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2nd October 2010, 09:29 | #41 |
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MG ZT CDTI +135 Join Date: Feb 2010
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I`ve just received an 032 sensor from WCP this morning, unfortunately to then see this thread, before i call them and demand they reimburse me was this something they are willing to do and did they reimburse return postage?
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2nd October 2010, 09:52 | #42 | |
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Quote:
I buy in quantity so will pay less than their one-off price. (I hope!) They stock Pierburgh and Bosch parts. It doesn't surprise me that Bosch won't give anything away, although any organisation wanting to copy their sensors need only buy one and then they can determine the calibration for themselves. However they ought to have at least stated that the 029 and 032 are, or are not, interchangeable. The plug retaining mechanism differs though the shape is the same, and its highly unlikely a sensor for a VAG engine will be correct, especially as not even a BMW maf is suitable for the 75/ZT/TD4. As for contamination, Pierburgh will void the warranty on any sensor showing signs of this and Bosch will probably do the same and it will also be used by less scrupulous companies to avoid all warranty claims. It seems it is indeed a common problem, especially on high mileage engines where crankcase fumes have increased due to bore & piston ring wear. I note that K&N do not now preoil their air filters - after spending years denying the oiling caused any issues... Then there's the contamination from a dirty airflter. Ron
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2nd October 2010, 12:20 | #43 |
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Rover 75 Tourer Join Date: Jun 2009
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Thanks for this info Ron. I was trying to get a Pierburg MAF from the local Merc garage, but I will pop to GSF instead.
Going to pop to BMW and pick up a PCV too. |
2nd October 2010, 12:40 | #44 |
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As Bosch seemed to indicate the pcv might be an issue regarding contamination of the maf, would it be better to have the original 'toilet roll' filter or the newer filterless one?
Bosch also said to me that the specification is to 4 digits whatever that means. With regard the 032 and 029. From reading through loads of mainly bmw threads, they is general concensus that the 032 is a very good match for the 029 and most fit one, and performance is the same. But I understand our mapping will be quite different. I think the important questions would be, would the 032 be a much nearer match than the pierburg, which needs additional compensation to work in our car? If the 032 runs approx 4% richer, then after some contamination which will eventually happen, I believe the maf makes the engine run leaner, so at some stage, will this maf be in perfect spec? And, how much difference does 4% make anyway?, and would this be within the running tolerance of the 029 maf?, and would the engine adjust for this 4% over time? Lots of questions that I am unable to answer. Perhaps Ron could? Matt |
3rd October 2010, 00:09 | #45 | |
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By my maths that's a very nice profit margin of (very close to) 33% Ron. Nice work if you can get it.
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Mods so far X-Power Performance Upgrade LED interior lights and sidelights Genuine Rover Xenons - now removed and sold Kenlowe fan Synergy 2 EGR Bypass |
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3rd October 2010, 09:08 | #46 | |
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Indignation misdirected?
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I am unhappy about the other links in the chain. I find it inexcusable that: 1) With so many of these parts, it seems impossible to obtain the bit that works without a superfluous but expensive bit that often isn't needed and; 2) If a manufacturer and distributor can make and market a particular part at a particular price (assuming it's not a loss-leader) there is no possible justification for pricing an almost identical part 2 to 3 times higher.
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Beyoncé's Green Light Used More Rubber 355188 of 355194 Last edited by Frank Incensed; 3rd October 2010 at 09:08.. Reason: spelling |
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3rd October 2010, 09:24 | #47 | |
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I do not leave you without a maf whilst yours is sent off for testing or ask you to pay for an engineers report to prove its faulty... So you may pay more but you get something back in return. Feel free to take your business elsewhere. No pleasing some folk. Ron
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