BMW 840Ci Repair and Maintenance

A guide to problems, costs, maintenance and repair for your BMW 840Ci

BMW 840Ci Problems

The front thrust rod bushingsalso referred to as tension strut bushingsare known to fail occasionally. The oil-filled rubber mounts weaken and crack over time, causing a mushy road feel and shuddering in the steering wheel when going over bumps.

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.

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.

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BMW 840Ci Questions

The overheating was not resolved with water/coolant added. It now has set up 5 yrs plus. There were no recalls for issues of water/gasoline..that is any type of condensation.

A5S-560Z out of a 1996 was used in replacement of trans. I have power to the starter, I have good grounds "I DO NOT HAVE SIGNAL POWER TO STARTER" WHY?

There are several relays in the fuse/relay box but which one is the flash relay for the L & R signals

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BMW 840Ci Recalls

THE CRUISE CONTROL AND THROTTLE CABLES ARE ATTACHED TO THE SAME THROTTLE VALVE ACTUATING LEVER AT THE THROTTLE HOUSING. IT IS POSSIBLE THAT THE PLASTIC BUSHING ON EITHER CABLE COULD BREAK DUE TO ENVIRONMENTAL INFLUENCES COUPLED WITH VIBRATION. IF THE BUSHING BREAKS, THE OUTER CABLE HOUSING CAN ...THE REMOTE ACTIVATION DEVICE CAN CLOSE WINDOWS AND SUNROOF FROM A DISTANCE GREATER THAN THE MAXIMUM (6 METERS) PERMITTED BY FMVSS NO.118, "POWER OPERATED WINDOW SYSTEMS."

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