Spark Plugs For 535i - BMW Forum - BimmerWerkz.com
5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

 
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#1 (permalink) Old 01-12-2005, 03:24 AM
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I recently ordered Bosch W8LCR plugs. However I received Bosch WR8LC plugs instead. Are these plugs the same? Also the recommended gap is 0.7mm, however the WR8LC plugs have a gap of 0.8mm. Should I decrease the gap back down to 0.7mm?
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#2 (permalink) Old 01-12-2005, 03:25 AM
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Forgot to add that my car is a 535i e34 with a m30 engine.
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#3 (permalink) Old 01-12-2005, 09:45 AM
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The Deuce is an unknown quantity at this point
Don't risk it, get the right plugs.

2002 BMW 530i
1997 Ford Mustang GT
1995 Honda VFR 750 (For Sale)
1964.5 Ford Mustang
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#4 (permalink) Old 01-12-2005, 04:07 PM
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I just contacted Bosch here in Aus. WR8LC are the new plugs whereas the W8LCR are the old ones. The only difference is the 0.1mm difference in gap.

To pose another question, will a larger gap be detrimental to performance? I think that it may be harder to start in the mornings but there will be less chance of fouling. Is this correct?
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