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  1. #1
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    1 out of 1 members liked this post. Yes Reputation No

    Exclamation Active Autowerke| SC M3 Level 2 reaches 91,000 Miles

    Bimmerboost Members,


    A customer has recently brought to my attention that his 2008 M3 with an astonishing 91,000 miles on the odometer and is still running strong. Our level 2 supercharger system was installed at only 11,000 miles. In fact, the vehicle is in a shop now awaiting installation of our new gen 2 level 3 Rotrex upgrade.





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  2. #2
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    Click here to enlarge Amazing man! I believe this is the highest amount of miles on a s/c e92 on a single engine. Best measure of longevity!
    ​2014 F10 M5 Competition Alpine White / Sakhir Orange
    Undercover Custom Downpipes & Connector. BMS Stage 1. IND Cosmetics. OEM CF Perf Spoiler.

    E92 M3 AA Gen 2 Lvl 3 586whp 398wtq SAE (sold)


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    Click here to enlarge Originally Posted by NikB316 Click here to enlarge
    Click here to enlarge Amazing man! I believe this is the highest amount of miles on a s/c e92 on a single engine. Best measure of longevity!

    I believe it maybe especially on a 2008.

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    So 80,000 miles with an SC? That should say plenty.

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    This is good news

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    2 out of 2 members liked this post. Yes Reputation No
    This is very reassuring. Keep up the great work!

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    I believe the customer is now upgrading his rod bearings and going to our level 3 kit. It should be interesting to see just how long this car will take a beating.

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    Click here to enlarge Originally Posted by Andrew@activeautowerke Click here to enlarge
    I believe the customer is now upgrading his rod bearings and going to our level 3 kit. It should be interesting to see just how long this car will take a beating.
    OEM rod bearings?

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    Yep.. To the updated version

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    Click here to enlarge Originally Posted by Andrew@activeautowerke Click here to enlarge
    Yep.. To the updated version
    I think I know the answer to this, but these were revised in 09 (LCI), right? Is there a way to check what version I have and/or is there a TSB?

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    Click here to enlarge Originally Posted by inlineS54B32 Click here to enlarge
    I think I know the answer to this, but these were revised in 09 (LCI), right? Is there a way to check what version I have and/or is there a TSB?

    To be honest Im not sure what build date they started switching over to the new part number but I believe it is in the 2009 range. Ill search around and see what I can find.

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    Click here to enlarge Originally Posted by Andrew@activeautowerke Click here to enlarge
    To be honest Im not sure what build date they started switching over to the new part number but I believe it is in the 2009 range. Ill search around and see what I can find.
    Is there any way we could get a list of all the changes for what parts and when they took place?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Is there any way we could get a list of all the changes for what parts and when they took place?

    If there is a list floating around I haven't seen it .

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    Click here to enlarge Originally Posted by Andrew@activeautowerke Click here to enlarge
    If there is a list floating around I haven't seen it .
    Heh no I guess I was asking you to create one although I understand that would be quite a bit of work.

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    1 out of 1 members liked this post. Yes Reputation No
    Found this on another forum .


    BMW changed the part number on the S65B40 engine's main crankshaft bearings after October 2008. (a month after the 2009 M3 model year started production)

    The following, is a summary of the exact bearing shell parts that were changed after 10/08, and the new BMW part numbers assigned.

    OEM factory replacement main crankshaft & bearing shell combo part#:

    AT-CRANKSHAFT WITH BEARING SHELLS 1 10/2008 11217841658 ENDED

    AT-CRANKSHAFT WITH BEARING SHELLS 1 (current) 11210443639


    Individual main crankshaft bearing shell part numbers:

    02 Bearing shell green 70,00MM Qty. 4 10/2008 11217841489 ENDED

    02 Bearing shell green 70,00MM Qty. 4 (current) 11217841610


    03 GUIDE-BEARING SHELL GREEN 70,00MM Qty. 1 10/2008 11217841499 ENDED

    03 GUIDE-BEARING SHELL GREEN 70,00MM Qty. 1 (current) 11217841618


    04 Bearing shell green 70,00MM Qty. 4 10/2008 11217841484 ENDED

    04 Bearing shell green 70,00MM Qty. 4 (current) 11217841606



    05 GUIDE-BEARING SHELL GREEN 70,00MM Qty. 1 10/2008 11217841494 ENDED

    05 GUIDE-BEARING SHELL GREEN 70,00MM Qty. 1 (current) 11217841614


    The BMW MOTORSPORT bearings are color-coded by the factory. There are different part numbers assigned to these main crankshaft bearing sets, based on these color codes. The above part numbers are assigned to the green main crankshaft bearing set.

    BMW also uses a set of 'yellow' & 'violet' main crankshaft bearings as well. (which both have two different part numbers)

    After 10/08, every individual set of color-coded main crankshaft bearings had a part number change.

    The BMW Connecting Rod Bearing shell part numbers on the S65 HAVE NEVER CHANGED SINCE DAY ONE. Click here to enlarge

    06 Bearing shell (upper), blue 53,00MM Qty. 8 11247841703

    07 Bearing shell (lower), red 53,00MM Qty. 8 11247841702

    Click here to enlarge

    The five-bearing crankshaft shown above, is actually forged from a single piece of billet steel round bar.

    The cylinder spacing on the S65B40 crankshaft is 98 mm. The forged steel crankshaft possesses a high level of bend
    resistance, and high torsional strength. (at a relatively low weight) The diameter of the main crankshaft bearing journal is 60 mm. The crankshaft end float is controlled by a thrust bearing located at the fifth main crankshaft bearing. (#3 & #5 in the diagram)

    The crank pin offset is 90, and for design reasons, a cylinder firing order of 1-5-4-8-7-2-6-3 was chosen
    for the S65, instead of the typical 1-5-4-8-6-3-7-2 firing order more commonly employed in other BMW V8 engines.

    FYI: An identification marking of the bearing shells, is engraved on the crankcase and on the first crank web.

    The lower portion of the crankcase (bedplate), is constructed using an aluminum-silicon
    alloy.(Alusil) Due to extreme crankshaft forces at high rpms, grey cast iron inlays was used to reinforce the die-cast aluminum bedplate construction.

    Why is that important?

    Because these cast iron inlays are supposed to limit crankshaft bearing clearances over a greater temperature range, and thus have a positive effect on the oil flow rate.

    __________________

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    Interesting...

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