I then decided to upgrade the spark plugs and wires. No they just got real nasty and fouled to the point they wouldnt spark. When these spark plugs fire, the spark jumps randomly to any one of the four ground electrodes. All Bosch OE Fine Wire plugs are backed by both a customer satisfaction guarantee as well as the industry's only Professional Technician Warranty, which covers labor/repair costs for a period of one (1) year from the date of installation when installed by a certified repair shop. After 150,000 on the original factory plugs I replaced them all with Bosch Platinum, single tip, plugs. Ohm's law and all that. The reason Bosch does not list Platinum +4 plugs for many of these applications goes back to the validation testing requirements. You cannot get a proper gap on them and they cost more. The wider gap of the Platinum +4 is necessary to achieve the advantages above. Like the Platinum +4, these plugs have a preset surface air gap of 1.6 mm. We have also seen comments on various blogs and automotive forums by people who say they have experienced fouling and misfiring problems when they replaced their original equipment brand spark plugs with Bosch Platinum +4 spark plugs. im interested to hear others imput. If a Bosch spark plug is listed for your engine, it should perform the same or better than the OEM spark plug. Platinum, better conductivity than iridium, higher quality plug, and beside that, why use anything less than what is recommended for a BMW? On these applications, two spark plugs that are opposite each other in the firing order share an ignition coil. Okay I edited the first post. Also what is the OEM plug. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Bosch has introduced a new Original Equipment design fine wire Double Platinum spark plug to complement its OE fine wire Iridium plug launched in 2011 and the OE fine wire Platinum plug launched in March, 2012. Platinum+4's unique revolutionary firing technology combines the advantages of surface air-gap technology, four ground electrodes, and a heat-fused center electrode with more pure platinum, to create the most powerful spark you can buy. Carefully measure the length against a plug you removed and also make sure the model number on the plug matches the model number on the Bosch box, a mix up may have occurred. Yep, never listen to the manufacturer recomendation. really? I have never used them in my teg because I like NGK's so much, but I have used them in other vehicles with no problems. THe fuel came out black which I doubt is good. Paste as plain text instead, Frequently bought together. When Bosch lists a spark plug for a particular engine application, the spark plug must first pass a full battery of OEM verification tests similar to those required for original equipment spark plug applications. However, these are only the 2V 4.6-litre module. 2018 Grand Cherokee Limited, 3.6L, 8 sp auto, AEM Dry drop-in filter, 20% tint. Questions & Answers Chris 1994 VR4 03.25.2022. Bosch Platinum 4+'s - Car Forums and Automotive Chat Do Not Use Bosch Platinum 4's!!! - DSMTalk I cant really give a reveiw since I havent replaced mine yet. We hope you can find helpful information and guidelines to make a wise choice. Key Features Surface air gap technology Platinum center electrode tip Four yttrium-enhanced ground electrode tips Surface Air Gap Design: The Platinum+4 delivers a powerful spark for efficient combustion Pre-gapped: Installation is fast because there's no need to gap Premium Parts Double Iridium Pin-to-Pin Spark Plugs Double Iridium Spark Plugs Those two prongs were snow white which means that the temperature that has been created on the spark plug was so hot, that it burnt the carbon deposits 100%. Two plugs may appear to be similar, but have quite different heat ranges. The complete line of New Bosch OE fine wire Double Platinum plugs offers 25 SKUs covering over 70 percent of the North American vehicles in operation, including over 86 percent that were originally equipped with double platinum plugs. If the plug runs too hot, it can cause detonation/preignition. Bosch says the iR Fusion plugs can be used to replace OEM iridium spark plugs in many engines. New Toy - Custom 92 GT soon to be a turbo beast. All Things 1.8 JavaScript is disabled. Crap I just remembered I have a phone bill to pay lol. But they would be weak sparks, because the available spark energy would be divided by 4. never heard anything good about those plugs. Bosch platnium sparkplugs | Bob Is The Oil Guy Ditch em and buy NGK. Upload or insert images from URL. How do you do that. Curve minus a point is affine from a rational function with poles only at a single point, A religion where everyone is considered a priest. So is there an order of importance on what I should replace beucase I can really only do 1 or 2 things a week. bimmerfest.com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. Running an E46 and E39 only title only query for "Bosch" plugs "backing" out, netted so few threads that I widened the search to posts, which anecdotally refer to the Bosch plugs backing out, but, not WHY they back out. