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  #1  
Old 21-02-2006, 01:46 PM
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QUIRKY QUIRKY is offline
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Default E30 Engine specs

M10
Straight 4 cylinder SOHC 8V.
Used in E30 316
1.6 (85bhp)

M20
Straight 6 cylinder SOHC 12V.
Used in E30
2.0i (129bhp), 2.5i (170bhp)


M40
Straight 4 cylinder SOHC 8V. Replaced the M10lbs
Used in post 87 E30 316i/318i
1.6 (102bhp), 1.8 (122bhp)


M42
Straight 4 cylinder DOHC 16V.
Used in E30 318is
1.8 (138-142bhp)

S14 (The daddy of them all)
Straight 4 DOHC 16V Solid Lifter Valvetrain and Individual Throttle Bodies. 1987-1991.
Used in the E30 M3 and Italian only E30 320is
2.0L (195bhp) 2.3L (195-220bhp), 2.5L (238bhp)


I think i have missed out on some details,but it may be a reference point for people to work from
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  #2  
Old 21-02-2006, 01:51 PM
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Your really gonna get a big head now :lol:
Made sticky as they are good to know.
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  #3  
Old 25-02-2006, 12:13 AM
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dont mean to be anal but the 2.5 was only ever 238bhp

2.3's were (depending on the car) 195bhp to 220bhp
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  #4  
Old 01-08-2006, 11:43 PM
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Question

is there realy that much of a power difference between the m40 1.6 and 1.8
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  #5  
Old 02-08-2006, 09:05 AM
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Quote:
Originally Posted by happy
is there realy that much of a power difference between the m40 1.6 and 1.8
Hmm. Looking at it now it does look a bit odd. I could have always sworn the early 1.8 engines had 105 bhp and the later 1.8 engines had 115 bhp.
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  #6  
Old 04-01-2008, 10:31 AM
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Default engine specs.

does anyone have a ling to E34 and E36 engine specs?
thanks
pat.
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  #7  
Old 04-01-2008, 10:37 AM
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The M42 was used in early e36 318is' too.
But saying that, this is an E30 site so ye prob don't give a rats ass...!!!
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  #8  
Old 04-01-2008, 10:47 AM
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Default specs

an e 30 site? never!

have never actually had an e30 as my daily driver, and theres 6 of them in the yard at the moment!
theres also
1 e36,
2 518,
2 mercs 180's,
1 nissan laurel,
1 silvia,
1 mk 2,
1 volvo 740,
oh and nearly forgot the ould nissan vanette!
am i addicted to rwd?!!
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  #9  
Old 30-05-2008, 03:55 PM
Paul Sinc Paul Sinc is offline
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Forgive the probably 'basic' nature of my query (I'm new to this)... but how do I tell if I have an M10 or an M40..?
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  #10  
Old 30-05-2008, 04:16 PM
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Check this site out. Really good.
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  #11  
Old 30-05-2008, 04:59 PM
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another good page. not that i'm promoting other sites.

http://www.bimmerforums.com/engine_faq/
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  #12  
Old 31-07-2008, 03:00 AM
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ty quirky, nice to have that info in one post...
thanx for that...
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  #13  
Old 31-07-2008, 10:11 AM
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Quote:
Originally Posted by QUIRKY View Post
M10
Straight 4 cylinder SOHC 8V.
Used in E30 316
1.6 (85bhp)
The original E30 M10 was 1.8 (1766cc). The earlier 316 wasn't 1.6 but
1766cc. The M10 was never made in 1.6 litre capacity. The later 316
which has 1600cc was an M40 based block.
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  #14  
Old 31-07-2008, 12:09 PM
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Quote:
Originally Posted by Paul Sinc View Post
Forgive the probably 'basic' nature of my query (I'm new to this)... but how do I tell if I have an M10 or an M40..?
M10 has a carb and a big airbox on top of the engine,
M40 is fuel injected so has an AFM, airbox down in front of the passenger wheelarch and an intake plenum over the top of the engine
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  #15  
Old 31-07-2008, 01:33 PM
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Quote:
Originally Posted by DaveM-sport View Post
M10 has a carb and a big airbox on top of the engine,
M40 is fuel injected so has an AFM, airbox down in front of the passenger wheelarch and an intake plenum over the top of the engine
Not neccessarily so. The early (chrome bumpered) fuel injected 318i used an M10 block too.
The 318 (with no "i") used a Solex carb.
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