BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > Finally finished with the 335i:)

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      10-03-2012, 09:38 AM   #1

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Finally finished with the 335i:)

It’s taken about 18 months but I’ve finally finished getting the 335i to a standard am happy with. I bought the 335i to replace my old 350Z, ideally I would have gone for a E90 M3, but the wife said no to that. However soon after acquiring the 335i I realized it seems BMW hadn’t really developed the full potential of the 335i and set about putting thing right….It also gave me an excuse to spend the money “saved” by buying a cheap 335i compared to a M3.

The first thing I wanted to sort out was the lack of traction, I still don’t understand why BMW didn't fit the 335 with a LSD. 1 week into ownership the car went down to Birds BMW for a Quaife LSD which has really improved things, the TC now rarely comes on even when really pressing the car. I also find the standard M sport suspension setup to be a bit soft (even on the much hated Run Flats), steering feel is fab but turn-in was always a touch slow and the rear end always seemed unkeen to get involved in the corners. Under acceleration the backend also seem to always take a few moments to settle down before launching the car forwards (no it isn't the TC coming on). I ended up uprating the rear sub-frame bushes to M3 items and changed to aftermarket antiroll bars.

The car is now much more keen to turn-in, and body-roll in the corners is much improved. The ride is now just about perfect, the damping could still be improved but overall the car now handles beautifully. Infact I would say the car now handles better than the 350Z and has a hint of how my old Integra Type R felt. It certainly doesn’t feel like a 4 door 5 seater saloon!! Though the car is also perfectly happy pottering around town at 30mph, which is precisely what I wanted from my Z replacement .

After the extended warranty expired I looked into getting some extra BHP. I ended up with a JB4 tune and a few other mods (intercooler/downpipes). The car now performs at a level not far off a E90 M3 , but rather unexpectedly is also surprising economical, this was the mpg read out after a 3hr commute on a Friday night across various M ways (traffic jams and all)!!

I should add finding a garage to fit all the various mods was a headache, I ended up going back to garage that did all the work on my old 350Z. It's a garage in Leicester run by a couple of chaps called Mitz and Andy (Cougar Store) though they haven’t worked on a 335i before were more than willing to have a go, and the end result was top notch and the service provided puts main dealers to shame!! If anyone needs work doing on their car and are in the Midlands area I would defiantly recommend giving these guys a call

Some other bits done including braided brake lines, EBC Yellow stuff pads, Alpine speaker upgrade (the standard speakers were awful), and DAB/iPhone input via a Pure 300Di and some minor exterior spoilers (all cheap copies due to lack of funds)…

This is how finished product looks, I quite like the fact the car looks pretty much identical to a 320D, even though it now pushing close to 400bhp!! Plan is now to leave the car alone and just enjoy it for a good few years before getting a F10 M5 .

…nearly forgot the most important Mod any BMW needs..OBD port deletion

Last edited by gangzoom; 10-03-2012 at 10:04 AM.
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      10-03-2012, 09:58 AM   #2
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Originally Posted by gangzoom View Post
I still don’t understand why BMW didn't fit the 335 with a LSD.
Cost and the fact that 99% of buyers wouldn't know an LSD if they dropped it on their foot, I should imagine.
Current: 2013 F10 520d M-Sport, Professional Media, Visibility Pack, Reversing Camera, DAB
Previous: 2011 F10 520d M-Sport, 2008 320i M-Sport Coupe, 2002 325i, 2001 318i valvetronic, 1998 318i, 1996 525i, 1990 Porsche 944S2
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      10-03-2012, 12:13 PM   #3
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Really like the front end look
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      10-03-2012, 12:18 PM   #4
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2007 BMW 335i  [0.00]
Watched a video on fitting the JB4, looked fairly straight forward but tricky at the same time if that makes sense! Want to fit one to mine. Car looks great and well worth the effort.

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      10-03-2012, 12:41 PM   #5
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Looks good mate, keep it going :-)

Just fitted some red intakes myself 5 mins ago so my front end looks similiar to yours!
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      10-03-2012, 12:43 PM   #6
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Love the look of the front end mate! Bet she goes some!
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      10-03-2012, 12:46 PM   #7
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Looks good GZ,it must be quite a monster on the road.

I'd recommend M3 wishbones/tension struts to finish off the handling dept,if you've not already done it.

Never argue with an idiot on the internet. He will drag you down to his level and beat you with experience.
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      10-03-2012, 03:41 PM   #8
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Nice one and good work...

Dodgy radio station choice though
2007(07) : e90 - 330d - M Sport - Saloon - 6 Speed
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      10-03-2012, 03:47 PM   #9
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Some serious power from a family saloon lol!!! I love the understated looks and the mega performance dude!!! Nicely done
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