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Discussion Starter #1 (Edited)
Hey guys,

I just wanted to see what your thoughts were on buying a used modded E39 M5 vs used. I searched the threads, though admittedly not for hours, I couldn't find anything substantial. Nothing crazy or anything like that. Just a exhaust, headers, intake or something around those lines. I know I might not get to choose my specific combination, but I think I'll be okay with that. Is there any specific reason that I should shy away from buying a modded one vs. a stock one?

Thanks in advance.
 

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I would look more at the service and maintainance history then if it is modded or stock. Someone could have a stock one for sale, but did a poor job maintaining it...on the other hand, a modded one could have been taken care of by an M enthusiast. It all depends on how the car was taking care of and the condition. I would not shy away from a modded one.
 

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I would look more at the service and maintainance history then if it is modded or stock. Someone could have a stock one for sale, but did a poor job maintaining it...on the other hand, a modded one could have been taken care of by an M enthusiast. It all depends on how the car was taking care of and the condition. I would not shy away from a modded one.
+1
 

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Discussion Starter #4
I would look more at the service and maintainance history then if it is modded or stock. Someone could have a stock one for sale, but did a poor job maintaining it...on the other hand, a modded one could have been taken care of by an M enthusiast. It all depends on how the car was taking care of and the condition. I would not shy away from a modded one.
Ah thanks for the advice. I'll definitely make note of that. If looking into modded cars, are there certain brands or items to avoid? I heard there are some chips that prevents you from passing state inspections and stuff like that...
 

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I am partial to Dinan (many are not), but if your plan is eventually to march towards an S2, why not have a car that was modded with someone else's dollars? I would argue that an enthusiast with a tastefully modded car may have taken better care than one that has had no modifications and have just followed BMW's guidelines. I drive my car hard, but there isn't a car buff that I know that would have any issue buying a car from me if they know how I take care of my vehicles. So as others have said, maintenance history is the real differentiator-- KH
 

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Discussion Starter #6
I am partial to Dinan (many are not), but if your plan is eventually to march towards an S2, why not have a car that was modded with someone else's dollars? I would argue that an enthusiast with a tastefully modded car may have taken better care than one that has had no modifications and have just followed BMW's guidelines. I drive my car hard, but there isn't a car buff that I know that would have any issue buying a car from me if they know how I take care of my vehicles. So as others have said, maintenance history is the real differentiator-- KH
Yeah, it seems that most folks have Dinan parts installed. I probably won't be doing much other than a SSK if anything. One thing that I realized is that you can keep adding and modding a car but eventually, it won't rock your world like the first drive. That's why I've decided on the M5. I know that you can't be going that much faster without spending Ferrari dollars... and knowing that, I'll know that the car is plenty fast enough despite what I feel might be a 'slow' car. Perhaps others may disagree... any thoughts?

I've been an Audi guy until I decided that I wanted the low-end torque that is immediately available. I've owned a Stage 2 Audi S4 (B5) and was quickly bored with the performance. My immediate thought was to go Stage 3 and call it a day but, instead I'm on enemy territory looking to buy a E39 M5. Unlike the S4, the M5 will cost too much for me to be tinkering too much with from the stock form. Thus if someone has already invested in the car and modded it for me, that would be a big plus for me. I just worry that people with mods tend to drive the crap out of their cars and might be a painful to own and maintain as a secondary owner.

Thanks for all the input thus far guys.
 

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Discussion Starter #7
La-Sean

Hey, I'm a n00b to this forum and unfortunately I cannot send PM. If you can PM me your email address and I'll be in touch.

Thanks.
 

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Most of the stuff you listed is pretty benign.

If you buy a car with headers, you should find out what brand they are, when they were installed and by whom. There have been a few members here that have had aftermarket headers crack and it's a lot of work to change them out on the S62 motor.

If the car has software, find out if the rev limiter has been raised (potential issue for rod bearings the motor has spent any amount of time at the increased rev limiter).

