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BMW Z3 M with a S65 V8

Published in engineswapdepot.com

GermanTech Motorworks is a company in Louisville, Kentucky specializing in BMW, MINI, Mercedes, Audi, Volkswagen, and Porsche repair. John Kephart is part-owner of the company and wanted a special BMW Z3 M Coupe (E36/8). So under the hood they swapped a 4.0 L S54 V8 and six-speed manual transmission from a 2010 BMW M3. The swap uses custom engine and transmission mounts, custom shifter linkage, and unlocked factory ECU. They were able to retain the factory crossmember and exhaust headers. Power is transmitted by a Driveshaft Shop carbon fiber driveshaft to a factory differential. GermanTech Motorworks changed to an E30 differential cover so they could use Garagistic secondary diff support kit. The coupe now produces 361 hp (269 kW) and 257 lb-ft (348 Nm) of torque to the wheels. Listen to John explain the project to MosierWorks in the video below.

side view of a silver BMW Z3 M with hood open

S65 V8 in the engine bay of a BMW Z3 M

side view of a silver BMW Z3 M

rear-side view of a silver BMW Z3 M

underneath view of a custom carbon fiber driveshaft on a BMW Z3 M with a S65 V8

E30 diff cover and Garageistic second diff support

S65 V8 motor next o BMW Z3 M on car lift

underneath view of the empty engine bay in a BMW Z3 M

underneath view of rear suspension showing no powertrain on a BMW Z3 M

Source: GermanTech Motorworks FB page and MosierWorks

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