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Service bulletins for the 2012 MINI Cooper Roadster

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

110 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
M1701152018-11-13. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. "Engine Cranks, No Start and/or Engine Coolant Temperature Faults. 1 The engine either exhibits a crank, no start or a hard start (long crank), usually on a cold engine. No faults are stored in the DME. Proceed to Correction 1 for further diagnosis. 2 NOTE: The engine may also exhibit the same starting behavior as in Situation1. The Service Engine Soon lamp is illuminated, with one or more of the following fault codes stored in the DME: Engine temperature sensor faults ? 2943 Coolant temperature sensor, signal change too fast ? 2937 Coolant temperature sensor, electrical: short circuit to positive ? 2936 Coolant temperature sensor, electrical: short circuit to earth ? 293A Coolant temperature sensor, plausibility, cold start: temperature too high ? 293B Coolant-temperature sensor, plausibility, cold start: Temperature too low ? 2947 Coolant-temperature sensor, signal: Fixed on low ? 2948 Coolant-temperature sensor, signal: Fixed ? 3393 Engine downtime, plausibility: Time too long in correlation with engine coolant cooling down ? 3392 Engine downtime, plausibility: Time too short in correlation with engine coolant cooling downIf any of the above fault codes are stored, proceed to Correction 2. Engine thermostat faults: ? 348E Characteristic map thermostat, actuation: Short circuit to positive ? 348F Characteristic map thermostat, actuation: Short circuit to earth ? 3490 Characteristic map thermostat, actuation: Open circuit If any of the above fault codes are stored then proceed to Correction 2: The above fault codes for the engine temperature sensor and thermostat are the primary fault codes for turning the Service Engine Soon light on. 1. Poor solder contacts in the engine coolant temperature sensor integrated into the engine thermostat housing 2. A faulty external or replaceable engine coolant temperature sensor (see below for identifying production changes in the thermostat and engine temperature sensors) 3. A faulty map-contro
M1201152018-11-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Misfire Due to Failed Ignition Coil. ? The Check Engine or Service Engine Soon (MIL) lamp is on with misfire fault(s) stored in the DME. ? Intermittent performance or rough running without a relevant DME fault stored The most likely cause is that an ignition coil has failed, which in many cases can be confirmed with basic diagnosis. During operation with high temperature fluctuations, the different materials used in the Bosch ignition coil construction can deteriorate over time, leading to a failure.
M1209152018-11-05. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. Intermittent Poor Throttle Response at High Ambient Temperatures. The engine throttle response from a stop can intermittently be sluggish when the outside ambient temperatures are higher. Additionally, this can be more noticeable when the fuel tank is only partially filled. CAUSE DME software for fuel tank ventilation control
M1101122018-11-05. Service bulletin. ENGINE. SI M11 01 12February 2015 EngineTechnical Service This Service Information bulletin supersedes SI M11 01 12 dated March 2014. designates changes to this revision SUBJECT N16 and N18 Engine: Engine Oil Leak. The customer states that a small engine oil leak can be seen from the underside of the engine. CAUSE The internal sealing of the oil pump volume control solenoid valve is compromised, allowing engine oil to leak from the oil pump volume control solenoid. DIAGNOSTIC
M0101162018-11-05. Service bulletin. ENGINE; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. "Technical Service N18 Engine High-Pressure Fuel Pump (HDP): Limited Warranty Extension to 10 Years/120,000 Miles This Service Information bulletin supersedes SI M01 01 16 dated March 2016. INFORMATION For the above-referenced vehicles, MINI USA, a division of BMW of North America, LLC ("MINI USA") is extending the limited warranty for the engine's High-Pressure Fuel Pump (HDP) to: 10 years/120,000 miles as determined by the vehicle's original in-service date. Item #1: This "componentspecific" limited warranty extension applies to defects in materials and workmanship and is subject to the applicable vehicle and coverage eligibility requirements, exclusions and limitations that apply to the New MINI Passenger Car Limited Warranty. Important Note: This limited warranty extension only applies to the listed vehicles produced up to and including 2/29/2012 (Leap year). Vehicles produced on or after 3/1/2012 are fitted with different equipment. Warning: This bulletin is notice of a "limited warranty extension." This is NOT a notice of a Recall or Service Action. There is no immediate repair required unless the MINI vehicle is currently experiencing this problem. Even though this is NOT a Recall, MINI USA will be sending VIN-specific customer notification letters in a phased release. Customer Notification Letter - VIN and Component-specific Warranty Extension Even though this is NOT a Recall, MINI USA will be sending VIN-specific customer notification letters in a phased release."
M0112162018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. "ENGINE MECHANICAL WATER (COOLANT) PUMP: LIMITED WARRANTY EXTENSION TO 7 YEARS/84,000 MILES. INFORMATION As part of a Class Action Suit Settlement for the vehicles listed above (""Class Vehicles""), MINI USA, a division of BMW of North America, LLC, is extending the limited warranty for the engine mechanical water pump to: z Item #1: This ""component-specific"" limited warranty extension applies to defects in materials or workmanship. z This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the MINI New Passenger Car Limited Warranty. z When it is necessary, the friction wheel is covered only when it is done in conjunction with performing an eligible and covered engine mechanical water pump repair. z This extended coverage does not apply to electric water pump. Note: This bulletin is a notice of a component-specific ""limited warranty extension as part of a Class Action Settlement. This is NOT a notice of a Recall or Service Action. There is no immediate repair required unless the MINI vehicle is currently experiencing a problem with the water pump."
