hole in top of transmission

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jadamse21
Newbee
Posts: 2
Joined: Sat Jul 09, 2022 8:13 pm
My E21(s): 1983 320is 52,000 miles

hole in top of transmission

Post by jadamse21 »

anyone know what hole is for at top end of 5 speed transmission behind engine? mine is open without a plug etc.


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Wilmo
E21 Mad
Posts: 1822
Joined: Thu Jun 30, 2011 8:35 pm

Re: hole in top of transmission

Post by Wilmo »

Is that the hole where you can see the flywheel? It is for aiming a stroboscope into, to check timing of the engine.
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uwbuurman
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My E21(s): 1978 type 1 323i 5speed dogleg Polaris
Location: Ljouwert

Re: hole in top of transmission

Post by uwbuurman »

On a 4 cilinder box, that is.
It's the man next door!

1978 BMW 323i
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1987 BMW 325iA cabriolet
2006 BMW 320d touring High Executive
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jadamse21
Newbee
Posts: 2
Joined: Sat Jul 09, 2022 8:13 pm
My E21(s): 1983 320is 52,000 miles

Re: hole in top of transmission

Post by jadamse21 »

Thank you so much !
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nic65
Upcoming E21 fanatic
Posts: 87
Joined: Tue Sep 18, 2018 2:12 pm
My E21(s): 02/80 316 , 2000cc,5gear,4carbs

Re: hole in top of transmission

Post by nic65 »

it is usually closed with a plastic cap
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