XS power kit is very poor quality. I have had a lot of dealings with their parts and they rarely fit well, they normaly fail very quickly and inevetably dont do what it says on the tin. I now refuse to fit their parts for people.
If it was me I would go my tried and tested route, buy a turbo with a compressor map that suits the engine, for a 325 or 328 I would go for a Garrett GT3080r or a GT3582. This will give good responce and torque, the smaller one will run higher boost for the same power but deliver more torque as a result of the higher boost as well as earlier spool up. Expect to pay £1400 for the turbo alone, I recomend Fensport or turbo dynamics for the turbo.
Manifold get made custom, equal runners, port matched and dowled to the head and turbo, this helps no end. £500 for manifold is fair. If you wanted you could go for a twin scroll turbo and get the manifold made to suit, but it will cost a bit more and require 2 waste gates. V band hot sides.
Exhaust is simple and should cost no more than £100 to make a down pipe to suit.
Heat shields and/or ceramic coaings, heat rap.
Intercooler and pipe work £4-500, get extruded internal micro fin design not ebay tat, polish internaly over all welds for flow. An evo 9 intercooler core second hand is very cheap and good quality, fine upto 450bhp ish.
ecu or piggy back. Not cheap but lots of options from £500-5000.
xspower are pants, but for the money some of there stuff is ok.
The problem is they are selling that manifold for 323, 328 etc and it wont actually fit a Right Hand drive car, without some fairly hefty tweaking.
This is because its designed to mount the turbo facing downwards and the steering rack on RHD cars is a major PITA and gets in the way!
Dont be fooled with the £500 though.
A new turbo is neededas theirs are likely to fail in short order and put a million bits of ceramic impeller etc in your engine. Meaning a possible scrap engine.
Then theres the Wideband O2 sensor and gauge - £250 and critical bit of kit
Theres downpipe and wastegate
Then engine management - Not many (that I know of) remappers I would trust to map a turbo map on the 328i here in the UK, so you may need to conact Technique Tuning (USofA) and get Nick G to do you a custom map remotely
Then intercooler and associated pipework
Then a new exhaust system to mate with your new downpipe. 3" minimum, 4 " ideal
Mr Barry -nice info
Much as I fancy a turbo or supercharger though, it wont be happening in the cheap seats, nor can I justify the royalty boxes. so for me, its the induction kit, remap and game over.
I learned very quickly with bikes that true power costs. Going the cheap route usually ends up costing a lot more in the longer term
I totally agree, a cheap engine component could cause catastrophic effect to the engine... I think this is something we would much rather avoidGoing the cheap route usually ends up costing a lot more in the longer term
Suspension, yeah I can get over that (he says with H&R coilovers, Eibach anti roll bars and powerflex bushes) but engine, brakes and tyres NAH!!! Not for me
indeed, unless you gonna put some serious dough into your engine forget about it
Turbo kit on hold I think people! lol
I better get my finger out and finish my little Renault 9 turbo for weekend fun!
Thank you all for the advice!
Next question if you don't mind...can I please get advice on what to go for 328i and 325i coupe?
I thought 328i because alot of people have a 325i and I like to be a little different.
Is there any difference besides the extra cc?
I could look all day on the net but its better coming from a drivers/enthusiasts view like yourselves.
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