Author Topic: Finding trustworthy mechanics when you have an old but still sensitive car  (Read 7812 times)

Offline aquadorhj

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of course, i'm referring to my barely trusted steed, the blue M3 and the recent ordeal i had.


the main point of this post will be how it's difficult to find the trusted and capable mechanics when it comes to taking care of cars that have a super sensitive nature.


so, about 3 weeks ago, on my way to work, steering started shaking violently.
panicked, i dropped it off at V*** , a reputable BMW specialist.

they say, oh, front brakes are seizing, CPV is seeping oil, rear trailing arm bushing probably needs replacing soon. but otherwise it's in great shape.

so i order front calipers.  rebuilt ones on both fronts, install them myself, and bled.

go for test drive, steering still shaking.

take it to local very reputable H*** tire shop that has hunter roadforce balancing machine.  they tell me that i have a bit of a run out on one of the front wheels, but it seems the tires are out of rounds.  i ask them to mark the one that has issue.   they say the Roadforce machine is telling them that the tire/wheel combo cannot be roadforce balanced to within specs. (one side came to 13 which they say is excellent, the other side was 35...)
they don't charge me, because they couldn't do it.


then i take it to a local indie wheel repair place that does most of the work for mobile wheel repairs guys.
he puts it on wheel machine thingy and spins it. 
he tells me that there is a very minor lateral runout on the wheel, but it's too minor to worry about and it doesn't need to be fixed, but the tire has more runout.
this guy doesn't charge me either.

so, i take it to canadian tire, where i bought the tire from, with extra warranty to boot, and tell them what happened and that i would appreciate a new tire.

they try their best to make me a liar.    ask to see my receipts from the places where i took them rims to.  i would love to, but nobody charged me and there are no receipts. 
i tell them, my tire has less than 4000 km on them, less than a year old, why would i try to scam 1 tire?  still get treated like scum.  they call the H*** place to verify my story, but treating me like scum doesn't stop.

they put that rim/tire combo on their Hunter 9600 machine (not roadforce) and tell me it's perfectly balanced.
i see the vertical runout of about 1.5 mm though, but they are adamant that it's normal.

ask me to bring in the car, so i did the next day, and they tell me after 2 test drives and long time on hoist trying to find a fault in suspension that they could blame the shake on instead of tire, they balance the other side saying it was 3 oz off.    WTF?

now it's shaking a bit less but it's still present.  but the mechanic tells me it's perfectly normal.   i keep telling them it's not normal but they are convinced it's normal.....

well, i guess I'll have to take it to another roadforce specialist, see what's up.



then, i had another local reputable shop, N*** , do the rear bushing, shifter kit and CPV.
very well done.    but they told me my rear strut mount is done..  (replaced them a year 1/2 ago).  maybe it is little damaged, and it's cheap, so i inspect it when i get home.     still looks new.  hmm?

let's suppose i am a clueless consumer.

Who the hell can you trust with your car?   

Driving thrills makes my wallet lighter.. and therefore makes me faster because i'm shedding weight... :D

Offline HeliDriver

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Well, that sucks.  :(

We used to have a great indie guy here in town. Really nice guy, great mechanic, and 110% honest. But even he wasn't infallible.

I took the Civic to him once for a bunch of routine maintenance. The Honda transmissions are apparently pretty finicky about fluids, so I bought a few liters of Honda MTF and put them in car for him to use. I get the car back and find the shifting is really balky and notchy. WTF? Then I see the unused jugs of Honda MTF still in the back seat.

So I go back to politely complain. He's super nice about it, but basically laughs at me for wanting that cheap Honda MTF in there. He says he filled it with the same expensive Euro synthetic (Motul? Pentosyn?) that he uses on all the high end cars he gets in the shop ("If it's good enough for Porsche and Audi, it's sure good enough for a Honda!"). He says he test drove the car and it shifts fine, but if I really wanted to, he'd put the Honda stuff in for me.

It wasn't worth the hassle of leaving it with him again, so I just did the change myself. Car shifted like butter with the Honda stuff in there!

