2006 BMW M5 engine problems

Coolant is leaking from under the car which is equipped with the S63 engine. A low coolant warning might also be displayed (CC Message ID166).

This Service Information bulletin supersedes SI B07 03 14 dated October 2015. Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Fault codes stored in vehicles being serviced are not being diagnosed, leading to repeat repair visits (source- Analysis of FASTA data and repeat repair visit reports). INFORMATION Where diagnosis (vehicle or short test) with ISTA has already started, it is important to diagnose the fault code(s) listed below (when they are stored in the vehicle) to find their root cause during the current workshop visit. This will help lead to a reduction in workshop repeat repair visits and higher customer satisfaction.

"SUBJECT N62TU: ISTA Service Function for DME ""RAM Backup"". The ISTA Service Function test plan should be performed to clear stored values in the DME RAM memory after repairs are completed, in the following situations: z VANOS or engine-related repairs if any of the following faults cannot be cleared: 2A90 - Exhaust camshaft, tooth offset to crankshaft 2A91 - Exhaust camshaft 2, tooth offset to crankshaft 2A8A - Inlet VANOS, adaptation stop 2A8B - Inlet VANOS, adaptation stop 2 2A8C - Exhaust VANOS, adaptation stop 2A8D - Exhaust VANOS, adaptation stop 2 2A8E - Inlet camshaft, tooth offset to crankshaft 2A8F - Inlet camshaft 2, tooth offset to crankshaft z The engine oil level display cont

"BMW NA has agreed to extend the emissions warranties of the turbocharger's wastegate to: ??8 years or 82,000 miles, whichever occurs first, as determined from the vehicle's original in-service date select the ""Vehicle Comment"" button to display the extended coverage information. The terms of the original New Vehicle/SAV Limited Warranty and applicable emissions warranty still apply. BMW NA will not provide warranty coverage to any Settlement Class Member's vehicle containing modifications or alterations to the turbocharger or its wastegates (software, hardware or otherwise), or evidencing other conditions not normally covered under the original New Vehicle/SAV Limited Warranty or applicab

"N54 Engine: Diagnosis of Cold Start Rough Running with Misfire Faults. The customer may complain that during the cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated. Various misfire fault codes (e.g., 29CC, 29D2, 29D1, 29D0, 29C0, 29CF) may be stored in the DME control module. The engine rough running complaint can be reproduced on a cold start in the workshop. During the course of diagnosis, the spark plugs, removed from the misfiring cylinders after the problem was reproduced, are found to be soaked (""wet"") with fuel, while the injector tips are covered with a layer of carbon deposit. Possible cause: high-pressure injector failure (lea