I bought my car with Supersprint headers, AA air intake, pulleys, Dinan swaybar, coilovers, etc. and with a clean PPI and talking to the owner for a few hours, I was 100% comfortable with with it.
 

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Hey guys,

I just wanted to see what your thoughts were on buying a used modded E39 M5 vs used. I searched the threads, though admittedly not for hours, I couldn't find anything substantial. Nothing crazy or anything like that. Just a exhaust, headers, intake or something around those lines. I know I might not get to choose my specific combination, but I think I'll be okay with that. Is there any specific reason that I should shy away from buying a modded one vs. a stock one?

Thanks in advance.
I was going to keep my car but might want to still sell. I am just replacing cns flywheel with factory w hd sachs clutch and getting another diff 3.45 taking out 3.91 quaife unit little to high pm me if interested i bought car 6 years ago from calgary bmw
has great parts.
CNS FLYWHEEL/CLUTCH(3500 INSTALLED), GROUND CONTROL COILOVERS(3000 INSTALLED),LASER JAMMER, AA RAM AIR (1200 INSTALLED)ZIONNSVILE RAD W FAN (1200)
BBS LM BLACK 19" WHEELS 100KMS ON THEM(8000 RETAIL). fACTORY WHEELS WITH MICHELIN PS 90 TREAD LEFT, SCHRICK CAMS(5500INSTALLED), POWER CHIP CUSTOM TUNE JUST DONE (1200), ROGUE UNDER DRIVE PULLEYS (1000 INSTALLED)
3.91 GEARS W QUAIFE POSI (5500 INSTALLED) ROGUE SHORT SHIFTER, supersprint headers center pipe and mufflers (10000 installed) NEW AIR FLOW METERS (BMW) NAVIGATION,BMW MOTOROLA
FACTORY PHONE(3000) ESCORT LASER JAMMER (600)INSTALLED
BLACK LEATER INETRIOR CLEAN, BOUGHT FROM CALGARY BMW 6 YEARS AGO..JUST HAD BMW INSPECTION RERADY TO GO..FAMILY SEDAN WITH A KICK SAVE THE 65000 I HAVE INVESTED + 65000 I PAID FOR CAR...CALL DAVE 403-312-2483
WITH or without BBS WHEELS AND TIRES .W FACTORY RIMS AND TIRES
Either calgary bmw or tunerworks in Calgary know the car
 

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I bought mine lightly modded: Dinan Stage II suspension (shocks/springs/F&R adjustable sways), Borla Exhaust, and Autosolutions SSK. All of which were done by the first owner, an enthusiast (Eric Fontana - designer of the StealthOne V1 display).

In my opinion, it was just icing on the cake really and I was happy I didn't have spend my coin on those items. The car has all of its service records since new and is in great shape for the miles (currently 95K) and the price I paid. Records and condition (both cosmetic & mechical) far outweigh whether or not a car has been (tastefully) modded or not. Most mods can be removed or reversed.

The only reason I'd want a car completely stock is if it was RARE or had extremely LOW MILES and in otherwise museum quality condition.
 

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Discussion Starter #11
I bought mine lightly modded: Dinan Stage II suspension (shocks/springs/F&R adjustable sways), Borla Exhaust, and Autosolutions SSK. All of which were done by the first owner, an enthusiast (Eric Fontana - designer of the StealthOne V1 display).

In my opinion, it was just icing on the cake really and I was happy I didn't have spend my coin on those items. The car has all of its service records since new and is in great shape for the miles (currently 95K) and the price I paid. Records and condition (both cosmetic & mechical) far outweigh whether or not a car has been (tastefully) modded or not. Most mods can be removed or reversed.

The only reason I'd want a car completely stock is if it was RARE or had extremely LOW MILES and in otherwise museum quality condition.
Cool. Thanks for the response. That's what I was hoping to hear!
 
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