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Old 09-06-2008, 08:48 PM   #1
Bobbak
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Default I'VE HAD IT!!!!

i was coming back from the cars and coffee meet and me and the socal guys and girl were planning to go drive around but my car still has this accelaration problem and for the past 8 monthes i have been attempting to fix it

so here it is do I swap my motor for a m50 325I motor

or do i just keep my m42 and keep trying to fix it

if i take the swap route will i have to change my suspension?

comments appreciated
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Old 09-06-2008, 08:55 PM   #2
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Yeah, I would imagine you would have to get different front suspension. I have read that the front suspension from a 2.8L Z3 works.
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Old 09-06-2008, 08:56 PM   #3
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I do believe you will need to swap out your front suspension at the very least.
Brakes will be fine.
You might want to compare struts and springs on realoem.
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Old 09-06-2008, 11:20 PM   #4
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Suspension? Really? The M50 weighs less than 100 lbs more than the M42/44. A good idea? Yeah. A necessity? Probably not. 325 brakes, on the other hand, should be installed.
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Old 09-06-2008, 11:59 PM   #5
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It sounds like you are itching to do a swap.

I suppose if the old motor is losing compression it would be worth it.

Anything less than that, I would keep trying to fix the old one.
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Old 09-07-2008, 12:20 AM   #6
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Quote:
Originally Posted by Bobbak View Post
or do i just keep my m42 and keep trying to fix it
What have you done to try and fix it? Have you been able to isolate the problem?
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Old 09-07-2008, 12:40 AM   #7
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What have you done to try and fix it? Have you been able to isolate the problem?


fixed all the oil leaks on the oil pan and the oil pump, changed the knock sensors and it has a new water pump, radiator, and spark plugs.




one question guys in your opinion do you think an m50 motor is more reliable then the m42?
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Old 09-07-2008, 12:42 AM   #8
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Suspension? Really? The M50 weighs less than 100 lbs more than the M42/44. A good idea? Yeah. A necessity? Probably not. 325 brakes, on the other hand, should be installed.

i allready have 325i breaks they work great
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Old 09-07-2008, 12:47 AM   #9
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i allready have 325i breaks they work great
BRAKES!!!!!!!
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Old 09-07-2008, 12:51 AM   #10
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BRAKES!!!!!!!

lol sorry i just woke up steve

i went to sleep at 2 am last night and i woke up at 5 for the cars and coffee meet. after i got home i was dead tired till i woke up now, and i dont even have my glasses on
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Old 09-07-2008, 02:18 AM   #11
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fixed all the oil leaks on the oil pan and the oil pump, changed the knock sensors and it has a new water pump, radiator, and spark plugs.




one question guys in your opinion do you think an m50 motor is more reliable then the m42?
The M50 motor is probably the same as the m42 motor. The difference is in the accessories. I would say the m42 motor has less problems with things like water pumps, oil pumps, and cooling system parts. They are both still pretty reliable once you understand what the normal maintenance items include.
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Old 09-07-2008, 05:24 AM   #12
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put the proper springs in there... i promise you your car will no longer handle half as well as it does now.

im still running the 4cyl springs cause i can't justify the money right now, but you definitly can't have fun in the corners like before, especially with the 5's on there.
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Old 09-07-2008, 05:41 AM   #13
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put the proper springs in there... i promise you your car will no longer handle half as well as it does now.

im still running the 4cyl springs cause i can't justify the money right now, but you definitly can't have fun in the corners like before, especially with the 5's on there.
so if i was to do a swap would there be any way to swap in the right parts to have 50/50 weight distribution?
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Bilsteins w/ H&R Sport, Depos w/ angeleyes and HID 5K, 50% short throw kit, Custom fogged intake, AC schnitzer pedels w/ deadpedels, leather stickshift knob, vitesse tuning Ebreak boot w/ shift boot, X-Brace, 325/328 brake upgrade, Gray millpoint leather and cloth interior, custom computer multimedia system, and Style 5 BBS 17" rims, M3 Mirrors, CF Hood









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Old 09-07-2008, 06:18 AM   #14
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Quote:
Originally Posted by Bobbak View Post
so if i was to do a swap would there be any way to swap in the right parts to have 50/50 weight distribution?
Bobby Bobby Bobby, read up on it would ya. There's dozens of swap threads out there. Seems like almost everyday there's a new one. I know I've mentioned atleast 10 times, move the battery to the back and buy a carbon hood. Done. The m50/s50 weighs about 80lbs more than the m42/m44, shift 40lbs to the back and you're even again. I'm gonna stop answering questions until the person has a motor on hand and is ready to do the swap because until then, it's just talk and there's plenty of that already.
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Old 09-07-2008, 06:55 AM   #15
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thanks Jess, for repeating your self numerous times about the same question

hows the swap coming along BTW?
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