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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Thu, Jan-22-2004, 09:50:55 PM   #1
MOTRSPRT
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Default 140A Valeo alternator

I'm discovering that the Valeo brand alternator is not of the highest quality we've come to expect with our cars. But, does that mean the 140A alternator is just as low of quality as their 80A units? I'm needing a new alternator, and really want to go with the Bosch. But, the swap isn't plug and play. One has to buy an alternate pulley setup from the dealer in order for the alternator to work line up with the rest of the engine's pulleys. Can someone shed some light on my question about the 140A alternator's reliability?
Thanks,
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Old Sat, Jan-15-2011, 10:05:30 PM   #2
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Default Re: 140A Valeo alternator

hate to resurrect such an old thread but im curious about this question as well... Ultra Old Bump
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Old Sat, Jan-15-2011, 11:48:02 PM   #3
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Default Re: 140A Valeo alternator

Can't answer for the 140amp, but I have 230,000 miles on my original 80amp and it never skips a beat. Making sure you keep the battery in good condition is key to prolonging the life of the alternator (I guess having a CA car also helps). Not sure how the OP concluded that they are of low quality.
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Old Sun, Jan-16-2011, 04:27:09 PM   #4
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Default Re: 140A Valeo alternator

wait what? just put a 140a Valeo in, hasn't fallen apart yet... in the 500 miles since install
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Old Tue, Jan-18-2011, 05:48:05 PM   #5
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Default Re: 140A Valeo alternator

Quote:
Originally Posted by MOTRSPRT View Post
I'm discovering that the Valeo brand alternator is not of the highest quality we've come to expect with our cars. But, does that mean the 140A alternator is just as low of quality as their 80A units?
My Valeo had 170k on it when I swapped it out, it still charged fine but had rear bearing noise.

Quote:
Originally Posted by MOTRSPRT View Post
I'm needing a new alternator, and really want to go with the Bosch. But, the swap isn't plug and play. One has to buy an alternate pulley setup from the dealer in order for the alternator to work line up with the rest of the engine's pulleys.
Thanks,
The 2 alternators are interchangeable, plug and play
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Old Thu, Jan-20-2011, 05:07:58 AM   #6
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Default Re: 140A Valeo alternator

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Originally Posted by ///M powered View Post
The 2 alternators are interchangeable, plug and play
Slightly incorrect. They are interchangeable if the pulley is included with the alternator. Some rebuilt ones expect you to swap the pulley off your old one to the new one. The pulleys will not swap from one manufacturer to the other.

My bosch 80A lasted about 220k miles fyi
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Old Thu, Jan-20-2011, 05:40:47 AM   #7
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Default Re: 140A Valeo alternator

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Originally Posted by ///M powered View Post
The 2 alternators are interchangeable, plug and play




Quote:
Originally Posted by cstern View Post
Slightly incorrect. They are interchangeable if the pulley is included with the alternator. Some rebuilt ones expect you to swap the pulley off your old one to the new one. The pulleys will not swap from one manufacturer to the other.

My bosch 80A lasted about 220k miles fyi

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Discussing 140A Valeo alternator in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)