![]() Generally speaking one should change them out every 100,000 miles unless your track the car. Although the NGK factory will set the gap to a preselected setting, this may not be the right gap for your particular engine. So, I would forget the BMW stamp and just focus on the research of the plugs above. While most NGK spark plugs are pre-gapped, there are occasions when the gap requires adjustment. NKG does make a plug for your car and some do say it is a better plug. I am not sure the difference otherwise?Īlso - should I replace my coils now along with the plugs, or just wait until they fail? I will probably get the Bosch coils.Īccording to he Bosch parts app you need FR7PP332 There is like a $10 difference between the two. and Im getting the BMW branded ones (yes, I know Bosch's are pretty much the same, but for like $20 it's worth it to me to get OE ones)Īnyway, so I'm on ECS tuning looking to order. but now they are pretty much the same company since ECS bought out Turner. NGK recommends a round wire-style or pin gauge gap tool to measure the gap. I was wondering if any of u know how much gapping the NGK Iridium Spark Plugs require Mines never come pre-gapped so I gotta take the initiative. Care must be taken to avoid bending or breaking off the fine-wire electrodes. With over 80 years of automotive expertise NGK has built a reputation for quality. Although NGK spark plugsare often pre-gapped, there are times when the gap has to be adjusted. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. Gap them to the stock setting, should be fine for your mods. While most NGK spark plugs are pre-gapped, there are occasions when the gap requires adjustment. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. I usually buy my parts from ECS or turner motorsports. Every spark plug should be gapped before installation, no matter what it is made out of, the spark still has to jump the gap. is it possible to know which ones I will receive before I buy them by looking at the part numbers? I guess I am just more curious than anything. I don't even know which NGK plug people use for N54, or N55.įor the OP, who has a N52 2008 328i, both Bosch and NGK (certain part numbers of them) are specified by BMW, which will have correct gap from manufacturer if not changed by accident during shipment, or handling. Using another NGK plug is an experiment for your engine, which looks like for certain tuners provides good results, if they gap it correctly for that engine. Your signature shows 2011 335i, which only a certain Bosch plug is specified for that modelįor your engine NGK plugs are not specified by BMW. There is unnecessary confusion, different engines different plugs.
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