 
				
	| 1998 BMW 750iL 5.4L Poor Idle Quality, Hesitation, Misfire Happy New Year Group- this 12 cylinder E38 has us stumped. Car came in with a customer complaint of intermittent power loss/ rough running while driving. Pulled codes: had a boat load of misfire codes for both banks with and without fuel shut off as well as le... 
                        
                            FIX posted 2/13/2012
                               
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| VIN | WBAGK2328W | 
| Engine | 5.4 L / 12 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Hesitation, Misfire | 
| Occurs | After 13 - 16 Miles | 
Trouble Codes
| 202 | ignition circuit monitoring A | 
| 203 | ignition circuit monitoring B | 
| 68 | cyl 6 misfire | 
| 69 | cyl 7 misfire | 
| 71 | cyl 9 misfire | 
| 74 | cyl 12 misfire | 
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             Vehicle Data
 Vehicle Data
                1998 BMW 750iL
| VIN | WBAGK2328W | 
| Engine | 5.4 L / 12 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Hesitation, Misfire | 
| Occurs | After 13 - 16 Miles | 
Trouble Codes
| 202 | ignition circuit monitoring A | 
| 203 | ignition circuit monitoring B | 
| 68 | cyl 6 misfire | 
| 69 | cyl 7 misfire | 
| 71 | cyl 9 misfire | 
| 74 | cyl 12 misfire | 
 3 Replies Received
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