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View Full Version : '89 525i M20 broken timing belt (PICS)


Bruno
03-15-2005, 11:34 PM
Customer with a broken timing belt, see pictures below, the piston #3 hits the exhaust valve pretty bad, bending it (along with two other ones).

With the impact the cylinder head got damaged.

http://www.bmwe34.net/ebay/head1.jpg
http://www.bmwe34.net/ebay/head5.jpg
http://www.bmwe34.net/ebay/head3.jpg
http://www.bmwe34.net/ebay/head4.jpg
http://www.bmwe34.net/ebay/head2.jpg

Can you tell the oil change wasn't done frequently, the cam is very worn also.

So check you timing belts if you have a M20 engine.

ZiMMie
03-15-2005, 11:56 PM
Holley shit.i bet u he drove a jap crap for years before he/she started drivin a bimmer.

Eurostyle
03-16-2005, 01:40 AM
This is not that bad! I had an M20 (eta) with a broken belt once...where the valve was broken OFF the stem...and the rest were bent...with sevear head and piston damage... :(

So to all M20 owners: get your belts done on time! :idea:

SpoolinS6
03-16-2005, 01:56 AM
bruno u didnt get back to me on my pm man :(

ara325
03-16-2005, 12:29 PM
I guess that's the reason they say to change it at every 80,000 kms.

Bruno
03-16-2005, 12:43 PM
bruno u didnt get back to me on my pm man :(

Sorry I have been so busy doing headgaskets on 535i, timing chain on 318i M42 and now this timing belt on the 525i...

I will look into what is available for the Audi.

T.Dot_E30
03-16-2005, 02:03 PM
Any idea how many kms were on it when it broke?
When I did mine the old one looked like it was starting to tear apart, I got to it in time.

thinair
03-16-2005, 04:16 PM
How hard is it to do by the way?? How much $$ in parts is it??

ara325
03-16-2005, 04:19 PM
How hard is it to do by the way?? How much $$ in parts is it??

Apparently it's a bit of work, and it's usually suggested that since you're there, you may as well change the water-pump...depends on your capability...for me, it's straight to the mechanic for that.

thinair
03-16-2005, 04:23 PM
Apparently it's a bit of work, and it's usually suggested that since you're there, you may as well change the water-pump...depends on your capability...for me, it's straight to the mechanic for that.

I don't mind the work, I mind the price of parts :P

Bruno
03-16-2005, 04:25 PM
Waterpump, thermostat, seals, thermostat housing because it is cracked, distributor cap and rotor, headgasket set + bolts, all the belts, air filter, oil filter, spark plugs, timing belt kit, coolant (BMW) and oil around 760 of parts tax included.

Then you have the used cylinder head cost and the cost to check it out by a reputable shop.

If it was a simple timing belt it would have been 3 hours labour and the timing belt kit: 52.50 Cdn and some coolant (then waterpump, belts...)

1BADRIDE
03-16-2005, 07:58 PM
M20 timing belt parts & labour incl. @ Town & Country BMW on Kennedy just south of Hwy 7 = $287.00 + taxes.

CHEAP!

85eta
03-16-2005, 10:57 PM
How hard is it to do by the way?? How much $$ in parts is it??

Hey Nelsen, if you know what you are doing it isn't that bad, and for all of the parts including the water pump, it's under $100.

thinair
03-16-2005, 11:03 PM
That is exactly what I want to hear. *th-up* I guess I'll do it just for piece of mind, the previous own put 90k on it and never changed it.

lvan
03-17-2005, 07:00 PM
That kind of a job needs to be done stircky by BMW dealer....No bull sh_it ,I learnd it hard way.....That's if you care for your car and it's worth some cash.


Bruno: I thik I saw your old 535i @ Bieri auto....It's advertised as euro 535 with wide grill...Never saw an 535i with wide grill in Canada.

T.Dot_E30
03-17-2005, 07:53 PM
That kind of a job needs to be done stircky by BMW dealer....No bull sh_it ,I learnd it hard way.....That's if you care for your car and it's worth some cash.


BS, I did mine. You just gotta know what ur doing, you dont just take off and put on, u gotta line shit up or u screw up the timing.
How did you screw up? Try learning from ur mistakes, and u'll get it right, instead of giving up.
Strictly BMW dealer? there are plenty of shops capable of doing a timing belt change on an m20.

eh! Try Again.

Bruno
03-17-2005, 08:07 PM
That kind of a job needs to be done stircky by BMW dealer....No bull sh_it ,I learnd it hard way.....That's if you care for your car and it's worth some cash.


Bruno: I thik I saw your old 535i @ Bieri auto....It's advertised as euro 535 with wide grill...Never saw an 535i with wide grill in Canada.

My 535i had only 3 lights and one black grill instead of a high beam on the left.

The timing belt, yes, you need yo know what you are doing, but that doesn't mean that you have to bring the car to the dealership. The only thing I do at the dealership is buy coolant.

Guelphguy
03-18-2005, 11:47 PM
535i, no timimg belt....phew.....

Keeping busy Bruno?? That's good...got to help the people in need first!!