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  #1  
Old 08-22-2020, 06:11 PM
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Ignition Coils 3.0L

Hi i have a 3.0l 2001 x5 i need a new coils bad missfire. i pulled one and found the part # bosch 0221504100 but i cant find these coils anywhere


and the coils i do find from bosch dont even have too same connector mine do what is the right part # Name:  IMG_1893.jpg
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  #2  
Old 08-22-2020, 07:43 PM
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Use realoem.com and your vin to determine the exact part. Was your car made before 8/01?
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Old 08-22-2020, 07:52 PM
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Ignition Coils 3.0L

I found a pic of a similar coil at realoem but it won't show me a part number because it doesn't match my car


https://www.realoem.com/bmw/enUS/sho...diagId=12_1104

https://www.amazon.com/dp/B002ODNPNA..._YaBqFbF9VACFN

They have five in stock.
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Old 08-23-2020, 10:12 AM
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Was the valve cover changed to one from a newer car at some point? The newer coils push on and are not secured with the same 2 bolts as the earlier ones. The wiring harness would have to be switched out as well. I noticed this when I was checking 3.0 engines at the local yard.
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Old 08-23-2020, 06:39 PM
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hi, i just bought the car a few months ago. my car was built 7/01. after much hunting i found that BMW changed from Bosch to Delphi and the newer Delphi coils are better and CHEAPER! the replacements they should arrive tomorrow and il let you guys know how Blue Balls runs after the ugrade
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Old 08-23-2020, 07:49 PM
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Good info.

FYI, my 06/2001 built 2001 3.0i still has its original BREMI coils in there as I approach 200k miles.

My understanding was that there were two "styles" they used in these cars: BREMI = roughly circular with the two ears; BOSCH = square top.

For replacements, various manufacturers will make these two different "styles." So if you find it confusing (like I did) when you see an item listed as a BREMI coil, with someone else's brand on it, this is why.

Realoem info for my car, with a drawing of the BOSCH-style coil:
https://www.realoem.com/bmw/enUS/sho...diagId=12_1051

I think (not sure) these are what I will need when needing replacement:
https://www.rmeuropean.com/Products/...19-MFG618.aspx
STI now owns BREMI, so STI is OK.

My car, rear 3 coils:
On #5 you can see the date stamp of 19.05.01, which I believe is May 19, 2001, which makes sense for my June 2001 build.

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Last edited by oldskewel; 08-23-2020 at 08:07 PM.
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Old 08-24-2020, 06:01 AM
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The wiring harness And valve cover to coil mounting points will need investigating before anyone considers switching to newer style coils. My quick look at one determined that it wasn’t so simple.
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Old 08-24-2020, 05:19 PM
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Quote:
Originally Posted by ahlem View Post
The wiring harness And valve cover to coil mounting points will need investigating before anyone considers switching to newer style coils. My quick look at one determined that it wasn’t so simple.
Yep; early and late coils have different connectors. Late are the flip-style quick disconnect.
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