BMW 740i Repair and Maintenance
A guide to problems, costs, maintenance and repair for your BMW 740i
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BMW 740i ProblemsMultiple Power Steering Hoses May Simultaneously Fail
A fluid leak may develop from one or more power steering hose. When a leak is being repaired, it is not uncommon for multiple hoses to be replaced.
The rear lower ball joints may wear causing alignment and tire wear issues as a result of the excessive play in these joints. Our technicians tell us a 4wheel alignment should be performed after ball joint replacement.
Leaks are known to develop in the cooling system. It is common to see more than one part recommended for repair/replacement due to overlapping labor and the use of many plastic parts in the system.
BMW 740i QuestionsEngine misfiring on Bank 1 possibly due to timing problem. Could be timing guild (1 answer)
Replaced 20+ items on engine and it still runs rough as though it wants to stall out, it has left me stranded a couple times. The most likely problem is the timing chain rail is broken and maybe the tensioner and/or the gear and or vanos timing. Need to remove front of engine and replace problem...
The car has 223,000 miles on it and I have already replaced battery, water pump, and fuel pump.
BMW 740i RecallsThe Auxiliary Water Pump May Smolder and/or Catch Fire
On vehicles equipped with an 8 or 12 cylinder turbocharged engine, the circuit board for the electric water pump may overheat. This could lead to smoldering of the pump and/or an electrical fire in the engine compartment. Dealers will replace the auxiliary water pump to correct this concern.