transmission sight glass?

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raider57
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transmission sight glass?

Post by raider57 »

I just noticed a smaller oil sight glass aft of the engine oil glass on the left side. It's not mentioned my owners manual. Is this a transmission oil glass? aftermarket perhaps?
2012 R1200RT
Last edited by raider57 on Wed Oct 10, 2018 12:43 pm, edited 1 time in total.
julianq
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Re: transmission sight glass?

Post by julianq »


Photo?

JQ 2007 R1200RT
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milleplod
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Re: transmission sight glass?

Post by milleplod »

Wunderlich did/do a sight glass that replaced one of the gearbox metal plugs - could be one of them that a previous owner's fitted.
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David.
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Re: transmission sight glass?

Post by David. »

milleplod wrote:Wunderlich did/do a sight glass that replaced one of the gearbox metal plugs.
OilEye BMW Transmission Sight Glass, https://www.youtube.com/watch?v=--sxUZQz9h0
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timminator
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Re: transmission sight glass?

Post by timminator »

Sorry if this is a dumb question, but I didn't think I had transmission oil that was separate from the engine oil?  Is this a pre-LC thing?  I ride a 2016 RT.
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milleplod
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Re: transmission sight glass?

Post by milleplod »

timminator wrote: Sorry if this is a dumb question, but I didn't think I had transmission oil that was separate from the engine oil?  Is this a pre-LC thing?  I ride a 2016 RT.
2016 model has a wet clutch, the OP's bike is a 2012 with a dry one. The GS got the wet one, I think, in 2013, the RT a bit later.


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David.
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Re: transmission sight glass?

Post by David. »

raider57 wrote:I just noticed a smaller oil sight glass aft of the engine oil glass on the left side.
If a transmission oil sight glass was fitted as in the video, this would be on the RHS of the bike. Plus, it wouldn't be seen without removing the lower fairing panel.
Last edited by David. on Sat Oct 13, 2018 8:39 am, edited 1 time in total.
raider57
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Re: transmission sight glass?

Post by raider57 »

David. wrote: If a transmission oil sight glass was fitted as in the video, this would be on the RHS of the bike. Plus, it wouldn't be seen without removing the lower fairing panel.
Yes, the trans oil glass is in fact on the right side.  You can see it between the panels by looking towards the rear and slightly downwards. The previous owner must have installed it. I think it's actually a nice feature for a quick trans level check.
Hopefully it removes easily when fluid change time comes, and not sure what type of seal/gasket is used.
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David.
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Re: transmission sight glass?

Post by David. »

raider57 wrote:Hopefully it removes easily when fluid change time comes, and not sure what type of seal/gasket is used.
I'd expect the gasket ring to be the same as that required for the OEM plug, 18 x 22.

See item No. 14, https://www.realoem.com/bmw/enUS/showpa ... Id=23_1115
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