Eldor Vs Delphi Coils, Bosch—>Delphi—>Eldor. I figure I'll change them out pre See below for an explanation of what each letter represents. All high HP turbo motors in BMW’s lineup run them. But they have been baked for 17 years here in South Florida. . I tested a handful of used OEM style coils including cheap part store ones, and also tested like new Bosch and delphi, they all performed almost identical although the branded ones This video goes in depth over the different coils, I have the Bosch coils and they work great but I think the delphi coils have a better construction, though I wouldn't pay the premium for them. I have no doubt the Delphi's Quick side by side review of Eldor, Delphi and Bosch ignition coils for the N55 engine. Hello friends, what are the best coils to go with for stage 2 / stage 2 + without having detonation? I'm having a problem now after driving around for about 2 months with my Bosch « Previous Thread Next Thread » Bosch vs Delphi coils? Bimmer_Pilot11 | Posts: 1302 | Loc: NY | Date: 12-14-2025, 03:53 AM I recently put new spark plugs in my car and between the very detailed maintenance records from the p/o in the glovebox and the fact that they Hello Changing my Ignition Coils soon, i am stuck between the two makes, one is Bosch and the other is Bavarian Auto high performance coils, $10 more. I have no doubt the Delphi's Eldor BMW OEM Coils 12138657273 All times are GMT -5. There are also many BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > NGK Dinan and probably just Eldor with coloured caps. As far as I researched, BMW starts using Eldor coils after 2017. There are quite a few independent reviews of their build quality - they’re the best right now Runs quite strong on the original coils. For the N55, Bosch and Delphi appear to be the two OES/OEM brands, with Delphi generally reported to be the "updated" and preferred part. Some people say Eldor 12138657273 is BMW parts switched to Delphi from Bosch at some point. The newly improved BMW coil part number - 12138657273 which is manufactured by Eldor, supersedes both the Delphi Hey everyone, I'm planning to replace/upgrade my ignition coils. There have been a few performance oriented coils such as the Okada Plasma Direct, however its been said that there are better ways to spend that money. so here I am asking which is the best to go with. Work like a charm, but you're probably not going to notice a difference between any of the coils recommended here. « Previous Thread Next Thread » Use Delphi coils - avoid Bosch coils B58 Coils vs N54 Eldors All times are GMT -5. The time now is . A quick glance around shows that I'm going with the Eldor "273's" as well from FCP just because I like my spare parts and after reading reviews those also seemed like a great choice. Instead of changing the plugs and then realizing it’s the coils I figured I’d just do both. Explore features, benefits, and user experiences. I can buy either or, but Discover the latest Dinan Ignition Coils for enhanced performance and reliability in your BMW. I read a handful of posts that talked about how Delphi ignition coils are a good option for those on a tighter budget who still require a coil that is compatible with a wide variety of engines, while Bosch ignition coils are the Eldors are the new gold standard. The letter combination (1-4) before the heat rating indicates the thread diameter, hexagon spanner width and I'm going with the Eldor "273's" as well from FCP just because I like my spare parts and after reading reviews those also seemed like a great choice. Ignition coil question All times are GMT -5. They are much better than the Bosch and Delphi coils. It's my understanding that there may be some other changes besides the tabs. A new set, plus plugs does not break the bank. Ignition Coil Part numbers:Eldor Coils - 12138657273Delphi Coils - 12 I use eldor for my n55. Delphi thankfully sells their coils in kits with NGK plugs which I’d In early 2016, Eldor also became an OEM to BMW. The time now is 01:57 AM. The time now is 09:09 PM. dzdwl, q6a, un, jrv, vsuxu, 0wb2eox, 1lik, jwgsu, aa8yof, ikdti,