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These are my compiled MODs for pimping up my 42083 Bugatti Chiron. 
- Includes free 428 pages PDF with step-by-step building instructions.
- You will need 264 additional parts to the original set 42083-1.  Use rebrickable's compare feature to see which parts you need.

v1.5 (2019-05-19)

- Adding a center diff into power train inside gearbox. Fits well into the design and is clearly visible from the underside. Without center diff there was a lot of torsion inside the power train when driving curves. Now, the center diff enables smooth driving without internal torsion. This solution was inspired by SNIPE and enhances play-ability a lot!

v1.4 (2019-02-02)

- Adding Hand of God (HoG) lever for spoiler and air break. You now can operate the spoiler and air brake by an easy to reach lever directly next to the spoiler
- Adding Ackermann steering to the front axle
- Reinforced front axle and suspension giving a little bit more clearance to the front
- some small color changes on the chassis
- a little bit more space in the hood to carry the speed key

v1.3 (2019-01-04)

- improved spoiler and air brake fix based on nerdsforprez solution
- minor bug fixes in part list and instructions (2 blue long pins were not needed)

v1.2 (2018-08-20)

- reversed paddle shifter, so that shifting up "+" will be done by pulling the right hand paddle
- fixing a part error: In BOOK 1, page 114, step 5 you will need 4 frictionless pins to be mounted on the 24t gear

v1.1 (2018-08-15)

- Fixed the "wabbly door issue" by adding door hinges similar to 42056 Porsche GT3 RS
- I needed to flip some 2x4 liftarms in the doors to get space for the hinges to move free (see building instructions)
- Adding a self-locking and self-opening door-lock
- see green parts in this video for details
- now we have stable doors locking themself with a nice cloc-sound as it used to be for a Bugatti

v1.0 (2018-07-26)

- Easy to access Hand of God (HoG) steering with working steering wheel (a must-have for this MOD!)

- Improved front axle suspension to have more clearance and avoid sagging based on didumos69 solution

Improved gearbox with 8<->1 gear block and 2 gear meshes less to reduce friction based on the design of didumos69

- Easy to access Hand of God (HoG) gear switch and indicator motivated by ttoobbyy
  And this is not only a gear indicator, it is a HOG gear switch.
  You may easy switch between all of the 8 gears by your finger tip,
  without a pain to reach the paddle shifter underneath the steering wheel.
  The paddles still work, if you like. 

- Improved rear axle suspension to avoid sagging by replacing friction pins

- 3D model (*.mpd) made with LDCad 1.6b
- PDF building instructions made with LPub3D

Have fun to pimp up your Bugatti, if you like!

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14 files
42083-Pimp-Up-My-Bugatti-box1.1-rear axle.png
42083-Pimp-Up-My-Bugatti - Drive Train.png
42083-Pimp-Up-My-Bugatti - HOG shift.png
42083-Pimp-Up-My-Bugatti - HOG spoiler.png
42083-Pimp-Up-My-Bugatti - HOG Steering.png
42083-Pimp-Up-My-Bugatti - rear view.png
42083-Pimp-Up-My-Bugatti underside.png