1972 BMW 3.0CS - E9 with M30 Engine
Just starting on a full, nut and bolt, restoration this BMW. Got it partially disassembled and rolling on this dolly. I am sharing the build on BMW forum for these cars,"e9Coupe.com" The site has a wealth of knowledge and very helpful members. You can subscribe to it and get updates as I post new info.
'72 BMW 3.0cs - Restoration/Build
'72 BMW 3.0cs - Restoration/Build
This is the partially disassembled motor from the car. Not is real bad shape, but we wanted to start fresh so it is off to the machine shop.
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All the suspension was disassembled, cleaned, painted and re-assembled with new bearings and bushings.
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New Bilstein Shocks on all four corners.
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The body had some minor damage from years past. Not much rust at all. The lower rocker covers were a mess and new ones will be purchased.
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The spare tire pan was dented and had some rusted areas, so brand new tire well. I reinforced the trunk structure while I was there.
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The front nose was hit at some time, someone did a poor repair job that let water get in and cause damage. All fixed with new sheet metal. Made a new "Badge" indent with a bead roller.
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A picture to show the old cut out repair and new sheet metal.
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Several rounds of block sanding and polyester primer to get it straight and smooth.
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I did not like how BMW stopped the belt line trim at the trunk. Looked cheap to not go across the trunk lid, so we sourced a spare part and formed it to fit on the trunk. Moved the emblems up further on the trunk lid to accommodate the new trim. Will weld up the ends and polish to match the other trim.
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I also did not like the rubber on the bumpers and those overriders. Too bulky. Went for the clean streamline look and welded up the multi-piece bumpers into a single one-piece bumper. Sent them out to be chromed.
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Rear axle shafts rebuild with new boots, grease and ready to install.
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Rear Differential cleaned and inspected, new gear lube, ready to install.
Got the short block back from the machine shop. McCabe Motorsports in Falcon, Colorado. Custom RaceTec Pistons made for the build, all new bearings, balanced with flywheel and clutch.
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We made a mold of the old stock piston with the head installed and RaceTec 3d designed a higher compression piston for the build. If you look close you can see McCabe Motorsports laser engraved on the piston. http://racetecpistons.com/
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The heads received some minor flow porting, 3 angle valve job, and a new performance cam shaft from Ireland Engineering Motorsports.
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Engine assembly in progress
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Ireland Engineering Header test fit.
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For this build I am going to use a Holley Sniper Fuel Injection system. These are self learning systems which only improve the more you drive the car. It will be a 2 barrel throttle body unit set on a BMW marine manifold. The 2bbl flow more CFM's than the motor will even need, and provide better throttle response than a 4bbl unit. It is Math!
The manifold was for a spread bore carburetor, so I made and adapter plate and modified the manifold for proper flow. The 2bbl will also help even out the flow as it is further away form the center cylinders.
The manifold was for a spread bore carburetor, so I made and adapter plate and modified the manifold for proper flow. The 2bbl will also help even out the flow as it is further away form the center cylinders.
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I am going hide the throttle body under the stock air cleaner, if I can find a bigger single filter?
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