16‐04‐013BUG – Tank Control Unit – 2006-2011 Bugatti Veyron

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Technical Bulletin 16‐04‐013BUG Tank Control Unit April 2016 Page 1 of 6 Revision 1 Applicability: Bugatti Veyron Bugatti Grand Sport VIN range : Contact your Bugatti regional service manager Market Region: All Introduction: Fuel tank control unit requires replacement with later version. Description: Fuel tank indicator can show a higher fuel level than the actual level of fuel in the tank. A new control unit with revised software has been introduced to supply the correct signals from the level sensors. Warning: Comply with the vehicle preparation measures for maintenance and repair procedures. Refer to the official Workshop Manual, Page 18 “General instructions about the vehicle” If in any doubt regarding this procedure, contact your Bugatti regional service manager. Technical Bulletin 16‐04‐013BUG Tank Control Unit April 2016 Page 2 of 6 Revision 1 Procedure: 1. Remove centre console armrest (1) 2. Remove the passenger side rear wall trim  Loosen the lower passenger rear wall trim ‐1‐ using a dismounting wedge (e.g. ‐3409‐), in direction of travel ‐arrows‐.  Pull the lower rear wall trim‐2‐ in direction of travel –arrows to loosen the trim elements.  Remove the trim ‐1‐ and ‐2‐ upwards in direction of arrow A‐. Technical Bulletin 16‐04‐013BUG Tank Control Unit April 2016 Page 3 of 6 Revision 1 3. Remove rear wall compartments (1)  Open the flap for the tray with the button on the rear wall.  Unclip the floor compartments ‐2‐ from the tray with a dismounting wedge  Pull the rear wall compartments ‐1‐ out of the tray. 4. Centre rear wall trim loosing  Use a dismounting wedge (e.g. ‐3409‐) to lever out the retaining clips ‐2‐.  Open the cover ‐4‐ of the tray ‐5‐.  Unscrew the fastening bolts ‐7‐ and fastening nuts ‐6‐ in the tray ‐5‐.  Unscrew the fastening bolts ‐3‐ in the centre wall trim  Unscrew the fastening bolts ‐1‐ in the monocoque Technical Bulletin 16‐04‐013BUG Tank Control Unit April 2016 Page 4 of 6 Revision 1 5. Gently pull the passenger side of centre rear wall to access the Tank control unit and unplug it. 6. Unscrew the 2 nuts with 10mm socket Passenger side view of the monocoque without interior trim Tank Control Unit Passenger side view of the Tank Control Unit (while pulling centre rear wall) Technical Bulletin 16‐04‐013BUG Tank Control Unit April 2016 Page 5 of 6 Revision 1 7. Remove the Tank Control Unit 8. Install the new Tank control Unit 5B0906020 B (Software version V 3.03) and screw the 2 nuts carefully (approx. 1Nm) 9. Connect the new Tank Control Unit 10. Install the centre rear wall trim Installation is in reverse order of removal.  Tighten fastening Bolts ‐7‐ to 4,5Nm tightening torque  Tighten mounting nuts ‐6‐ to 3 Nm tightening torque  Tighten fastening Bolts ‐1‐ to 1 Nm tightening torque  Tighten the retaining clips and check for firm seat (All clips must be replaced)  Tighten fastening Bolts ‐3‐ to 1 Nm tightening torque 11. Install the rear wall compartment, passenger side rear wall trim and the centre console armrest Installation is in reverse order of removal 12. End of procedure Technical Bulletin 16‐04‐013BUG Tank Control Unit April 2016 Page 6 of 6 Revision 1 Warranty information: Operation Defect Code Repair Code Time Tank control unit replacement BUGVR5/1 1 hr Bugatti Bulletins are intended for use by experienced and trained technicians. If you lack the skills, tools, equipment and a suitable workshop for any procedure described in this document, we suggest you leave such repairs to an Authorised Bugatti Partner. See your Bugatti Partner for advice on whether your vehicle may benefit from the information contained within this document. The information contained in this Bulletin is accurate at the date of publication. However, Bugatti Automobiles S.A.S. regularly updates technical information. Please check with your Bugatti Partner that the Bulletin you intend to use contains the latest available information.  Bugatti Automobiles S.A.S. All Rights Reserved

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 16V-200 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Bugatti Submission Date : APR 07, 2016 NHTSA Recall No. : 16V-200 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Bugatti Address : 1 Chateau St Jean Dorlisheim, France 00 67120 Company phone : 999 Number of potentially involved : 72 Population : Estimated percentage with defect : 100 Vehicle Information : Vehicle : 2006-2010 Bugatti Veyron Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS Descriptive Information : Fuel tank indicator can show a higher fuel level than actual level Production Dates : OCT 03, 2006 – JAN 17, 2010 VIN (Vehicle Identification Number) Range Begin : VF9SA15B36M795001 End : VF9SC2C27AM795238 ✔ Not sequential VINs Vehicle : 2010-2011 Bugatti Veyron Grand Sport Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS Descriptive Information : Fuel tank indicator can show a higher fuel level than actual level Production Dates : SEP 29, 2009 – JUN 30, 2010 VIN (Vehicle Identification Number) Range Begin : VF9SK2C27AM795002 End : VF9SK2C28AM795302 ✔ Not sequential VINs Description of Defect : Description of the Defect : Fuel tank indicator can show a higher fuel level than actual