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! I'm glad I took them out of my ride. We suspect that in most of these cases, any misfires that occurred were likely lean misfires, not ignition misfires, due to intake manifold vacuum leaks or dirty mass airflow sensors. Bosch spark plugs are original equipment on most European makes, as well as some General Motors and Ford engines. They also block out the mixture by putting all these grounds in the way. Platinum +4 spark plugs are available for a wide range of applications, but may not be available for all engines. First off the spark will only jump to one of the ground points so 1 or 4 or 100 makes no real difference. Gap spark plugs without tool. HAHA I forgot the engine. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. I threw some Bosch Platinum plugs in last fall and havent had any problems at all since then. . When I put platinum plugs in my 4-banger it threw a check engine light for a misfiring plug. To get a better spark, you need to use a good conductor. This can happen with ANY brand of replacement spark plug. Sorry about that. Spark Plug, Platinum +4, Tapered Seat, 14mm Thread, .460 in. :rtft: Avoid paying extra for plugs with platinum on both sides of the gap, there is no need or benefit for anything but the less expensive single-tipped platinum plugs on engines with conventional distributors as yours has. Such applications require locating the spark gap in a precise location within the combustion chamber for proper ignition performance. If you have an account, sign in now to post with your account. The Bosch platinum 4 spark plugs are gap-less, so no messing around with gapping. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How ever if you drop them in a 2V 4.6 L modular (spark plugs located on the side of the combustion chamber), they don't work properly: After a couple of months my car began to idle roughly at stops but not always. The best advice is to follow the application listings from Bosch for choosing the correct replacement spark plug. And autozone or Kragen should have the plugs right, just regular ones.. Well I'll reread the Bosch platnium 2 thread and see. I won't touch their Platinum +2/4 series. However, these are only the 2V 4.6-litre module. Bringing the BMW community together. Bosch Platinum +4 Problems - LS1Truck knocking). Do you guys know anything about this? Use the type of plug Bosch recommends for your engine application (ir Fusion, Platinum +4, Platinum +2, Platinum Plus or Super Plus), or if there is no listing replace your old spark plugs with the same OEM brand. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I was under the impression that our cars run way better with 4 electrod plugs. It's an expensive and time-consuming process to do the validation testing, so for limited volume applications it has not been a priority for Bosch. Their latest plug is the Bosch iR Fusion spark plug that feature an iridium/platinum center electrode with four yttrium side ground electrodes. Bosch has also run tests where the plugs have gone over 150,000 miles with no appreciable wear, so these would seem to be lifetime plugs for many vehicle applications (unless, of course, the engine is burning oil, in which case fouling might occur). Image is a representation of this item. Incompatibility with some engines: Some engines in which it is not recommended to incorporate these spark plugs. Learn more about Stack Overflow the company, and our products. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Anyone can gimme insight on whats better plug?? I cant see how a high performance plug could negatively affect the performance of a car though. Though Bosch makes no specific mileage claims for their Platinum +4 spark plugs, they do say the plugs meet or exceed OEM requirements for 100,000 mile replacement intervals. Iridiums aren't that good. They were all to the side. Champions are great. Just a warning. The better spark you get, the more complete burn you get, and the more power you get out of the fuel you're using (and less emissions, too). Here you can find all the information you need about these spark plugs. Barring the plugs themselves from being the problem (incorrect heat range shouldn't cause this, wrong plug length could), are there any holes along the intake tract where foreign objects could be ingested by the engine? Bosch Platinum Super+4, P/N 4418 (Resistor 3.6 kohms) This 4 ground electrode plug with a platinum "fine wire" center is presently being heavily advertised, but is not recommended by Bosch for: (1) truck, (2) heavy towing, or (3) "high performance/racing" applications. check out the. $6372. Haven't seen that kind of plug damage in a long time! What about the Denso Iridium Spark Plugs? Bosch says their new OE Fine Wire Double Platinum plug delivers improved ignitability, power, acceleration and throttle response by employing fine wire laser welded center electrode technology, and is designed to last three times longer than a standard copper core plug.
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