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M Sport suspension is a hilarious option on a Toyota!

JB4/Bootmod3 Flash

The Chinese market 120i has B48A20C name.

Yeah for real. If i it doesn't required hand signals or something i'm cool with it. I don't know if it's me used to BMW's or what but i always find BMW's logic with paddle shifters and + - gate with the shifter the right one. You have to pull to upshift, push to downshift. Some manufactures do...

So it's using the new B58 family engine debuted with the X5 and there two versions: 335hp (probably smaller turbo) in regular cars both in EU and US trim and interestingly, the EU model with particulate filter have the same 335 HP rating. 380hp (probably bigger turbo) in M340i, Z4 M40i and of...

Here is a dyno of the regular B58 in the F30 for those who are interested. I'm not aware of their standard procedures for that matter. I had to study DIN for my thesis that's why i mentioned them. ;)

Very true. These guys will love their BMS catch cans. ;)

Exactly. Not just BMW, all the Germans. Anyone who wants something complying with DIN standards have to rate their product at their worst. Very unlike of Gross standard of the old days which mostly meant no accessories, different carbs, headers and straight pipe for rating engines!

BMW had carbon buildup problem in the first gen DI engines (N53, N54, N63 etc...) But they most got rid of it with the new Valvetronic. N55 needed intake clean up every basically 80,000 miles instead of the usual 30,000 miles with the N54. B58 should only be better.

1. The manifold is molded but the turbo is not so you can unbolt the turbo off the Y pipe and modify it. Just like the VR30DDTT engine which AMS could bolt turbos flowing up to 800hp. 2. You can bore and sleeve the block to increase the bore but i'm not sure if the bore spacing would allow much...

If it's got BMW software and Bosch Tricore ECU, i think that statement is very far from truth. Not one of the OEM's like to have it's encryption accessed by 3rd parties, specially BMW. Look at the recent GM models, ZR1 for example, no one can tune those cars yet. And GM used to have most tuner...

The 2 series was a coupe design from the start, that's why the chassis had to be reinforced to get the rag top. The Z4 however was designed with that in mind so the difference between soft top and hard top should be minimal. E85 Z4 roadster had only 20 kg over the E86 coupe IIRC. The current 718...

Haha fair enough but you have to know its because of fueling problems. N54 on pump can’t make more than mid 400 whp because the injectors are at their peak. You either have to upgrade the DI system which like i did and only a handful of people, or do what others do and install supplemental port...

I have a Z4 35i. The engine is N54. 10.2 CR with 8 psi (stock level). For the last 8,000 kms i had upgraded hybrid turbos installed currently at 22 psi with 600whp and my logs are super nice with no knocks and basically zero correction factor. I kept the boost low to keep the clutches happy...

That is not true. I’m a BMW guy and i know a thing or two about BMW tuning and aftermarket. Right now BMW is using 3 main transmissions. 1. Manual. ZF GS6 family, and in top tier models, GS6-45bz to be exact. This same transmission is used also in B58 (340i) S55 (M3) and S63tu(M5). People have...

Direct injection, bro. Can take a whole lot more pressure due to DI. Years of super low CR have passed. N54 with 10:1 tend to make 700whp before needing for a built engine. Even then people keep the CR the same just upgrade the rods/pistons.

No they are gonna receive the S58

The JCW is getting the B48A20T1 which makes 300hp not the SULEV B46 in the Z4 (and probably Supra)

What will be the other application of said engine? Being in the industry i can't see how the manufacturers justify the additional r&d cost for just the top tier model, this engine has to be used somewhere else to share the costs IMHO. On the BMW side, they invested heavily to make a modular...

So is the iron block still an option?