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N52 owner here, recently put some Shell Helix Ultra 5w40 (the Pennzoil euro is just a re-bottle of Helix Ultra) in the car due to non technical reasons. Had been using U.S. market Belgium made Edge 0w40 and Mobil 1 0w40 (FS, non-LL01) before. I saw better fuel economy with no other noticeable...

Originally Posted by Bjornviken Then use Castrol to save money Originally Posted by 1978elcamino Originally Posted by LoneRanger I was thinking of switching my F150 from Motorcraft synthetic blend to M1 but certainly don't want consumption to begin occurring. M1 is only a few bucks more than...

In my case it simply gets worse with the oil ages. Also for those who doesn't have oil consumption to begin with you probably shouldn't worry about it, remember my valve stem seals are already worn.

So I had always being interested in the difference between different engine oils and after trying Castrol Edge 0w40 (US version, made in Belgium), Mobil 1 FS 0w40, and Shell Helix Ultra 5w40 (EU 1L bottles), here are some observations i found quite interesting. The car: 2007 E90 BMW 325i EU...

Originally Posted by wag123 Originally Posted by JustN89 I've used Chevron Techron and Redline SI-1 and have no complaints. Recently, I've started adding a 1:500 mix of TC-W3 to my fuel in lieu of other additives in hopes to achieve similar effects at a cheaper price. So far, so good with the...

Originally Posted by Gixxer46 You spray it through the throttle body so it will clean manifold along the way. I compared it to Seafoam and found Seafoam didn't do much in my manifold. We don't get amsoil power foam in Canada. Seafoam didn't clean my manifold too (there were some other...

Originally Posted by Gixxer46 Amsoil PI or redline si-1 for fuel treatments and use crc turbo and intake valve cleaner and spray that into the intake. Wouldn't that be a little redundant? My valves are pretty clean with Techron, it's the intake manifold I am concerned about (planning on using...

Originally Posted by Gimpy1 I have the same issue. Until very recently ALL the gas was supplied and sold by PEMEX which is the state owend oil company. Fuel quality was/is horrible. The detergent package was minimal at best. I sent a note to Redline requesting their advice on what dose to use...

Originally Posted by JustN89 I've used Chevron Techron and Redline SI-1 and have no complaints. Recently, I've started adding a 1:500 mix of TC-W3 to my fuel in lieu of other additives in hopes to achieve similar effects at a cheaper price. So far, so good with the TC-W3. isn't that two stroke...

Originally Posted by StevieC to BITOG! I'm a big fan of the Amsoil P.I. not because I'm an Amsoil user but because it unclogged and injector in my beater Neon that no other additive could do and it did it in just 400km. That made me a believer in their fuel treatment. I have also looked into...

Originally Posted by danez_yoda Techron is one of the recommended PEA fuel treatments. You should be good with that. If you find the carbon building up on sparkplugs, increase the dosage. I think you are right, Techron is working well for my E90 at recommended interval, I might increase dosage...

Hi all, New to the forum here, learned a lot of good info for my BMW E90 325i here, but after some searching I could not find an answer for this particular question that's not "just buy top tier fuel". Well I wish I could but it's not available in my country, I used to live in the states and...