12 Cylinder Engine Swap

Transplanting a 1993 BMW 850ci engine into a 1989 BMW 750iL


Day 1 - Disconnections
Day 1 - Disconnections
Several hours of removing the hood, disconnecting hoses, and unplugging wiring.
Day 2 - Removal
Day 2 - Removal
Removal of radiator, exhaust, driveshaft, subframe, steering box, and finally, lowering the engine out of the car.
Day 3 - Cleaning
Day 3 - Cleaning
Cleaning the dirty, filthy, messy parts. Separating the Tranny, and sending it out for a rebuild.
Day 4 - More Cleaning
Day 4 - More Cleaning
More cleaning of dirty parts. Power washing the engine compartment.
day 10 - Engine Prep
Day 10 - Engine Prep
The rebuilt transmission returns and is attached to the new engine. Engine prep work continues.
Day 12 - New Engine In
Days 12 to 35 - New Engine
Hoisting the new engine & transmission into the car. Reattaching the cleaned subframe, new driveshaft, exhaust, suspension. Reattaching hoses & wiring. Car comes down off ramps. Waiting for parts. Clean and attach Intakes. More hoses. New plugs. New radiator. All new fluids.
The Whole Team
The Whole Team
From left to right...
Me: Assistant Grease Monkey.
Jane: Provider of many, many fine lunches.
Ed: M-Wrench Mechanic Extraordinaire!
It Runs!
It Runs!
Day 35: Engine starts! Minor tweaks, no leaks!
Favorite Pictures
Favorite Pictures
The short version of an engine swap. A few of my favorite pictures.
The Car
The Car
Pretty pictures of the car.
Old vs New
Old vs New
See why we went through all of this.
Throttles
Throttles
Throttles. Get your used Throttles here! Cheap and not so cheap! For sale!

visit our sponsors to help pay for bandwidth... thx.