Fuel Injection And Induction System Cleaning (M13 01 07)
Publication date: 2011-06-01Reference number: M13 01 07
FUEL INJECTION AND INDUCTION SYSTEM CLEANING
TECHNICAL SERVICE BULLETIN
| MINI: | R50 (Cooper) vehicles equipped with W10 engine; R52 (Cooper and Cooper S) vehicles equipped with W10 and W11 engines; R53 (Cooper S) vehicles equipped with W11 engine; R55 (Clubman) vehicles equipped with N12 engine; R56 (Cooper) vehicles equipped with N12 engine; R57 (Cooper Convertible) equipped with N12 engine |
| GROUP: | Fuel Systems |
SUBJECT
Fuel Injection and Induction System Cleaning
SITUATION
Deposits found in the injection and induction system may cause the vehicle to experience a variety of drivability complaints, eventually leading to the Service Engine Soon lamp to be illuminated. Some of the possibilities are listed below.
Fuel Injectors
Deposits at the fuel injector's tip can impact fuel flow, disturbing the air/fuel mixture ratio. Symptoms are the following: Hesitation or stumble during acceleration, or even loss of power; poor fuel efficiency; increased emissions of HC and CO; and "Service Engine Soon" lamp illumination due to misfire faults, or lean mixture adaptations.
Intake Valves
Deposits at the valves and on the intake manifold ports can absorb fuel during the warm-up phase, leaning out the air/fuel mixture ratio. Carbon buildup may disturb the mixture flow at low throttle conditions and/or idle speeds.
Symptoms are the following: Poor drivability; loss of power; unstable and/or rough idle; increased emissions of HC, CO and NOx; and "Service Engine Soon" lamp illumination due to intermittent misfire faults.
Combustion Chamber
Combustion Chamber Deposit Interference (CCDI) occurs when there is a contact between carbon deposits on the piston crown and the cylinder head. The noise can be confused or misdiagnosed as a ping, knock, or other noises that could indicate a mechanical failure. CCDI occurs first as a cold start noise that can fade as the engine warms to operating temperature. The noise will reoccur at the next cold start. As deposits build, there is an increase in compression temperature that may cause pre-ignition detonations.
Symptoms are the following: Knocking; pinging; run-on; poor acceleration; octane requirement increase; increased emissions of NOx; and engine idle speed surges.
Depending on the manufacturer, fuels may contain various additives such as: oxidation and corrosion inhibitors; metal deactivators; emulsifiers; and anti-icing agents and dyes. In addition, they are required to include some form of an intake system deposit control package. Unfortunately, not all fuels are created equal, and some additive packages are not effective enough to maintain the integrity of the intake systems in high performance engines, or engines operating under severe environmental conditions. Even worse, the intake system deposit control additives in some fuels may actually contribute to the combustion chamber deposits accumulation, and to the problems associated with those deposits, i.e., knock, run-on and increased emissions of oxides of nitrogen.
To remedy these complaints, the BMW Group has developed a new special tool and cleaner concentrate to clean the fuel and injectors, induction system and combustion chamber of harmful deposits.
Fuel Injector and Induction System Cleaner Concentrate P/N 82 14 0 428 376 1 bottle, 16 fl. oz.
This item will be shipped via the automatic Tool Shipment Program. Refer to SI M04 07 07 for complete details.
Fuel Injector and Induction System Cleaner Applicator Kit P/N 82 14 0 429 692
Pressure Relief Button, Shutoff Valve and 40 Micron filter location
Kit Overview:
Quick Disconnect Male Plug P/N 82 14 0 429 694
Quick Disconnect Female Cap (Future Use) P/N 82 14 0 429 695
Braded Line/Female Quick Disconnect P/N 82 14 0 429 697
EFI Quick Disconnect Fitting (.307-32) (Future Use) P/N 82 14 0 429 698
EFI Quick Disconnect 90° Fitting (7/16-20) (Future Use) P/N 82 14 0 429 699
P/N 82 14 0 429 700
Applicator (replacement part only) P/N 82 14 0 429 701
The applicator lid replacement o-ring can be ordered by calling the BMW Equipment Program at (888) 222 7997, using P/N 16-213209.
