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HELP! I'm confused.

2691 Views 6 Replies 4 Participants Last post by  cooldad2010, 
C
Hi,

I bought 4-NGK LFR6AIX-11 (6619) because others recommended this plugs in other thread.

However, I just found in Amazon.com that ONLY NGK ILFR6A Laser Iridium (3588) fits to my 05 C230K SS and NGK LFR6AIX-11 (6619) doesn't!!!! Can you please help me if I should return them and re-order ones?

Best regards,

Cooldad.
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Has anybody in this forum used Bosch plugs FR 8 DPP 33 + with the M271. The difference between this and the MB plugs NGK ILFR 6 A seem to the heat range (8 is hotter!) and the gap size (1.0 mm instead of 0.8 mm in the NGK). Of course, the NGK is from Japan and the Bosch is from Germany.
Shan.
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