Engine rebuild? - BMW M5 Forum and M6 Forums
E28 M5 Discussion 1984-1988

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post #1 of 2 Old 1st February 2003, 10:47 PM Thread Starter
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Engine rebuild?

Anyone have experience with Korman or Metric Mechanic for a rebuilt engine?
At 177K+ the time will come sometime sooner than later, and I would like to know where the best place is to go.

Speaking with Metric Mechanic, they have a new rally cam for the M5 engine which will be quite a bit stronger than their 350hp upgrade rebuild. 375-400 and quite drivable on the street. Sounds nice. Are the HP claims accurate in the adds for both builders? As this is a real big investment, any help here will be greatly apreciated.

88' M5
1972 Flexable flyer
1959 Wards snow blower
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post #2 of 2 Old 14th February 2003, 09:27 PM
john lucas
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Thumbs down Metric Mechanic

I had the pleasure of purchasing a MM 3.5 Hiflow years ago for my Bavaria
It has been a bullet proof motor - over 100k miles and it still pulls strong - might be quicker then my M but unsure if Wife is giving it all - ( I win in either... LOL ) This is how my marrage works...

In short - Everthing that I have experinced with MM or have heard others say has been first class - My mechanic has had numerous conversations with MM and holds their views in the highest of regards -

I look to MM as a performance Mecca for modified BMW's - They are my choice for upgrades ( on older BMWs they are unequalled)
My conversations on topics from transmission rebuilds to rear end upgrades have always been straight and level - Even when what they told me was not what I wanted to hear - You know: after you sink money in a repair and they tell you that it would have resulted in a stronger, better repair if you had done it another way - (Note: this refers to my investigating the rebuilt tranny on my M5 - It was erronously reported to me that MM did it - MM told me that they didn't rebuildt M5 trannys anymore and would have sent an improved version of an older 5 speed that was better and less expensive)- I bought the car anyway, live with the slight gear whine in 5th gear ( turn up Radio ) and enjoy ! If the tranny ends up with a short life, MM will be the source of its replacement.

In short - If my mechanic can't do it and I want it to last its MM
- note that my mechanic makes use of MM for parts and advice so to me he is my local MM rep. -

I regret not knowing the other firm you inquired about so I can not give you an apples to apples comparision - Once I find a company that promises and deliveries - stands behind its products
and treats its customers like old friends years after a purchase, I am not straying far from the tree

1st gear .. you go faster.. Faster
2nd gear .. etc.

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