How Hard Is It To Change The Timing Belt - BMW Forum -
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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#1 (permalink) Old 04-26-2005, 11:14 PM
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how hard is it to replace a timing belt on an 86 325es ? i help my budy chnage his on a 92 prelude so if you could let me know if i should or if i should take it in thanks guys
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#2 (permalink) Old 04-27-2005, 02:42 AM
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I could hook you up with a detailed guide, but that's either in German or Danish - guess that's not of much use to you

Getting a E30 325i this year!
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#3 (permalink) Old 04-27-2005, 10:54 AM
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try this link. I also have to replace the timing belt and am having a hard time finding the time between weather (I live in an apartment), work, and finances. This link has some excellent pics and tips. Hopefully I will not be cursed by adding a link from another BMW site.

Good luck
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#4 (permalink) Old 04-27-2005, 11:50 AM
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It can be accomplished, but I've seen literature on the subject and it can be frustrating. Depends how comfy you are working on the car. For me, it was a little much to take on as a first project, because you pretty much have to dismantle everything North of the engine block (in other words, the fan, distributor, radiator, hoses, etc) to have a decent enough working space to get at the belts. When timing the engine, you also must be very careful, because if a mistake is made, you pretty much destroy the valves with the pistons.

A good shop can do the job, all belts included, for under $400 (Canadian), so I went that route. Car runs much better (my belt was stretched, retarding the timing so much as to suck life out of my full-throttle onslaughts), and think about it, it beats the bill for a replacement engine.

<img src='' border='0' alt='user posted image' />
Changed the car's name, now it's - Roxanne -1985 325e
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#5 (permalink) Old 04-29-2005, 11:51 AM
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Just finished changing mine out.H2O pump as well.
Then , aux. fan switch,thermostat,fan clutch,radiator(got it tested at a
radiator shop , leaking bad) ,flush out, new antifreeze.

While your in there you might as well do every thing you can.

I also removed the hood,for the job.

Get a good manual and read and re read the timing belt
info. You can do it .but be extra careful !!!!
The tensioner has to be set just right (replace that too)

You jump one tooth while the engine is running and ... engine

Had the same problem with WX too ( no garage)

Hang in there. Let us know how the project goes.


<span style='font-family:Times'>1987 325 is
Mods: BFG Traction T/A's(more to come)
Runs like a hyiena on steroids....</span>
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#6 (permalink) Old 04-30-2005, 01:45 AM
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easiest timing belt i've ever changed.
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