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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Should I buy a 2008 335i?



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      03-30-2020, 01:53 PM   #1
Mildbobby
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Should I buy a 2008 335i?

Odometer : 103.5k
The selling price is 3k because my friend recently got laid off, so i have really been thinking about it. It recently has 6 new spark plugs. HPFP has already been replaced. It is running an MHD stage 2 tune. All it really needs is a DME fix and new tires. The only thing that worries me is that it is running on stock turbos. How long do the turbos usually last on these cars?
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      03-30-2020, 02:03 PM   #2
nsjames
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can you afford to drop a thousand dollars on it at any moment?
will it be your daily driver or a toy?
can you wrench on it yourself?

while not "unreliable" it will require an investment in time and money regularly to remain reliable, and if you're paying people to work on it you will find the bills very expensive.
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      03-30-2020, 02:09 PM   #3
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^ that is all accurate.

That being said, I have a 2008 335i with 117k on the clock that is my "daily driver." Quotations because I have several cars, so I can afford for it to break down, or lay it up for extended maintenance at any given point in time. And I do all my own work.

I would say it depends on the circumstances, but the turbos are probably close to the end of their life. I replaced mine at 105k mainly due to wastegate rattle (they did not leak).
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      03-30-2020, 02:19 PM   #4
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For an n54 at over 100k miles you are looking at the following:

HPFP
Valve Cover Gasket
Water Pump
Oil Filter Housing Gasket
Belts, Pulleys, Tensioner
Injectors
Turbos
Trans Service

If the first 5 have not been done at all, I can guarantee you they are already leaking/failing or need to be replaced soon. Those are all very common wear items that need to be replaced regularly around the 80-100k mark.

The last 3 are really dependent on the car. People here have seen their injectors last 150k miles and some have seen them fail at 50k miles. The best thing to do would be run the VIN on a carfax and check for maintenance that was performed at the dealer under warranty. It could even have a turbo replacement somewhere in there.

As said above, if you aren't comfortable with getting into your car, throwing a code, and having to spend $1k at the drop of a hat...steer clear. Amazingly fun cars, though.
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      03-30-2020, 03:01 PM   #5
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Is it an automatic? If so, no.

If manual, yes. If you don’t want, pls send my way. Good price.
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      03-30-2020, 03:16 PM   #6
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Quote:
Originally Posted by Mildbobby View Post
Odometer : 103.5k
The selling price is 3k because my friend recently got laid off, so i have really been thinking about it. It recently has 6 new spark plugs. HPFP has already been replaced. It is running an MHD stage 2 tune. All it really needs is a DME fix and new tires. The only thing that worries me is that it is running on stock turbos. How long do the turbos usually last on these cars?
I say buy it, for 3k that's a great deal if it is running an driving. My 2008 335xi AT is at 120xxx and counting and I love it.
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      03-30-2020, 04:51 PM   #7
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Quote:
Originally Posted by nsjames View Post
can you afford to drop a thousand dollars on it at any moment?
will it be your daily driver or a toy?
can you wrench on it yourself?
This will be my DD, I have never really worked on a car, but I am willing to learn and do the stuff that seems simple enough to diy like waterpump and stuff.
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      03-30-2020, 04:53 PM   #8
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Quote:
Originally Posted by jwalker87 View Post
but the turbos are probably close to the end of their life. I replaced mine at 105k mainly due to wastegate rattle (they did not leak).
Did you DIY the turbo replacement or did you do it at a shop? if so how much $$$ was it?
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      03-30-2020, 04:59 PM   #9
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If you've never worked on cars this is not the car for you...... Sorry to say, unless you are very mechanically inclined, which it doesn't sound like. Indy's/dealers will kill you with their hourly rates
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      03-30-2020, 05:10 PM   #10
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Read the stickie at the top of the page, have a PPI and then decide whether it’s worth the investment.
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      03-30-2020, 05:18 PM   #11
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Quote:
Originally Posted by Mildbobby View Post
Did you DIY the turbo replacement or did you do it at a shop? if so how much $$$ was it?
DIY, and I used THESE slightly-upgraded-VTT ones. It was a big job, but not that bad. Slow, steady, and meticulous wins the race

Maybe I've just been working on cars so long now that I'm desensitized, but none of the stuff I've done to this car was rocket science. If you have the bentley manual (or newtis.info ...), the correct tools, and the time to learn how to do it right, nothing is that hard.

