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E46 M3 alternator aftermarket options
03-07-2017, 10:43 AM
Post: #1
E46 M3 alternator aftermarket options
Hello guys

Most of you won't know me, it's Mo here and I have a question about a 2005 e46 M3 alternator which needs to be replaced. I called BMW and they quoted me a part number 123 178 1436 and called Motolek/ Midas auto electrical who have a Valeo part number which matches up. Their number is ALT 0121. I was quoted R3600.10.

I just wanted to check with the community for any of you who have done this swop as well and that the part fitted correctly. The images do look almost identical.

Many thanks
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03-07-2017, 11:07 AM
Post: #2
RE: e46 M3 altenator change
Hey Mo,

On the e85 M (also S54) I had to get a Valeo regulator... ordered off eBay for R1,200 including express delivery, arrived in 1 week. This was just for the regulator.

As far as I understand you get two options on the alternator/regulator - the bosch and the valeo - and everyone prefers/swears by the reliability and cost savings of the bosch.

My 5c, which may or may not be of use to you... :-)

Regards,

Pete
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Spiro (07-03-2017), zmohsinz (07-17-2017)
03-07-2017, 11:29 AM
Post: #3
RE: e46 M3 altenator change
i know the Valeo OEM is very expensive from BMW , around the 7500 mark


if there is an option to Go Bosch at a fraction of the cost, i would rather replace the entire unit and then the overall maintenance will be lower as well




T


:-)
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zmohsinz (07-17-2017)
03-07-2017, 11:33 AM
Post: #4
RE: e46 M3 altenator change
(03-07-2017 11:29 AM)Spiro Wrote:  i know the Valeo OEM is very expensive from BMW , around the 7500 mark


if there is an option to Go Bosch at a fraction of the cost, i would rather replace the entire unit and then the overall maintenance will be lower as well




T


:-)

WithStu
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Spiro (07-03-2017), zmohsinz (07-17-2017)
17-07-2017, 12:26 PM (This post was last modified: 17-07-2017 12:27 PM by zmohsinz.)
Post: #5
RE: e46 M3 altenator change
(03-07-2017 10:43 AM)zmohsinz Wrote:  Hello guys

Most of you won't know me, it's Mo here and I have a question about a 2005 e46 M3 alternator which needs to be replaced. I called BMW and they quoted me a part number 123 178 1436 and called Motolek/ Midas auto electrical who have a Valeo part number which matches up. Their number is ALT 0121. I was quoted R3600.10.

I just wanted to check with the community for any of you who have done this swop as well and that the part fitted correctly. The images do look almost identical.

Many thanks

Thanks Pete

This is useful information and I will bear that in mind.

Regards

(03-07-2017 11:33 AM)PLV Wrote:  
(03-07-2017 11:29 AM)Spiro Wrote:  i know the Valeo OEM is very expensive from BMW , around the 7500 mark


if there is an option to Go Bosch at a fraction of the cost, i would rather replace the entire unit and then the overall maintenance will be lower as well




T


:-)

WithStu

Thanks for that man! I will bear in mind.
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17-07-2017, 12:38 PM
Post: #6
RE: E46 M3 alternator aftermarket options
Good find OP.... i have changed the title slightly for those looking for a cost effective option.

Clapper

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Thought I joined a car forum but all we ever talk about is alcohol, meth, and LSD....I'm sooo confused! Bangdesk

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