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E34 (1989 - 1995)

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Old 01-15-2013, 09:38 AM
Larrick Larrick is offline
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Location: Berkeley California
Join Date: Sep 2009
Posts: 1,140
Mein Auto: 1994 525it
Embracing Preventative maintenance

I have finally come to the conclusion that as BMW owner (or in my case, my son's mechanic), one cannot take comfort in the old adage...."If it ain't broke, don't fix it".
I am sure that here is a thread somewhere that describes the important items to check regularly before they become a problem. Fluids being the most obvious.
In the past two years the car has had a new starter, fuel pump, water pump, thermostat and housing, fan clutch, radiator hoses, new belts, New thrust arm bearings, Alignment, tires and brakes (of course) New plugs, regular oil changes, replaced power steering hoses and repaired and replaced many non-engine related parts.
The valve gasket cover is next on the list but I also want to check the automatic transmission. A new, or rebuilt transmission was supposedly put in the car a few years before we bought it, which was three years ago. We only had a verbal on that fact but there was no reason for this person to lie.
I understand that all 1994 525i had the same GM transmissions (Mine is a touring model) There is no dip stick and the fluid must be checked through the filler plug.
Any hints or insights on transmission maintenance or any other preventative maintenance "must do" will be appreciated.
After thinking She was possible dead and then to have her back better than ever (the fix being a loose spark plug), we want to keep her healthy and happy for a long life.
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Old 01-15-2013, 09:54 AM
BMR_LVR's Avatar
BMR_LVR BMR_LVR is online now
Humble E34 lover
Location: Asheboro, NC
Join Date: Dec 2008
Posts: 5,465
Mein Auto: 1992 525i
Agree that preventative maintenance is key. Especially the coolant system. It should be completely overhauled every 75-100K miles.

Front suspension should be done every 100K miles.

The transmission should be serviced (drain fluid, new filter, refill fluid) every 30K miles. I do mine at 25K for a little extra security.

These cars are around 20 years old. A well taken care of E34 will yield many years of pleasurable driving
Most problems are usually something simple !

Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.

Calypso Red 1992 525i with 225K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold

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