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The new Supra..... a BMW in Toyota's clothing

Details on the new Toyota Supra have been trickling out seemingly forever, to the point where a leaked parts catalog pretty much shows off the whole car. But that parts catalog tells us a lot about the car’s internals, including a ton of new details about its BMW engine. The catalog reveals the Supra is still very much a BMW parts bin car.

The Supra will offer engine options that are similar to the Z4 but many believed that they would be customized to some extent. According to the catalog, the 3.0-liter turbo inline-six Supra engine will actually be very close to the engine in the new BMW X5.

The version in the Supra is dubbed the B58B30C and the complete assembly appears to be unique to the Supra—for now. Since the Z4 catalog has not been posted at this time, we cannot confirm if they share the whole assembly, but it’s probably safe to assume as much.

The crankshaft and pistons are also shared with the X5 engine, while the connecting rods are a fairly standard part that has been used in various 3.0-liter BMWs since 2015. The story with the oil pan is similar as it has also been in use for the same motor since 2014 and is a common part number.

The oil pump is unique to the Supra, as is the turbocharger. The water pump and heat management module are shared with the X5.

Based on what we can see from the part numbers, it appears that BMW took the engine destined for the X5 and swapped out the oil pump and turbocharger along with maybe a few other smaller parts but the overall engines are very similar and share the majority of their parts. The engine and transmission mounts appear to be unique to the Supra while the transmission is listed as being the ZF 8HP51Z with its won unique part number. The engine computer, starter, and alternator are shared with the X5.

The fuel rail is shared with the X5 while the high pressure injectors are a common BMW part that has shown up in cars such as the current 5-Series and the Mini Clubman. The throttle body is shared with the X5.

Steering also looks very familiar so it is no surprise that the steering column is shared with the X3 and X4 although the steering rack appears to be unique to the Supra.

Moving on to the HVAC system, we find that the heater core, A/C compressor, A/C evaporator, and cabin air filter are shared with the X3 and X4. The theme follows along in the rest of the interior as the accelerator pedal is also shared with those two vehicles along various other current BMW models.

The window motors are shared with the 6 Series Gran Turismo while the lock switches are shared with the X3 and X4. The parking brake switch comes out of the 5 Series. 

Moving toward the back, we find that the trunk lid lock is shared with the Mini Clubman while the lock striker is shared with i3. The mirrors are X2 units with different covers.

Advanced safety equipment is becoming almost standard so it is no surprise that the Supra will have an optional forward facing camera, radar, and ultrasonics and this was easily accomplished as all of these parts are shared with the X5. The power distribution system modules and network switches are shared with a variety of vehicles ranging from the X3 to the Rolls-Royce Cullinan.

Based on the parts we’ve spotted so far, it is apparent that the Supra is fundamentally a BMW vehicle and one that they’ve tried to build while using many of their existing parts. I expect that we will see these same parts on the Z4 and the only bits of Toyota that we will see here will be the badges and any custom tuning that they might have done on the ECU.

 

-Bozi Tatarevic

Freelance Writer • Jalopnik

 

 

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