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#4742900 - 04/29/18 11:34 PM 98 Audi A4 1.8T Oil and filter recommendation
charmer37 Offline


Registered: 01/23/14
Posts: 49
Loc: Maryland
Hello, I would like to know what is a good oil and filter for a 98 Audi A4 1.8T? Thank you.

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#4742902 - 04/29/18 11:49 PM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
1JZ_E46 Offline


Registered: 04/04/16
Posts: 1067
Loc: Oregon
Castrol 0W-40 or Mobil 0W-40. Take your pick. As for filters, Ive always preferred Mann. Both of those oils are available at Walmart in 5 quart jugs at a good price.


Edited by 1JZ_E46 (04/29/18 11:51 PM)
_________________________
2007 BMW X5 4.8i, 105K: Castrol EDGE 0W-40, Mann
2012 Mini Cooper, 45K: Castrol EDGE 0W-30, Mann

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#4742907 - 04/29/18 11:59 PM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
edyvw Offline


Registered: 03/08/12
Posts: 4934
Loc: Colorado Springs
Originally Posted By: charmer37
Hello, I would like to know what is a good oil and filter for a 98 Audi A4 1.8T? Thank you.

I had later version of that engine, Castrol 0W30 or now 0W40 worked smoothest. M1 0W40 (granted, at that time was older version) was bit noisy.
Still, both Castrol and Mobil1 will do good. More important is that you use in that engine large oil filter. There are two types, smaller one and large one. Under any circumstances do not use smaller one since larger is one of the ways to address sludge issues those engines had.
_________________________
13' BMW X5 35d (Mobil1 5W30 ESP+OEM filter)
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)

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#4742951 - 04/30/18 03:34 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: 1JZ_E46]
charmer37 Offline


Registered: 01/23/14
Posts: 49
Loc: Maryland
Thank's

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#4742957 - 04/30/18 03:48 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
Olas Offline


Registered: 12/11/13
Posts: 3920
Loc: Manchester, England
For oil use any xw40 that meets A3/B4 or 502/505 and for a filter you want a mann w940/44 or a Mahle oc51.
_________________________
Cable ties should hold it

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#4742967 - 04/30/18 04:39 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
rooflessVW Online   content


Registered: 12/24/11
Posts: 3819
Loc: North Carolina
Rotella T6 and a Wix 51393.
_________________________
"Zed's dead baby, Zed's dead."

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#4742988 - 04/30/18 05:47 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
Charlie2015 Offline


Registered: 04/24/15
Posts: 227
Loc: Georgia
VML 10w40
_________________________
1998 Honda Accord EX 2.3L Auto
2009 Scion TC Manual

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#4743040 - 04/30/18 07:32 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
UG_Passat Offline


Registered: 05/27/08
Posts: 1903
Loc: NJ
Mann 940/25 and Rotella T6
_________________________
2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30

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#4743826 - 04/30/18 08:09 PM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: UG_Passat]
Olas Offline


Registered: 12/11/13
Posts: 3920
Loc: Manchester, England
Originally Posted By: UG_Passat
Mann 940/25 and Rotella T6


Rotella can go a lot further than a 940/25. They updated it for long life and called it a 940/44 which would better utilise the abilities of the Rotella
_________________________
Cable ties should hold it

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#4744993 - 05/01/18 09:08 PM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: Charlie2015]
artificialist Offline


Registered: 09/23/07
Posts: 8598
Loc: Florida
Originally Posted By: Charlie2015
VML 10w40

I wouldn't recommend that. Those engines needed full synthetic to prevent sludging.
_________________________
2010 Lancer Ralliart Sportback

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#4748995 - 05/06/18 06:31 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
Audios Offline


Registered: 11/19/11
Posts: 835
Loc: Lyndhurst NJ
Use the big diesel filter that was part of the bulletin and any quality synthetic. I did run semi syn 15/40 in mine for about 10k, but this was for short intervals under 5k after I had to replace the head. Timing belt stripped at 57k, back in 2001.
_________________________
2002 VW Golf TDI-Mobil 1 5/40 TDT
2005 BMW M3 BMW Twin Power 10/60
1998 BMW M3/4/5 Fuchs 5/40
2007 Mercedes GL320 CDI Fuchs 5/40 GT Pro XTL

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#4759219 - 05/16/18 08:55 PM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
benjy Offline


Registered: 08/23/10
Posts: 821
Loc: pa
out of warranty a 10W30 fake synthetic will do fine + a quality filter. if you don't mind the cost a real synthetic is best but that worked well for my 200,000 mile 2001 1.8T jetta aka cheap audi. if your consuming a 10-40 or 15-40 would serve better. i am above you in Pa just a little cooler + 10W works well, my 2001 TT gets the 40 variety as it uses a bit more than the similar jetta engine, both hopped up!!!!


Edited by benjy (05/16/18 08:56 PM)

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#4759489 - 05/17/18 07:10 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: charmer37]
sloinker Offline


Registered: 08/13/17
Posts: 55
Loc: WY
Full synthetic 0w-40 and the larger filter. I would use the M1 annual protection and change at the manufacturers OCI.

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#4759634 - 05/17/18 09:19 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: sloinker]
kschachn Offline


Registered: 12/26/05
Posts: 9221
Loc: Upper Midwest
Originally Posted By: sloinker
Full synthetic 0w-40 and the larger filter. I would use the M1 annual protection and change at the manufacturers OCI.

No. First off there is no 0W-40 Annual Protection product. And second, I would not use the AP due to the fact that the highest HTHS available (5W-30) is 3.0 which is lower than what Audi requires with 502 00 oils. The ExxonMobil site recommends 0W-40 FS or he can use Castrol 0W-40, whichever one is cheaper. Do not use the Annual Protection product as it is neither recommended by ExxonMobil for that engine nor does it have the proper characteristics.
_________________________
1994 BMW 530i, 225K
1996 Honda Accord, 260K
1999 Toyota Sienna, 390K
2000 Toyota ECHO, 265K

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#4759717 - 05/17/18 10:35 AM Re: 98 Audi A4 1.8T Oil and filter recommendation [Re: kschachn]
1JZ_E46 Offline


Registered: 04/04/16
Posts: 1067
Loc: Oregon
Originally Posted By: kschachn
Originally Posted By: sloinker
Full synthetic 0w-40 and the larger filter. I would use the M1 annual protection and change at the manufacturers OCI.

No. First off there is no 0W-40 Annual Protection product. And second, I would not use the AP due to the fact that the highest HTHS available (5W-30) is 3.0 which is lower than what Audi requires with 502 00 oils. The ExxonMobil site recommends 0W-40 FS or he can use Castrol 0W-40, whichever one is cheaper. Do not use the Annual Protection product as it is neither recommended by ExxonMobil for that engine nor does it have the proper characteristics.


I was going to reply to the AP comment but figured Id let another member have at it. Well done sir.
_________________________
2007 BMW X5 4.8i, 105K: Castrol EDGE 0W-40, Mann
2012 Mini Cooper, 45K: Castrol EDGE 0W-30, Mann

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