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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 10-03-2014, 12:17 AM   #1
Asher454
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Join Date: Aug 2012
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My Ride: '04 TiAg 325xi
Key things to look for on a zhp when buying

I am looking at a fairly nice ZHP with 122k miles with a good amount of upgrades, looks very well taken car of with tasteful mods. Also, has all stock parts. I'm concerned about how he used it on a few track events. Subframe issues? anything else I should look for specifically? The dude is a mechanic, should I get a PPI elsewhere?
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Old 10-03-2014, 02:22 AM   #2
Kar Laeda
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Join Date: Dec 2012
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My Ride: 2004 330ci ZHP
Get a PPI at an indy shop or dealer, just like any other car.

My zhp was autocrossed almost every weekend, no issues with subframe, but should still be checked. Again, PPI should point it out. You can always ask them to specifically look at it.

At 122k you will likely do the usual 2-3k on top in deferred maintenance, unless the guy has records to prove it was done.

ZHP specific item would be to check if Vanos seals were rebuilt.
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Old 10-03-2014, 10:01 AM   #3
rsyed07
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Quote:
Originally Posted by Kar Laeda View Post
Get a PPI at an indy shop or dealer, just like any other car.

My zhp was autocrossed almost every weekend, no issues with subframe, but should still be checked. Again, PPI should point it out. You can always ask them to specifically look at it.

At 122k you will likely do the usual 2-3k on top in deferred maintenance, unless the guy has records to prove it was done.

ZHP specific item would be to check if Vanos seals were rebuilt.
VANOS seals should be checked throughout all models of the E46. It was not ZHP specific.
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Old 10-03-2014, 06:28 PM   #4
seattle330
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The ZHP-specific VANOS issue is the rattle, check to see that at 2800 RPM, or just buy the kit anyway if you do the seals.
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Old 10-03-2014, 06:32 PM   #5
Megalocnus
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Originally Posted by seattle330 View Post
The ZHP-specific VANOS issue is the rattle, check to see that at 2800 RPM, or just buy the kit anyway if you do the seals.
It's not specific, but is thought to occur more often on ZHPs.
Mine doesn't have it at all, so I just replaced the seals, didn't open the pistons.
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Old 10-03-2014, 06:34 PM   #6
liam821
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My Ride: e60 M5 6MT & e46 ZHP
Having a look at the front suspension bushings (the wheel shouldn't move around front to back when you push on it).
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