Other than installing the front crankshaft seal in my Z3M. That was a pain.
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      03-30-2020, 06:40 PM   #12
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Quote:
Originally Posted by IllSic_Design View Post
If you've never worked on cars this is not the car for you...... Sorry to say, unless you are very mechanically inclined, which it doesn't sound like. Indy's/dealers will kill you with their hourly rates
this.

if I were you and you wanted to own an E90 I'd be looking for an N52 powered one.


Quote:
Originally Posted by jwalker87 View Post
DIY, and I used THESE slightly-upgraded-VTT ones. It was a big job, but not that bad. Slow, steady, and meticulous wins the race

Maybe I've just been working on cars so long now that I'm desensitized, but none of the stuff I've done to this car was rocket science. If you have the bentley manual (or newtis.info ...), the correct tools, and the time to learn how to do it right, nothing is that hard.

Other than installing the front crankshaft seal in my Z3M. That was a pain.
while I would agree that this chassis is not difficult to work on, I believe that you and I have been doing DIY things for so long that these cars do not seemas bad as they would to the average n00b.
When I show the average person how to do things they are generally bewildered and can't grasp even the most basic of concepts

rule #1 in my garage if you want me to fix your shit is that you participate and learn something, because then you can do it yourself and not call me.

It will really open your eyes to the plight of the average not mechanically inclined person.

and there's a lot to be said for tips and tricks you've picked up in 20 years of turning wrenches. Sometimes what seems to be a very obvious solution to a problem for me is a completely foreign concept to my friends, because they simply don't know that they don't know.

and even if you do DIY, that set of turbskis is still $1200.
so we come full circle back to:
Can you afford to drop a thousand dollars at any given time on parts? Maybe even more than once in a month?

TL;DR
I wouldn't if I were OP and intended this to be a daily driver.
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      03-30-2020, 08:17 PM   #13
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How about this - buy it and park it. Also, buy an n52 e90 and learn to diy on that car. Rather, drive both cars and when 335i starts to malfunction, drive an n52 car and take your time fixing the 335i.
Objectively, I've been very amazed recently at the kind of value e90 335i represents. 3k even for an auto 335i with 100kmiled is an insane bargain compared to its much hyped up competitors like a b8 Audi s4, which, if breaks, will dent your wallet even more.
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      03-30-2020, 08:40 PM   #14
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Before you buy the car, please watch these videos:











If you are still ok with buying the car, PLEASE do a pre-purchase inspection. It's better to pay the 2-3 hours fee and know exactly what you're getting yourself into instead of uncovering stuff after you get the car.
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      03-30-2020, 08:45 PM   #15
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Yes LOL stock for stock it walked my freinds m3 when they both raced!
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      03-30-2020, 08:56 PM   #16
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Quote:
Originally Posted by 213e90n51 View Post
Yes LOL stock for stock it walked my freinds m3 when they both raced!
bullshit.
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      03-31-2020, 07:54 AM   #17
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Quote:
Originally Posted by Mildbobby View Post
Odometer : 103.5k
The selling price is 3k because my friend recently got laid off, so i have really been thinking about it. It recently has 6 new spark plugs. HPFP has already been replaced. It is running an MHD stage 2 tune. All it really needs is a DME fix and new tires. The only thing that worries me is that it is running on stock turbos. How long do the turbos usually last on these cars?
If he's really a friend I'd give him $4,500+ and then listen to all the great advice you've already received.
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      03-31-2020, 11:22 AM   #18
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Quote:
Originally Posted by 213e90n51 View Post
Yes LOL stock for stock it walked my freinds m3 when they both raced!
Did the m3 know it was a race?

A stock e9X 335i is slower than an e9X m3. Period.
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      03-31-2020, 12:17 PM   #19
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Quote:
Originally Posted by nsjames View Post
can you afford to drop a thousand dollars on it at any moment?
will it be your daily driver or a toy?
can you wrench on it yourself?

while not "unreliable" it will require an investment in time and money regularly to remain reliable, and if you're paying people to work on it you will find the bills very expensive.
Listen to this guy.....these things are fun cars, but not cheap. Common maintenance can get expensive, especially if you are not going the work on your own. I've put $3,000+ worth of parts into my 07' 335i since I got it 6 months ago (not all of that might have been maintenance )
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      03-31-2020, 02:10 PM   #20
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Offer 2500, then you can just dump it when shit breaks
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      03-31-2020, 02:19 PM   #21
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From what ive seen in other owners they dont regret it and love their 335i LOL. But they seem to bought it cuz it came with more factory premium trims and the duel exhaust LOL
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      03-31-2020, 02:33 PM   #22
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Quote:
Originally Posted by OnlyGerman View Post
Offer 2500, then you can just dump it when shit breaks
Bro for $3k its probably already broken lmao
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