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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 07-27-2011, 03:59 PM   #1
dmw16
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Constant Pressure Valve - $739?!?!?!

I bought a "new" 05 M3 from CarMax 2 weeks ago and took the car to a well recommended and highly regarded indy shop for a valve adjustment and alignment.

I got a call from the shop today that they found 2 things:

1. Rear trailing arm bushings are shot too badly to do the alignment. Frustrating but not shocking.

2. Constant Pressure Valve is leaking or seeping. I'm leaning towards seeping as I've seen no oil on the garage floor or anything.

The RTAB were quoted at $540 and the constant pressure valve at $739. I called carmax and read them the riot act (although shame on me for not doing a PPI before my return window closed).

But I went online and the RTAB swap seems straight forward. A pain and I get why it would be $500 @ a shop but doable for an at home DIY.

Then I went online to look at the constant pressure valve. It sounds like a pain in the butt, but again seems doable and the part is only $40. Am I missing something about the job? Why did they quote me so much? Does the 'book' time include pulling the header?
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Old 07-27-2011, 04:16 PM   #2
30seconds
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RTAB needs a special tool and is a pain.
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Old 07-27-2011, 04:18 PM   #3
SledgeHammer!
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Your indy shop is ripping you off. $739 is DEALER price for the CPV value. Indy shop pricing is ~$300 to $400. The valve itself is like $50. The rest is all labor. Your indy shop probably quoted you the "remove the header" price... you can swap the CPV valve without removing the header.
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Old 07-27-2011, 04:20 PM   #4
dmw16
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I don't really want to fight with the indy shop over it and really don't feel like screwing around with carmax.

I am leaning towards getting my car and doing the work myself. I know the RTAB job is a bit of a pain, but it might be worth it to have good aftermarket bushings and to not have to screw around with carmax. Because if I take it in and they say they aren't going to fix it I'm going to go into orbit.
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Old 07-27-2011, 04:39 PM   #5
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Originally Posted by dmw16 View Post
I don't really want to fight with the indy shop over it and really don't feel like screwing around with carmax.

I am leaning towards getting my car and doing the work myself. I know the RTAB job is a bit of a pain, but it might be worth it to have good aftermarket bushings and to not have to screw around with carmax. Because if I take it in and they say they aren't going to fix it I'm going to go into orbit.
Are you sure the TOTAL isnt the $700? The RTAB are a PITA and worth paying to have done, the CPV however is easy. Part is $40, shouldnt take ANYONE more than 1.5 hours. Just call the INDY and tell him if he can do it all for $729 you will do it.
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Old 07-27-2011, 04:43 PM   #6
dmw16
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Originally Posted by daschae View Post
Are you sure the TOTAL isnt the $700? The RTAB are a PITA and worth paying to have done, the CPV however is easy. Part is $40, shouldnt take ANYONE more than 1.5 hours. Just call the INDY and tell him if he can do it all for $729 you will do it.
He gave me a seperate quote for each job so I'm pretty sure he didn't mean total. Beyond that I'm thinking I should just do it myself to 1) learn the car 2) have satisfaction of a job well done and 3) not kill anyone at carmax.
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Old 07-27-2011, 04:48 PM   #7
daschae
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Originally Posted by dmw16 View Post
He gave me a seperate quote for each job so I'm pretty sure he didn't mean total. Beyond that I'm thinking I should just do it myself to 1) learn the car 2) have satisfaction of a job well done and 3) not kill anyone at carmax.
Id consider having him do the RTAB for that price..I had my first set done at the dealer and with an alignment paid about $800. The CPV is easy enough, on my first car I replaced the valve, on my current M3 I just took the o-ring off the "old" cpv and took it to the auto parts store to match up the o ring, got one a little smaller and 5k miles later its working great, o-ring was .32
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Old 07-27-2011, 05:06 PM   #8
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Id consider having him do the RTAB for that price..I had my first set done at the dealer and with an alignment paid about $800. The CPV is easy enough, on my first car I replaced the valve, on my current M3 I just took the o-ring off the "old" cpv and took it to the auto parts store to match up the o ring, got one a little smaller and 5k miles later its working great, o-ring was .32
Well I'd have to have carmax due it and only with OEM parts. I'd rather just install the rogue engineering ones and be done with it. Otherwise I'm going to be doing it again sometime.
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Old 07-27-2011, 05:21 PM   #9
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ask them for a price if the same parts were on a honda. i had my valve replaced by turner motorsports for $140 total and the rtabs were $440 approx. turner is a well known shop in my area.
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Old 07-27-2011, 05:23 PM   #10
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ask them for a price if the same parts were on a honda. i had my valve replaced by turner motorsports for $140 total and the rtabs were $440 approx. turner is a well known shop in my area.
I'm sure the ///M badge raises the price. For $250 out of pocket I bought new (non-OEM) RTAB's, the tool to press them out, and a new CPV.

I'll just do it myself and avoid the aggravation.
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Old 07-27-2011, 06:08 PM   #11
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Originally Posted by dmw16 View Post
I'm thinking I should just do it myself to 1) learn the car 2) have satisfaction of a job well done and 3) not kill anyone at carmax.
That's the way to go. I hate taking my car to a shop (and fortunate to have access to tools and have the time to do the work). Plus if you ever decide you want someone else to do it later you know exactly what the job involves.
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Old 07-27-2011, 06:31 PM   #12
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The shop is charging too much -- RTABs should take no longer than an hour. I've had them swapped in under an hour with standard tools. Find the hourly rate and book time for swapping components (RTABS should be around an hour or less.)

Last edited by mdsonicTT; 07-28-2011 at 02:53 AM.
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Old 07-27-2011, 09:36 PM   #13
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Lmfao impressive charged me like $50 to replace this.

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Old 07-28-2011, 02:54 PM   #14
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CPV is a pain without a lift but doable. Search DIYs for tips.
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Old 07-28-2011, 03:10 PM   #15
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CarMax is a rip off
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Old 01-22-2013, 07:19 PM   #16
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Same here as I just responded to another thread What is the "euro valve"? as I hadn't heard of the "Euro valve" (aka the CPV - Constant Pressure Valve).

Last edited by jaramill; 01-22-2013 at 07:20 PM.
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Old 01-24-2013, 09:41 PM   #17
fu98
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Originally Posted by 30seconds View Post
RTAB needs a special tool and is a pain.
you can get this tool , use it, then sell it back or rent it to people on the forum. the pain will be no worse than jacking the car up!

http://www.ebay.com/itm/MIS-BMW-E36-...70948379574%26
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Old 02-05-2013, 03:37 PM   #18
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I know this is an old post, but RTABS are like $18 each, and once I got the hang of it, it took me about 45 mins / side. The CPV valve just needs the oring replaced, which is about $3 shipped, and took me about 45 mins to replace as well. I borrowed the RTAB tool from a local enthusiast, and made the CPV tool from by bench grinder.

In short, all this can easily be done for less than $60 and about 3 hours of your time.
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