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high-altitude-adjustment-13-019-90-2399-390
( Service-InformationM otorcycle ©BMW of N.A. Service Department Group: 13 Fuel Supply & Adjustment March 1990 13 019 90 (2399) For USA Only High Altitude PerformanceA djustment: Over 4000 Feet above seal level for all 1978 – 1990 models The EPA requires the manufacturers of motor vehicles to provide altitude performance instructions. (This requirement is applicable to all motor vehicles to which Title II of the CAAap plies). To improve the emission/performance of low altitude vehicles when operated at a high altitude, a main jet change, as recommended on the enclosed list, is necessary. When such a vehicle is changed…
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air-filter-13-015-87-2245-387
(” ( Service-InformationM otorcycle BMW of N.A. Service Department Group: 13 Fuel Supply & Adjustments March 1987 13 015 87 (2245) For USA Only Air Filter Element – All Boxer Models – 1981 on Infonnation: The quality of the air filter element has been improved, al though the pa rt number has not changed. The most noticeable changes are: Change: Important: Complaint: Cause: Remedy: Note: 1. The density of the filter material 2. Number of folds 3. Outside surface of the filter 4. A better fit to the cover and air box lower housing The filter manufacturer’s raised imprint is…
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high-altitude-adjustment-13-012-86-2206-486
Service-InformationM otorcycle Group: 13 BMW of N.A. Service Department Fuel Supply & Adjustment April 1986 13 012 86 (2206) For USA Only HIGH ALTITUDE PERFORMANCEA DJUSTMENT: Over 4,000 feet above sea level for all 1978 – 1986 models EPA requires the manufacturers of motor vehicles to provide altitude performance instructions. (This requirement is applicable to all motor vehicles to which Title II of the CAA applies.) To improve the emission/performance of low altitude vehicles when operated at a high altitude, a main jet change,,as recommended on the enclosed list, is necessary. When such a vehicle is changed to high altitude…
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high-altitude-adjustment-13-011-85-2145-285
Service-Information Motorcycle Group:. 13 February 1985 13 011 85 (2145) BMW of N.A. Service Department Fuel Supply & Adjustment For USA and Canada Only HIGH ALTITUDE PERFORMANCAED JUSTMENT: Over 4,000 feet above sea level for all 1978 – 1985 models EPA requires the manufacturers of motor vehicles to provide altitude performance instructions. (This requirement is applicable to all motor vehicles to which Title II of the CAA applies.) To improve the emmission/performance of low altitude vehicles when operated at a high altitude, a main jet change, as recommended on the enclosed list, is necessary. When such a vehicle is changed…
