BMW 840Ci Repair and Maintenance

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

BMW 840Ci Problems

Engine Oil Leaks

Engine oil leaks commonly develop from both valve cover gaskets, intake manifold, and PCV plate after about 60,000 miles.

Loss of Power Steering Fluid Due to Leaking Hoses

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.

Mushy Road Feel and/or Shuddering in the Steering Over Bumbs

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.

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BMW 840Ci Questions

Check engine light came on? (1 answer)

Runs very rough when started but runs fine once you get up to 3000 Rpm's?

What causes the car to overheat even when water is added (2 answers)

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.

I did a swap on the Trans. and now "NO START" not even a little bit...? HELP>>!. (1 answer)

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?

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BMW 840Ci Recalls

Recall 97V131000
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 ...
Recall 94V017000
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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