level FMVSS 1 :NR FMVSS 2 :NR Description of the Safety Risk : Potential for customer to run out of fuel and the car to stop, causing a risk of an accident Part 573 Safety Recall Report 16V-200 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Cause : System tolerances lead to wrong signal to the indicator. Sensor interprets the signal incorrectly. Identification of Any Warning that can Occur : Engine will start to run rough and then stop Supplier Identification : Component Manufacturer Name : Bugatti Address : 1, Chateau St Jean Molsheim FOREIGN STATES 67120 Country : France Chronology : At the end of 2009 a car ran out of fuel during the final test drive in production – indicated 30 ltrs. In January 2010 analysis has been conducted and concluded. In February 2010 the repair solution has been published internally. This has also been experienced in the field Description of Remedy : Description of Remedy Program : On affected vehicles the fuel tank control unit will be replaced (combination of hardware and software improvement). Official Bugatti Partners to do the work. Bugatti will cover all the costs involved for the repair (no time or Km limit) How Remedy Component Differs from Recalled Component : The new control unit including software with a new part number has the fix to avoid wrong sensor signal. The right fuel level is given to the indicator. Identify How/When Recall Condition was Corrected in Production : The new tank control unit (combination of hardware and software improvement) introduced in February 2010. Recall Schedule : Description of Recall Schedule : Customers will receive a letter. Our Flying Doctors will also inform customers individually by phone/then e-mail to arrange an appointment to have the vehicles fixed. All but 5 cars have already been remedied. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date :NR – NR Part 573 Safety Recall Report 16V-200 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 16V-200 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Bugatti Submission Date : APR 13, 2016 NHTSA Recall No. : 16V-200 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Bugatti Address : 1 Chateau St Jean Dorlisheim, France 00 67120 Company phone : 999 Number of potentially involved : 72 Population : Estimated percentage with defect : 100 Vehicle Information : Vehicle : 2010-2011 Bugatti Veyron Grand Sport Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS Descriptive Information : Fuel tank indicator can show a higher fuel level than actual level Production Dates : SEP 29, 2009 – JUN 30, 2010 VIN (Vehicle Identification Number) Range Begin : VF9SK2C27AM795002 End : VF9SK2C28AM795302 ✔ Not sequential VINs Vehicle : 2006-2010 Bugatti Veyron Vehicle Type : LIGHT VEHICLES Body Style : 2-DOOR Power Train : GAS Descriptive Information : Fuel tank indicator can show a higher fuel level than actual level Production Dates : MAR 10, 2006 – JAN 17, 2010 VIN (Vehicle Identification Number) Range Begin : VF9SA15B36M795001 End : VF9SC2C27AM795238 ✔ Not sequential VINs Description of Defect : Description of the Defect : Fuel tank indicator can show a higher fuel level than actual level FMVSS 1 :NR FMVSS 2 :NR Description of the Safety Risk : Potential for customer to run out of fuel and the car to stop, causing a risk of an accident Part 573 Safety Recall Report 16V-200 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Cause : System tolerances lead to wrong signal to the indicator. Sensor interprets the signal incorrectly. Identification of Any Warning that can Occur : Engine will start to run rough and then stop Supplier Identification : Component Manufacturer Name : Bugatti Address : 1, Chateau St Jean Molsheim FOREIGN STATES 67120 Country : France Chronology : At the end of 2009 a car ran out of fuel during the final test drive in production – indicated 30 ltrs. In January 2010 analysis has been conducted and concluded. In February 2010 the repair solution has been published internally. This has also been experienced in the field Description of Remedy : Description of Remedy Program : On affected vehicles the fuel tank control unit will be replaced (combination of hardware and software improvement). Official Bugatti Partners to do the work. Bugatti will cover all the costs involved for the repair (no time or Km limit) How Remedy Component Differs from Recalled Component : The new control unit including software with a new part number has the fix to avoid wrong sensor signal. The right fuel level is given to the indicator. Identify How/When Recall Condition was Corrected in Production : The new tank control unit (combination of hardware and software improvement) introduced in February 2010. Recall Schedule : Description of Recall Schedule : Customers will receive a letter. Our Flying Doctors will also inform customers individually by phone/then e-mail to arrange an appointment to have the vehicles fixed. Owners may contact their dedicated Flying doctor or Bugatti on tel.(805) 557-1050” All but 5 cars have already been remedied. Planned Dealer Notification Date : APR 14, 2016 – APR 15, 2016 Planned Owner Notification Date : APR 22, 2016 – APR 22, 2016 Part 573 Safety Recall Report 16V-200 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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