OEM Oil in '08 GT - K-Bikes.com - Excellence in Motion
 
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post #1 of 6 (permalink) Old Feb 16th, 2010, 11:41 pm Thread Starter
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OEM Oil in '08 GT

Can anyone tell me what the OEM oil viscosity rating was on a 2008 GT? I'm curious because at my 12k service, the dealer used Castrol 5w40 full synthetic. For the life of me, I can't remember what was in there.
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post #2 of 6 (permalink) Old Feb 17th, 2010, 10:31 am
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Your going to find a wide variety of opinions on this subject. Last oil change on my 06 I used Amsoil 20W-50 synthetic motorcycle oil. It really quieted down the clutch noise and shifts real nice now.

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post #3 of 6 (permalink) Old Feb 17th, 2010, 2:14 pm
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Dino is 20-50. My dealer just switched me to synthetic at 24k. I'll need to ask them the viscosity so I can order the right weight for my next self-service.

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post #4 of 6 (permalink) Old Feb 17th, 2010, 5:47 pm
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Quote:
Originally Posted by pbbeck
Can anyone tell me what the OEM oil viscosity rating was on a 2008 GT? I'm curious because at my 12k service, the dealer used Castrol 5w40 full synthetic. For the life of me, I can't remember what was in there.
Your dealer is complying with most recent guidance from BMW. 5w-40 is the new standard for the late generation GTs.

Make sure you are sitting when you see how much they charge per quart.

Do you notice a difference in clutch engagement and shift at start up? I did, or at least I wanted to think I did at those prices.

Cheers!
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post #5 of 6 (permalink) Old Feb 17th, 2010, 6:54 pm
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At 6000 mile service I did the oil myself and used the GS-911 tool to check the fault codes, and reset the service minder. I switched over to BMW 5W40 super synthetic. I didn't notice any difference in the clutch, but the gearbox sure got quite, clunk is nearly gone, but the same thing happened on my RT so I kind of expected it.

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post #6 of 6 (permalink) Old Feb 17th, 2010, 9:50 pm Thread Starter
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Quote:
Originally Posted by Bandera
Your dealer is complying with most recent guidance from BMW. 5w-40 is the new standard for the late generation GTs.

Make sure you are sitting when you see how much they charge per quart.

Do you notice a difference in clutch engagement and shift at start up? I did, or at least I wanted to think I did at those prices.

Cheers!
They charged me $44.50 for 4L ($11.125/L). I can notice a difference in shifting, but I'm not sure I like it. It seemed to shift a lot more smoothly before I had it in the shop. Maybe it's just my imagination, but I missed two upshifts to 2nd today because it wouldn't engage cleanly. I haven't done that in years! For the rest of my commute, I had to use a more assertive than usual technique to get it to go into 2nd.
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