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09-21-2007, 04:09 AM | #1 |
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M3 Aftersales Training Information
For you guys waiting for the US introduction. Here's the BMW M3 Complete Vehicle Guide as found on bimmerfest:
http://www.m3post.com/goodiesforyou/...nformation.pdf Best regards, south |
09-21-2007, 08:20 AM | #2 |
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Thanks South! Some interesting tidbits in there:
1. Transmission oil is not considered "lifetime" 2. Clutch and dual mass flywheel must be replaced as a single unit 3. Verification that EDC is passive in sport mode 4. Unequal length half shafts (I'm surprised) 5. Knock ion detector failures can cause audio system problem (who would have thunk?) 6. Same transmission as used in 335i and US release E60 M6 (except cooler is added). Either the diff is really efficient or the S65B40 is underrated based on limited dyno charts available to date 7. Very little changes for the US release (seat cushions, fuel tank leakage diagnosis module) means no power derating or weight gains 8. Unusual firing order for a V8 engine 9. The DME is "only" rated for 9,000 RPM, so increasing rev limiter might be difficult if not impossible. 10. Excessive transmission oil temperature can invoke limp home mode Can anybody point me to the equivalent E60 M5 PDF (that is not scanned)?
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09-21-2007, 08:54 AM | #3 |
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Mmm, fun read.
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09-21-2007, 09:18 AM | #4 |
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Not surprised the 6MT is shared among other platforms... Actually kinda figured that.
Tranny fluid not considered lifetime is also not much of a surprise. However, the other stuff is interesting... Glad to hear we wont be getting strange seats or other weird configurations in the US... Jason
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09-21-2007, 09:59 AM | #6 |
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M-specific options:
• MDrive menu • EDC-K • 19" M3 rims, tyres • Seat back width adjustment (passive) • Enhanced leather interior • High speed down-control option 7ME "M Driver’s Package" (280 km/h). Individualization options: • BMW Individual High End audio system • Individual highly-polished shadow line • Individual interior trim • Individual paint finishes. Does this mean iDrive is standard???
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09-21-2007, 10:28 AM | #7 |
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iDrive
No, it's just not an M-specific option.
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09-21-2007, 03:06 PM | #9 |
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Gear ratios
Rear axle ratio is considerabley lower at 3.85 compared to 3.08 on the 335i. That's a 25% lower ratio (higher numerically), offset about 2% by the slightly larger rear tires.
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Greg Lake Oswego, Oregon, USA 2023 M2 Coupe - Brooklyn Grey/Cognac/CF, 6MT; 2020 MB GLE 450 Last edited by GregW / Oregon; 09-21-2007 at 03:37 PM.. |
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09-21-2007, 03:13 PM | #10 |
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Tech info
Thanks--fascinating info. Just read that the low pressure VANOS saves about 18.5 lbs compared to the S85 system. Also, clutch and flywheel weigh 8.8 lbs less than the M5's.
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09-21-2007, 03:24 PM | #12 |
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Absolutely. But that won't change the difference in gearing between the different gears, unfortunately. I was hoping to see the a better spacing between 1st and 2nd and 4th and 5th. I think we'll see ratios that are better matched to the S65 with the M-DCT box. Of course it will have 7 speeds too.
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09-21-2007, 04:53 PM | #13 |
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Very interesting - lots of detail
Nice document. Notice the production has been done predominantly with CAD. This means the pictures in the manual are the 3D digital engineering designs/"drawings" used by BMW adapted for this guide. Pretty cool and likely also a time/cost savings for BMW.
The things I found most interesting:
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09-21-2007, 05:07 PM | #14 |
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Nobody picked up on the fact you can have Individual paint in the US...
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09-21-2007, 05:10 PM | #15 |
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09-21-2007, 05:28 PM | #16 |
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Individual paint
This is a European publication. Where did you see this as US specific?
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09-21-2007, 06:23 PM | #17 |
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Confusion
I think I know why he/she thought this. I was confused by it initially as well. When south mentioned the US in his OP I think he just meant here is some information for us bored in the US. He did not mean that the document is specifically describing the US car.
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09-21-2007, 09:42 PM | #18 |
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True, but the document DOES specify some differences between US spec and non-US spec versions (implying it applies to the US as well), and it is a goal of BMW and many others to build "world cars" that don't need to be modified to sell in specific markets. The practice, for example, of selling ///M cars with different motors for the US market is long gone. The Europeans get smog performance above their requirements while we in the US get cars with pedestrian safety we don't even regulate. One car, all countries, that's the goal.
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09-21-2007, 10:24 PM | #19 | |
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Quote:
True but when it comes to Individual paint, that is just an option. There are many, many options we do not get on US cars. Speaking generally throughout all BMW modes, I mean. Everything from different navigation and audio systems to wheels to trim packages to rear fogs to interior and exterior trim colors are more are left off of our option list. True, this applies less so to M cars, but I think we'll need something more substantial than this document to make conclusions about US spec cars. |
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09-21-2007, 11:11 PM | #20 | |
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09-21-2007, 11:18 PM | #21 |
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