Tynesider Posted June 12, 2020 Report Share Posted June 12, 2020 Hi There is a wide variation in price for the MAF sensor (986 2.5 1997) from different suppliers, has anyone got any recommendations. £40 - £250 on ebay from different suppliers, is there anything special about it or will one of the more keenly priced ones be fine? Also AOS might have to be replaced possible oil leak from the bellows on the bottom end, do I need to get a different length hose from AOS to the TB?? (read this somewhere) Thanks Link to comment Share on other sites More sharing options...
John2000 Posted June 12, 2020 Report Share Posted June 12, 2020 I don't recommend the Ebay ones get a Bosch one for your car there are different one depending on the year ask me how I know. Try Eurp parts they always have a deal on. Link to comment Share on other sites More sharing options...
½cwt Posted June 12, 2020 Report Share Posted June 12, 2020 Given the price differences vs risk I'd get one from a breaker (when mine went I got a second hand spare from someone on here so I have actually gone second hand), that way you know it is Bosch but even if it fails sooner you can go through two or three comfortably before you'll have spent the price of a new one. A genuine Bosch item (Porsche number 987 606 125 01 Bosch number 0 280 218 145) can be got for around £150+160 if you want new.. Link to comment Share on other sites More sharing options...
Mr96er Posted June 12, 2020 Report Share Posted June 12, 2020 46 minutes ago, ½cwt said: Given the price differences vs risk I'd get one from a breaker (when mine went I got a second hand spare from someone on here so I have actually gone second hand), that way you know it is Bosch but even if it fails sooner you can go through two or three comfortably before you'll have spent the price of a new one. A genuine Bosch item (Porsche number 987 606 125 01 Bosch number 0 280 218 145) can be got for around £150+160 if you want new.. 👏👏This👏👏 Ive has them from breakers at £25 and they’ve lasted ages in my 2.5s I’ve got a spare in my tool box now. It’s predictable they will fail. Eventually. Link to comment Share on other sites More sharing options...
Mr96er Posted June 12, 2020 Report Share Posted June 12, 2020 I should say I only connect mine at MOT time. I don’t bother with it otherwise. More Faff than MAF Link to comment Share on other sites More sharing options...
Tynesider Posted June 12, 2020 Author Report Share Posted June 12, 2020 2 minutes ago, Mr96er said: 👏👏This👏👏 Ive has them from breakers at £25 and they’ve lasted ages in my 2.5s I’ve got a spare in my tool box now. It’s predictable they will fail. Eventually. What breakers do you recommend? Link to comment Share on other sites More sharing options...
Tynesider Posted June 12, 2020 Author Report Share Posted June 12, 2020 2 minutes ago, Mr96er said: I should say I only connect mine at MOT time. I don’t bother with it otherwise. More Faff than MAF I was thinking sort of along this line, is there any downside to running the car/engine with it disconnected? Link to comment Share on other sites More sharing options...
the baron Posted June 12, 2020 Report Share Posted June 12, 2020 17 minutes ago, Mr96er said: I should say I only connect mine at MOT time. I don’t bother with it otherwise. More Faff than MAF Thats interesting, do you not have any downsides in not have the MAF installed? Link to comment Share on other sites More sharing options...
½cwt Posted June 12, 2020 Report Share Posted June 12, 2020 1 hour ago, Tynesider said: What breakers do you recommend? I have used Douglas Valley and 9apart who have eBay shops. There are others besides. 1 hour ago, Tynesider said: I was thinking sort of along this line, is there any downside to running the car/engine with it disconnected? @naim22 can you give a bit more detail on how the MAF affects running connected and disconnected? Link to comment Share on other sites More sharing options...
Mr96er Posted June 12, 2020 Report Share Posted June 12, 2020 3 hours ago, Tynesider said: What breakers do you recommend? Douglas Valley have never let me down. Steve Strange on eBay 👍 Link to comment Share on other sites More sharing options...
Mr96er Posted June 12, 2020 Report Share Posted June 12, 2020 3 hours ago, Tynesider said: I was thinking sort of along this line, is there any downside to running the car/engine with it disconnected? 3 hours ago, the baron said: Thats interesting, do you not have any downsides in not have the MAF installed? There are no discernible downsides I’ve found. Starting, running at temp, idling all fine. I think it’s like your appendix, when it makes a fuss, rip the fu.cker out and carry on! I’ve not found the performance lacking on any of our little jaunts in the countryside. my Mpg is very respectable. Link to comment Share on other sites More sharing options...
Mr96er Posted June 12, 2020 Report Share Posted June 12, 2020 3 hours ago, the baron said: Thats interesting, do you not have any downsides in not have the MAF installed? To clarify. It’s in situ, just unplugged. If I could get a blanking plate, I might🤔 Link to comment Share on other sites More sharing options...
½cwt Posted June 12, 2020 Report Share Posted June 12, 2020 11 minutes ago, Mr96er said: To clarify. It’s in situ, just unplugged. If I could get a blanking plate, I might🤔 An old broken MAF with the blade that sits in the airflow? I think I can find my old failed MAF in the pile to go to the tip if you'd like me to dig it out PM me. Link to comment Share on other sites More sharing options...
