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11-09-2022, 12:19 PM | #1 |
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M Roadster starter motor, Valeo or Bosch?
Hi! On FCPEuro they have a Valeo remanufactured starter for 700+ dollars, and a Bosch remanufactured for 200. They both are stated to fit.
Any reason why I should spend the extra 500 dolla? |
11-09-2022, 03:28 PM | #2 |
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They have both a Valeo and a Bosch rebuilt for $200 each and a BMW rebuilt for $700.
The $500 extra is so you can say, "Genuine BMW."
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11-09-2022, 03:35 PM | #3 |
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It’s like when I got the coil packs. Genuine BMW 70 online (167 dollars each at a ritz BMW dealership in Savannah, just to illustrate what a ripoff that place is), while the coils sporting just the Bosch brand, same part, 30 dollars (or 137 dollars less than at the dealer).
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11-09-2022, 06:25 PM | #4 |
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Drives: ESS/G-Power Z4M, VF Z4, 996tt
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Valeo is the manufacturer of the "OEM" starter. I would stick with Valeo if possible... not because it's better, but the ECU is very sensitive to electrical changes. The programming is over-engineered to model the alternator's output and response, and any deviations in hardware *could* cause odd behavior. I will caveat that I have not tested the Bosch alternator. I can confirm that cheaper Autozone alternatives WILL cause issues.
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11-09-2022, 06:48 PM | #5 |
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Thanks! Good to know! Yes Valeo and Bosch are both OE suppliers and respectable, and I wouldn’t be surprised to discover that some models or MY have one and others have the other
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11-10-2022, 02:08 AM | #6 | |
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11-10-2022, 06:32 AM | #7 |
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11-10-2022, 10:08 AM | #8 |
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Problems to start, especially when it was cold and wet (autum) or when the car hadn't been driven for a couple of weeks. When it didn't start it didn't engage the starter enough on the flywheel and grind the gears. Turned out that the brand new battery was a 63 amp one, got one for a regular Z4 and not a Z4 M.
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| BMW Z4 M Coupe -06 | BMW M3 -02 | BMW Z3 Coupe -99 | BMW 740i/6 -96 | BMW M5 3.8 -92 | BMW M535i -87 |
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11-10-2022, 10:12 AM | #9 | |
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A German mechanic inspected it, held the car for a couple days, told me the starter motor is going bust. Then told me the part is 1500 dollars, refused to install one I would provide. |
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11-11-2022, 10:09 AM | #10 | |
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1. Ignition switch 2. Starter 3. Battery If I only knew the hack that works only with batteries gave me the wrong one.
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BMW M2 LCI -18 | BMW 520DA Touring M-Sport -12
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11-11-2022, 10:11 AM | #11 |
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I do have a replacement ignition switch in my drawer. Have forgotten about that!!!
Yup will have to get to it and replace it to see if it helps |
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