The steel braided application hose can be ordered separately, using P/N 82 14 2 155 163.
Clear Drain Hose Assembly (with chain and rubber plug, replacement part only) P/N 82 14 0 429 703
Refer to the attached procedures described below by model. It is recommended that two applications be made consecutively on each vehicle. Every vehicle will require 1 liter of fuel to perform the cleaning procedure. If more applications are required, please contact your Regional Technical Engineer via PuMA.
Procedure A - All vehicles equipped with the W10 engine
Procedure B - All vehicles equipped with the W11 engine
Procedure C - All vehicles equipped with the N12 engine
The shop air supply should be dried using a general purpose filtering system; the tool is not recommended for use with a lubricating system.
FINAL PROCEDURE FOR RELEASING THE VEHICLE TO THE CUSTOMER
Advise the customer that it is necessary to add one bottle of MINI CRUD-B-GONE Fuel System Cleaner Plus, P/N 82 14 2 186 158, with either TOP TIER Detergent Gasoline or Premium Fuel with a minimum octane rating of AKI 91, the next time that the vehicle is refueled.
For optimum cleaning, advise the customer to add one bottle every 3,000 miles when refueling. Refer to SI M13 05 06, MINI CRUD-B-GONE Fuel System Cleaner Plus.
More information regarding fuel systems and fuel additives can be found in the following Service Information bulletins:
- SI M13 01 06 Alcohol Fuel Blends in MINI Vehicles
- SI M13 02 06 TOP TIER Detergent Gasoline in MINI Vehicles
- SI M13 05 10 Fuel Composition Tester
- SI M13 05 06 MINI CRUD-B-GONE Fuel System Cleaner Plus
PARTS INFORMATION
| Part Number | Description | Quantity |
|---|---|---|
| 82 14 0 428 376 | Fuel Injection and Induction System Cleaner Concentrate | 1 |
| 82 14 2 186 158 | MINI CRUD-B-GONE Fuel System Cleaner Plus | 1 |
WARRANTY INFORMATION
This service information bulletin is intended to provide technical, diagnostic and/or repair information only.
Because carbon deposit build up is related to fuel quality, it cannot be considered a defect in the vehicle's materials or workmanship.
Consequently, performing the BMW Group Fuel Injection & Induction System Cleaning Procedure is not covered under the terms of the MINI New Passenger Car Limited Warranty, MINI Maintenance Program or the MINI NEXT Certified Pre-Owned MINI Program.
CUSTOMER REPAIR ORDER-INVOICING INFORMATION
Listed below are suggested time allowances for performing the cleaning service (two applications) on the various listed model and engine types:
| R50, R52 vehicles with W10 engine | 6 FRU |
| R53, R52 with W11 engine | 8 FRU |
| R55, R56, R57 vehicles with N12 engine | 6 FRU |
TOOL WARRANTY INFORMATION
The use of non-approved materials voids the warranty of the Fuel Injector and Induction System Cleaner Applicator Kit, P/N 82 14 0 429 692, and its contents. All of these tools are returned for inspection. If materials causing damage to these tools have been identified, then the tool will be returned to your center and a replacement credit will not be applied. When the tools described above are returned for warranty reimbursement, the tool must be accompanied by contact information and a reason for return in the shipping carton. Using a non-approved material can lead to deterioration of the tool, resulting in incorrect operation and a possible safety concern.
The Fuel Injector and Induction System Cleaner Applicator is constructed with materials that are compatible with gasoline and the Fuel Injector and Induction System Cleaner Concentrate, P/N 82 14 0 428 376, only .
Refer to Parts Information bulletin PIB06 03 02 for tool warranty details.