One Off the Bucket List; BMW 1974 M10 Full Overhaul

Joined
Dec 5, 2003
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4,565
Location
New England, USA
I have never done a full overhaul of any engine besides a Maytag Model 92.... Did a lower end 'refresh' of a Triumph 1500 engine in an MG Midget w/ new big end and center main shells and emery cloth intended to get one season out of it (that was in 1999, sold her later that year and the engine still going w/ current owner), replaced heads, etc, but never a full rebuild. I'm a glorified accountant after all.

With the help of a recently semi retired friend who races these seriously, we are doing a complete rebuild of an engine for our '74 2002. The engine will be built roughly to Euro spec w/ 9.5:1 pistons, a Shrick cam and a few other minor improvements, reusing the Weber 2 barrel from my current engine hoping for 115hp+ or so vs. 99 in original US trim.

Most importantly I am learning a lot and having fun. Just dropped parts off at machinist.

M10block425.webp

M10Bores425.webp

M10Head425.webp
 
Was there a fuel injected version of that engine? I know that 1974 was when you started seeing more vehicles going to fuel injection.
 
Was there a fuel injected version of that engine? I know that 1974 was when you started seeing more vehicles going to fuel injection.
There was, the 2002Tii w/ Kugelfischer mechanical fuel injection, unfortunately the conversion isn't practical. We thought about some of the throttle body conversions, but I will need to do a lot more research. We decided to stick w/ somewhat stock for now.
 
Was there a fuel injected version of that engine? I know that 1974 was when you started seeing more vehicles going to fuel injection.
1971 saw the introduction of the 2002tii and a fuel injected M10 rated for 128HP. A former girlfriend's brother had 3 of them back in the late 70s. Neat car.
 
There was, the 2002Tii w/ Kugelfischer mechanical fuel injection, unfortunately the conversion isn't practical. We thought about some of the throttle body conversions, but I will need to do a lot more research. We decided to stick w/ somewhat stock for now.
Nothing better than Webers in that engine.
 
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