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Toxic 
Really Senior Member II 
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
 Topic: Which Sprk Plugs for my E39?Posted: 24-September-2004 at 14:59 |
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1997 E39 523i with the M52 engine. Owners manual is vague and just states Bosch F7LDCR or NGK BKR6EK However the Bentley manual says these plugs are for the M62 up to 07/97 and the M52 engine should have the Bosch F8LDCR
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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Toxic
Really Senior Member II
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 27-September-2004 at 06:11 |
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just logged on to www.sparkplugs.co.uk and went through their menu system and it suggests the NGK plug BKR6EK Anybody done a plug change recently on same type engine and if so, what did you use? |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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kbannon
Admin Group
E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508 |
Posted: 27-September-2004 at 06:27 |
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was your car dealer serviced last time they were changed? If so what did they use?
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Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
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Toxic
Really Senior Member II
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 27-September-2004 at 07:14 |
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couldn't tell ya....my log book with all the receipts were lost, so not even sure when they were last done. do you have any record of what was used on your last service?
I was himmin' & hawin' about the idea of using Iridium plugs? are they worth the few extra yoyo's? Edited by Toxic |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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kbannon
Admin Group
E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508 |
Posted: 27-September-2004 at 09:06 |
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If I get a chance, I'll look tonight for you.
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Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
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e34m5
Really Senior Member II
Joined: 26-June-2003 Location: Near Rugby, Warwickshire Status: Offline Points: 1344 |
Posted: 27-September-2004 at 10:52 |
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The BMW ETK lists the BOSCH F7LDCR, NGK BKR6EK or "High Power" BOSCH FGR7DQP and NGK BKR6EQUP
I would personally stick with the Bosch plugs as i have heard horror stories involving the NGK's Miles Edited by e34m5 |
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1991 525i Sport Manual 
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kbannon
Admin Group
E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508 |
Posted: 28-September-2004 at 09:52 |
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I began looking for the plug reference # last night and had forgotten that it is far more technical than my E30. Anyway, began to get dark and I called it a day when my 10mm socket and its little extension bar fell down to be lost forever
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Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
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318is-joe
Really Senior Member I 
Joined: 04-March-2004 Location: Ireland Status: Offline Points: 314 |
Posted: 29-September-2004 at 03:39 |
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Same as that Miles, I've heard of NGK's ceramic insulators breaking, even when fitted with the proper gear, i.e a correct socket and rubber sleeve insert. Tom, if you can stick to the BOSCH Killian, It will probably make it's way down into the Splash tray, and hopefully not down on the road, was it part of an expensive set? I hate losing tools like that, I'd strip a car for a good socket/spanner whatever Edited by 318is-joe |
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Toxic
Really Senior Member II
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 29-September-2004 at 05:46 |
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Bosch it is then....thanks for yere input. I suppose if it ain't broke.....bladdy blah |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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Toxic
Really Senior Member II
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 26-October-2004 at 04:42 |
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Just replaced the plugs with Bosch plugs type FR7LD+ (+7). They are the closest I could get to the Bosch F7LDCR. Picked them up at the motor factors at Blanch Centre for €32/set. Noticable difference in acceleration. Plugs that were in were the NGK BKR6EK equivalents and were well worn. Anybody an idea from the service manual what is the recommended service interval for the plugs? I heard somewhere it's 60k miles? |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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kbannon
Admin Group
E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508 |
Posted: 26-October-2004 at 04:51 |
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I can check for you in a while!
BTW the place in Blanchardstown (Motor Store) is a rip off! |
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Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
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Toxic
Really Senior Member II
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 26-October-2004 at 05:09 |
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I thought that price wasn't bad for 6 plugs, especially Bosch ones. |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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kbannon
Admin Group
E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508 |
Posted: 26-October-2004 at 05:18 |
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fair enough - however, I have found most things to be cheaper elsewhere!
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Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
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Toxic
Really Senior Member II
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 26-October-2004 at 05:33 |
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I just think the Bosch plugs are hard to find...most back street shops didn't have them. Joe-318is told me to go to BSC.
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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e34m5
Really Senior Member II
Joined: 26-June-2003 Location: Near Rugby, Warwickshire Status: Offline Points: 1344 |
Posted: 26-October-2004 at 05:43 |
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You could always mail order them from GSF Car parts or Eurocarparts ? Ł2.50 each from GSF.
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1991 525i Sport Manual
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Toxic
Really Senior Member II
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 26-October-2004 at 05:48 |
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We have a local GSF here..the euro equivalent price here is about €5 anyway so with postage it would work out the same. If I ordered from UK, with exchange rates & postage I wouldn't save that much. |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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kbannon
Admin Group
E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508 |
Posted: 26-October-2004 at 06:50 |
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According to my service booklet, the E39 (520i, 523i & 528i) spark plugs are renewed every Inspection I service only!
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Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
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Toxic
Really Senior Member II
Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 26-October-2004 at 07:19 |
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how many miles between every Insp I? |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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318is-joe
Really Senior Member I
Joined: 04-March-2004 Location: Ireland Status: Offline Points: 314 |
Posted: 26-October-2004 at 07:19 |
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Oh yeah,,, blame me why don't ya 32 euro isn't bad for 6 high quality plug's I know that place charges well for stuff like furry dices and go faster glow in the dark cigarette lighters, but consumables like wiper blades, plug's, filters, seem to be reasonable enough. Edited by 318is-joe |
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kbannon
Admin Group
E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508 |
Posted: 26-October-2004 at 07:22 |
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The amount of miles between Inspection Is depend on your driving style, etc. and is shown on the Service Indicator of your instrument cluster. There is no set duration between services! The pattern is Oil Service - Inspection I - Oil Service - Inspection II - etc. |
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Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
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Which Sprk Plugs for my E39?
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e34m5 wrote: