784

-aaron

Last edited by bearcatfans; 03-06-2019 at 09:43 AM.
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Old 03-08-2019, 04:19 AM
Rustynuts Rustynuts is offline
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I ordered some generic off ebay from reputable vendor/maker. Heavy braided and tinned copper. I think the two lengths were like 18" and 9" with 1/4" terminals.

This seller

https://www.ebay.com/str/acdcwireandsupply
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  #7  
Old 03-08-2019, 04:40 AM
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Doug Huffman Doug Huffman is online now
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Quote:
Originally Posted by bearcatfans View Post
The front/underneath strap 12423420477
The rear/near exhaust short strap 18106906784
The system 12 strap is RealOEM illustrated as an insulated cable. The system 18 strap is RealOEM illustrated as a plait strap.
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Old 06-06-2019, 08:43 AM
Fairtrade87 Fairtrade87 is offline
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Thanks all for the help. I ended up ordering one as well as adding 2 more aftermarket as a just in case precaution

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