BMWDEC01162018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. "Update MINI Water Pump Class Action Settlement: Herremans v. BMW of North America, LLC. MINI USA, a division of BMW of North America, LLC (""MINI USA"") has entered into a nationwide settlement with the plaintiffs in the above referenced class action and the Court has granted final approval of the settlement. This DCS message provides you with the latest information about this case and the settlement. Class Allegations. The Plaintiff claimed that MINI produced and sold certain MINI Cooper Class Vehicles with defective water pumps. Class Vehicles are MINI R55, R56, R57, R58, R59, and R60 Series vehicles equipped with N12, N14, N16 or N18 engines that were sold or leased to Class Members in the US (including Puerto Rico). The Class Vehicles were produced from October 2006 through November 2012."
M0101162018-11-05. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. "N18 Engine High-Pressure Fuel Pump (HDP): Limited Warranty Extension to 10 Years/120,000 Miles This Service Information bulletin supersedes SI M01 01 16 dated March 2016.. For the above-referenced vehicles, MINI USA, a division of BMW of North America, LLC ("MINI USA") is extending the limited warranty for the engine's High-Pressure Fuel Pump (HDP) to: z 10 years/120,000 miles as determined by the vehicle's original in-service date z Item #1: This "component-specific" limited warranty extension applies to defects in materials and workmanship and is subject to the applicable vehicle and coverage eligibility requirements, exclusions and limitations that apply to the New MINI Passenger Car Limited Warranty. z Important Note: This limited warranty extension only applies to the listed vehicles produced up to and including 2/29/2012 (Leap year). z Vehicles produced on or after 3/1/2012 are fitted with different equipment. Warning: This bulletin is notice of a "limited warranty extension." This is NOT a notice of a Recall or Service Action. There is no immediate repair required unless the MINI vehicle is currently experiencing this problem. Even though this is NOT a Recall, MINI USA will be sending VIN-specific customer notification letters in a phased release. Customer Notification Letter - VIN and Component-specific Warranty Extension Even though this is NOT a Recall, MINI USA will be sending VIN-specific customer notification letters in a phased release."
12 09 152016-02-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. MINI: FAULTY SOFTWARE FOR THE TANK VENTILATION CONTROL DISPLAYS ENGINE THROTTLE REACTION WHEN TEMPERATURE IS HIGH OUTSIDE, AND MORE OBVIOUS IF THE TANK IS ONLY PARTLY FILLED. *MA
SIM-11-10-142015-06-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. MINI: SOME VEHICLES HAVE TURBOCHARGER NOISE AND A LACK OR LOSS OF PERFORMANCE, DUE TO RESTRICTION OF TURBOCHARGER OIL SUPPLY, RESULTING IN OIL STARVATION AND SEIZING OF TURBOCHARGER ASSEMBLY. MODEL ALL. *PE
N-14-05-092015-05-22. Service bulletin. ENGINE. MINI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. QUESTIONS AND ANSWERS FOR TIMING CHAIN OF VARIOUS MINI. *PE
SI M-12-03-132013-11-12. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. MINI: SOME VEHICLES WOULD EXPERIENCE SERVICE ENGINE SOON LAMP ILLUMINATION OF RAIL PRESSURE SENSOR. MODELS 2012 AND UP R55, 56, 57, 58, 59, 60, 61. *PE
SIM-65-01-132013-04-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. MINI: INTEGRATED COOLING FAN IS NOISY INTERMITTENTLY. THIS NOISE MAY BE MORE NOTICEABLE AFTER THE IGNITION IS TURNED OFF. MODELS R55, R56, R57, R58, R59, AND R60. *KB
SIM-17-10-122013-01-16. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM. MINI: THE ENGINE THERMOSTAT HOUSING HAD POOR SOLDER CONTACTS IN COOLANT TEMPERATURE SENSOR WHICH CAUSED A NO START, OR HARD, LONG CRANK START OF A COLD ENGINE. NO MODELS OR MODEL YEARS LISTED. *PE
SIM-12-06-122013-01-16. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM. MINI: ENGINE COOLANT TEMPERATURE SENSOR, NOW AN INDIVIDUAL COMPONENT DUE TO CHANGE IN WIRING HARNESS AND REPLACEMENT OF HARNESS HAS TWO SEPARATE TWO PIN CONNECTORS, WHERE ONE FOR COOLANT TEMPERATURE SENSOR AND OTHER COOLANT THERMOSTAT. ALL MODELS BUILT UP TO 3/2012. *PE
SIM-11-03-122012-07-26. Service bulletin. ENGINE. MINI: WHEN RESEALING ENGINE OIL PAN, ENGINE OIL PAN GASKET REPLACEMENT SHOULD NO LONGER BE USED DUE TO CAUSING SEALING FLANGE BECOMING DEFORMED. MODELS R55, R56, R59, R60, R57, AND R58. NO MODEL YEARS LISTED. *PE
SIM-11-01-122012-07-25. Service bulletin. ENGINE. MINI: ON CERTAIN MODEL VEHICLES, AN ENGINE OIL LEAK MAY OCCUR, DUE TO THE COMPROMISED OIL PUMP VOLUME CONTROL SOLENOID VALVE, FROM THE UNDERSIDE OF ENGINE. NO MODEL YEARS LISTED. *PE UPDATED 4/19/2013. *KB UPDATED 3/11/14. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.