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05-30-2017, 08:36 PM | #1 |
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High mileage Z4mCs ok to buy?
Would you consider a higher mileage (over 90k) Z4MC?
What issues are typical for a car this old for me to look out for? I know it depends on the maintenance, but I'd like to hear more thoughts. Thanks!
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05-31-2017, 03:37 AM | #2 | |
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Quote:
Problem is having no idea how previous owners maintained the car
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05-31-2017, 06:42 AM | #4 |
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I bought mine late last year with 90k. I love it. AriuSen's $5k comment was right on. As soon as I purchased it I did full suspension, and service 2 plus some extra tid bits. But working on it has been loads of fun......so far
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05-31-2017, 07:17 AM | #5 |
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I would buy it for the right price. Past rod bearings and Vanos I don't see the rest of the car being more or less reliable than any other 10 year old car. If for some reason both of these had been fixed it might actually be a better buy than the car with less mileage that might need it relatively soon. Too much of this depends on the actual car and how it was taken care of to make a blanket statement only based on mileage.
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05-31-2017, 09:13 AM | #6 |
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My 90k Z4 coupe was in horrible condition (not so much body, more so anything that is wearable). Needed new wheel bearings all around, all new brake components, all new suspension bushings, new shifter mechanism. All of these items seem to wear much quicker on these cars, or at least it did on mine. This doesn't include engine wear, which I'm not familiar with for N52s (nor S54s).
Agree with statement, have some extra cash on hand to get those items replaced.
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05-31-2017, 09:20 AM | #7 |
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As long as it's priced low enough to allow additional budgeting for maintenance (fluids, cooling, suspension/bushings, brakes and inspection 2 if not already done)
Problem is these cars are about 10 years old now so 90k isn't high mileage on a relative basis so finding anything "low mileage" will come at a premium. |
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05-31-2017, 10:29 PM | #8 |
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Agree with above. The S54 can certainly take 90K miles, but it needs appropriate regular maintenance including valve adjustments, etc. It is also difficult to know how the prior owner(s) drove it in terms of waiting for the oil temp to warm before redlining it, etc. IMO, a one-owner 90K Z4M coupe with all maintenance records is a world (universe?) apart from a 4-owner car without maintenance records. If this example leans towards the latter of these two extremes, the price needs to be low enough so that you can prophylactically change the rod bearings, etc., in addition to addressing all the things found on a standard PPI.
GL - these cars are worth it as they are like a time capsule for BMW M - manual only, normally aspirated, 8K redline, hydraulic steering, rear wheel drive, minimal electronic wizardry/safety nets...in short, everything you can't get any more!
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06-01-2017, 02:14 AM | #9 |
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nothing wrong with a high mileage M provided its not been abused... you will need to tackle some of the major maintenance items like Rod bearings/Vanos and Valve Clearances and maybe a few other wear and tear items on the suspension side and maybe Clutch too but if all that is done it will be tough as nails... Go for it, its an amazing machine...
Also to add, my brothers E46 M3 (same S54 engine as Z4M) has got 115000miles on it now and still runs like a dream... the Preventative maintenance was done within the last 30000miles (bearings/vanos seals and valve clearances as well as some suspension things like new Control arms and bushes) and its a pleasure to drive.. My Z4m is touching 70000miles now and running string as well but i've done the Rod bearings/vanos/valve clearances on mine as well..
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06-01-2017, 09:34 AM | #10 |
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Bought my 89k mile Z4MR for $16.5k back in Jan. It definitely needs work, but I don't mind as the car is super clean, and it's a long term project anyway.
It really depends on the price, and whether you are willing to DIY stuff or not.
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06-06-2017, 06:19 AM | #11 |
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One thing to keep in mind is that having the rod bearings replaced on the S54 isn't that much different in cost than replacing the timing belt on many newer vehicles, and a timing belt is *required* maintenance, where the rod bearings and vanos issues are a little more ambiguous (depends on use, some engines have no issues, etc). I feel like it wouldn't be as big of a deal if people just would "pretend" this stuff was in the maintenance schedule and just do it.
I will gladly defend myself by making this statement, but I believe every car (especially performance cars) has some sort of major maintenance item that is costly that needs to be dealt with. Some are horrifying (timing chain guides on the rear of audi V8s), some aren't so bad (rod bearings on S54), and some are considered normal maintenance (timing belt replacements). I've had my M coupe for about 5 years now (put on about 20k, including a few track days), and overall it's a fantastic car. By todays standards it's definitely not the fastest, but there's something unique about it that still makes it very thrilling to drive. Compared to todays vehicles and even of similar year, it's remarkably simple. The engine is a masterpiece, but that doesn't mean it's insides will last forever. Of anything that needs to be replaced inside the engine, rod bearings are about as simple as you could ask for.
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06-06-2017, 08:45 PM | #12 |
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My M Coupe is over 120,000, daily driver. Vanos was done under CPO waranty, so I don't know much about that--still learning the car back then. Rod bearings are simple--send your oil to Blackstone, and when the copper starts showing up you have worn through the lead layer and need to do the bearings. Letting the car warm up, even part way, has significantly reduced my lead wear.It was interesting to me that when the warranty ran out and I started working with a highly recommended indy shop, the guy there said he just treats them as ordinary maintenance and replaces them at 60K--kind of like Elwesso said above. So long as I am watching my Blackstone, I won't replace them until needed. One other issue that seems to show up a lot is motor mount bolts. Again, done through CPO early so I haven't read up a lot here, but I gather that the way to do them is to replace them with harder bolts.
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