Anyway, point of my story is that even a good mechanic will probably not know your car as well as you do. Maybe if you find someone who specializes in just your brand, but not sure if there's anyone like that in a smaller city like Calgary? Still, if you want stuff done right, probably no way to ensure that other than by doing it yourself.

Also, probably not a great idea to be buying tires for an M3 at CT. I'm sure CT is fine if you've got a minivan and aren't too fussy, but with your car you are right to be fussy. :)

H*** sells tires also. Yes, they're expensive compared to CT, but I bet you wouldn't have had the hassles after the fact.


Offline Cord

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Seems odd that a sudden violent shaking would be caused by a balance issue. Unless a big chunk flew off the tire.
"If we can just believe something then we don't have to really think for ourselves, do we?" Paul Haggis

Offline PJungnitsch

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Or something internally screwed up in the tire. I've had one fail inside, not that visible to see.

Sometimes with these problems you have to just systematically research, work through and keep fixing/replacing until you get it. Not all good mechanics are good diagnosticians, or have the time to tinker through oddball problems.

We had an engine that kept blowing pistons, replaced them ourselves a couple times, then said to hell with it and took it to a professional shop that did the whole engine.

Blew again. WTF!

Turned out one head was a higher compression part that overheated that bank of the V8, and what took the most punishment was the back cylinder that ran the hottest.


Offline Blueprint

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Lost wheel weight, broken belt within tire - both happened to me in the past.

Novel idea: take it to a BMW dealership. Yes, you will need to mortgage your house, but if THESE guys don't know the car, who will?
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Offline johngenx

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Even dealerships can be hit and miss.  You just end up spending even more money and it's not done properly.  This might change in Alberta as shops might be able to hire good techs again.

Offline Fobroader

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I don't know if the dealer would be much better......  :-\
Lighten up Francis.....

Offline tenpenny

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Wouldn't it make sense to swap the tires around and see if the shaking changed?


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Offline blur911

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Wouldn't it make sense to swap the tires around and see if the shaking changed?



Different sizes front to rear.
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Online rrocket

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I feel your pain.  It's even worse with a Porsche.  Nobody in town would touch my car for a 4 wheel alignment.  So I have to go to a Porsche dealer in the USA on Monday.

http://www.kijiji.ca/v-auto-repair-maintenance/windsor-area-on/local-windsor-bmw-audi-mercedes-and-all-domestic-automotive-shop/486228053

Apparently, we have a local guy who's a BMW guru and is very highly spoken about.  Certainly there has to be a guy out your way like that?  BMWs aren't THAT rare out your way, are they?
« Last Edit: July 30, 2015, 05:29:33 pm by rrocket »
How fast is my 911?  Supras sh*t on on me all the time...in reverse..with blown turbos  :( ...

Offline tenpenny

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Wouldn't it make sense to swap the tires around and see if the shaking changed?



Different sizes front to rear.

swap left to right for a short test, yes, I know you don't do it long term, but if you do this for 10 or 15 km, and the shaking changes somehow, it's the tire/wheel, if no change, it's likely something else.


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Online rrocket

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Wouldn't it make sense to swap the tires around and see if the shaking changed?



Different sizes front to rear.

swap left to right for a short test, yes, I know you don't do it long term, but if you do this for 10 or 15 km, and the shaking changes somehow, it's the tire/wheel, if no change, it's likely something else.


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Won't work if tires are directional.

Offline blur911

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Wouldn't it make sense to swap the tires around and see if the shaking changed?



Different sizes front to rear.

swap left to right for a short test, yes, I know you don't do it long term, but if you do this for 10 or 15 km, and the shaking changes somehow, it's the tire/wheel, if no change, it's likely something else.


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Won't work if tires are directional.

I just think if a tire on the front is shaking, it's still going to be on the front and shaking, I can't tell which side it's coming from.

Offline tenpenny

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Wouldn't it make sense to swap the tires around and see if the shaking changed?



Different sizes front to rear.

swap left to right for a short test, yes, I know you don't do it long term, but if you do this for 10 or 15 km, and the shaking changes somehow, it's the tire/wheel, if no change, it's likely something else.


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Won't work if tires are directional.

For 10 km, it won't matter.


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