Tynesider Posted June 12, 2020 Author Report Share Posted June 12, 2020 44 minutes ago, Mr96er said: There are no discernible downsides I’ve found. Starting, running at temp, idling all fine. I think it’s like your appendix, when it makes a fuss, rip the fu.cker out and carry on! I’ve not found the performance lacking on any of our little jaunts in the countryside. my Mpg is very respectable. Thanks, I'm going to unplug it and monitor it and see what its like, if like you have found with no downsides then hey ho. Link to comment Share on other sites More sharing options...
Mr96er Posted June 12, 2020 Report Share Posted June 12, 2020 23 minutes ago, Tynesider said: Thanks, I'm going to unplug it and monitor it and see what its like, if like you have found with no downsides then hey ho. Only matters at MOT time👍 Link to comment Share on other sites More sharing options...
½cwt Posted June 12, 2020 Report Share Posted June 12, 2020 5 hours ago, ½cwt said: An old broken MAF with the blade that sits in the airflow removed? I think I can find my old failed MAF in the pile to go to the tip if you'd like me to dig it out PM me. CFA - @Mr96er the offer should make more sense now! Link to comment Share on other sites More sharing options...
Mr96er Posted June 13, 2020 Report Share Posted June 13, 2020 Ah yes, thank you for the kind offer. I have a dud one also lurking in the garage which I might well cut up. Truth is, I’m looking at new cats and maybe Headers in which case I’ll go back to running a MAF to see if it makes any difference. My current set up is “modified 😉”. Link to comment Share on other sites More sharing options...
Natplant Posted June 14, 2020 Report Share Posted June 14, 2020 On 6/12/2020 at 12:55 PM, Tynesider said: Hi There is a wide variation in price for the MAF sensor (986 2.5 1997) from different suppliers, has anyone got any recommendations. £40 - £250 on ebay from different suppliers, is there anything special about it or will one of the more keenly priced ones be fine? Also AOS might have to be replaced possible oil leak from the bellows on the bottom end, do I need to get a different length hose from AOS to the TB?? (read this somewhere) Thanks When I changed my AOS on my 98 2.5, I had to get a new hose as the top of the AOS is 90degrees different to the replacement, I will try and find the part number. Link to comment Share on other sites More sharing options...
PaulQ Posted June 14, 2020 Report Share Posted June 14, 2020 On 6/12/2020 at 12:55 PM, Tynesider said: has anyone got any recommendations. £40 - £250 on ebay from different suppliers, is there anything special about it or will one of the more keenly priced ones be fine? The cheap unbranded ones seem to be a bit hit and miss so stumping up approx 130 quid for the Bosch part is probably the best option, though I've not heard of any issues with the Bremi mafs that a few people on here have used, and they are considerably cheaper. I've got a new Bosch one you can have for £90 if your interested. Link to comment Share on other sites More sharing options...
Tynesider Posted June 14, 2020 Author Report Share Posted June 14, 2020 5 hours ago, Natplant said: When I changed my AOS on my 98 2.5, I had to get a new hose as the top of the AOS is 90degrees different to the replacement, I will try and find the part number. Thanks that would be great Link to comment Share on other sites More sharing options...
Tynesider Posted June 14, 2020 Author Report Share Posted June 14, 2020 5 hours ago, PaulQ said: The cheap unbranded ones seem to be a bit hit and miss so stumping up approx 130 quid for the Bosch part is probably the best option, though I've not heard of any issues with the Bremi mafs that a few people on here have used, and they are considerably cheaper. I've got a new Bosch one you can have for £90 if your interested. Thanks for the info and offer, may try one of the Bremi ones, incidentally I unplugged the MAF yesterday and took it out and it was way better? Link to comment Share on other sites More sharing options...
Natplant Posted June 14, 2020 Report Share Posted June 14, 2020 1 hour ago, Tynesider said: Thanks that would be great If your AOS is the original one, you need this breather pipe so the new style AOS will fit as the existing pipe is too short. 996 107 279 02 Link to comment Share on other sites More sharing options...
elgringo Posted June 14, 2020 Report Share Posted June 14, 2020 Sorry, I’ve just seen this. I put a Bremi one on mine in March and although it’s not been driven a great deal, it now starts much easier and is far smoother to drive. Link to comment Share on other sites More sharing options...
Natplant Posted June 14, 2020 Report Share Posted June 14, 2020 Just now, Natplant said: If your AOS is the original one, you need this breather pipe so the new style AOS will fit as the existing pipe is too short. 996 107 279 02 Sorry try 996.107.145.06 Link to comment Share on other sites More sharing options...
PaulQ Posted June 15, 2020 Report Share Posted June 15, 2020 13 hours ago, Tynesider said: may try one of the Bremi ones If you do then you need part number 30161 for a 2.5 Link to comment Share on other sites More sharing options...
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