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06-13-2019, 01:12 PM | #23 | |
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This is all tuning. Stock tune provides a flat 300/300. It's only when you spin the stock turbo beyond it's efficiency in the mid-range does the car "fall flat on its face" at high rpm... and produce gobs of low-end torque that makes for poor drive-ability... People value horsepower so much... a 3300lb car with 300whp is plenty to run faster lap times than anyone here has ever posted up (again look at the lap times of a professionally driven n55 powered m235iR @ 280hp). If you want to punch way above your weight then expect to put a little money into the car lol A PS2 turbo will make a nice 450whp/400wtq and you should be able to run with corvettes and other high-end sports cars. spend 15k on a 135i or go drop 30-40k on a comparable aged z06 or something? I guess it's kind of the "built" vs "bought" mentality I suppose. Last edited by bbnks2; 06-13-2019 at 01:26 PM.. |
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06-13-2019, 05:41 PM | #24 | |
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Do you really think 300whp at 3300lb is capable of posting faster lap times than anyone on here? Come on dude. |
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06-14-2019, 03:48 PM | #25 |
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Drives: 135i M-Sport
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The auto isn't bad on track... I've loved the car on track with the MHD/XHP tune and an oil/tranny cooler + some other mods. Of course a DCT would be ideal (might swap one in) but I've put about 8k track miles on the car in the last 2-3 years and haven't had any major issues except in 105*+ temps where shifts get slow after 15-20min ... I do enjoy the engineering aspect of building the car and do all my own wrenching so I'm okay with small issues like these. In hindsight, I probably would have enjoyed an E46 M3 with E85 tune for the track more. Nearly 300whp and 2850lbs.
Modern German cars are just so heavy...
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06-15-2019, 07:36 AM | #26 | |
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06-15-2019, 06:51 PM | #27 | ||
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Drives: 135i M-Sport
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06-16-2019, 08:12 AM | #28 | |
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With the same level of effort (a LOT, skinned everything, lexan, manual brakes, etc) I'm pretty sure the 135 could get down to a similar weight. |
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06-16-2019, 11:03 AM | #29 |
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my car is @ 3185lbs, half tank no driver. most of the interior is gone and I removed the sunroof.
if you want a car you can buy and track without much work than the 86 is probably a better bet. but boosting that engine seems risky, none of the drive train is set up to handle it.
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06-16-2019, 05:57 PM | #30 |
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That’s a lot of laps!
Backing up to the comment about the m235/240 race car above... The OP is asking about an HPDE car. Assuming it’s a car that will Be driven to the track? The race cars can’t be driven to the track (and one with a street title - you wouldn’t really want to drive them to the track.) also, those cars are not a 135i, they are way different and while they can turn an awesome lap time with 330-340hp, they are $100k cars with fully spherical bushings, solid and nearly-solid mounts, wider track with wider tires (slicks) on track specific alignment you need a ton of parts to achieve. You could build a 135i to a race spec, and probably do it for about $30-35k, plus the car.... I would bet the brakes on those m240i Evo’s are about $10k alone. Sweet cars though. |
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06-17-2019, 02:48 PM | #31 | |
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When you start talking about buying salvaged cars for HPDE I assume OP means to strip it and turn it into a "racecar" not daily drive it lol. As for how teh M235iR is relevant to a discussion about a 135i, they are basically the same cars lol. Also, there are usually tons of fully prepped spec E36's at track days comparable to the prep the M235iR gets... Stripped, caged, hard mounted drive-train, adjustable spherical arms, os geiken differentials, fire systems, driver cooling system... in many ways these cars have higher end parts than what these race cars run (like the modest BMW performance differential and PFC pads). Even those 10k calipers you mention are only 355mm 4-pots (restricted to 4-pots and size by class rules). You can easily replicate that setup with a set of $2-3k Stoptech calipers... In fact, plenty of people on this forum run more capable braking systems than the M235iR yet still complain lol go figure... M235iR runs slicks, yes, but it is homulgated to run a more modest 265/35/r18 tire on an 18x10 wheel @ Et2x. I've seen 1M's at the track running 305 square lol. Ive seen some tucking 335's in autocross... So yeah, while you can say "oh well that's a race car that's not a fair comparison" it does showcase what these cars are capable of and gives you something to build towards... They really aren't prepped anywhere near the level of the higher end classed cars. BMW did basic "racecar" stuff to it as it's a relatively cheap 100k car... It runs regular 2-way KW coilovers lol. Last edited by bbnks2; 07-12-2019 at 11:24 AM.. |
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07-14-2019, 11:11 PM | #32 |
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This thread is a little old, so hopefully you don't mind the hijack. I'm also deciding between a 135i and 86 so figured I'd post a few additional questions here.
From what I've read, the 135i won't be competitive in stock form. But, personally I just want the platform that's going to offer the most fun on the street and track/autocross. Fun for me is a car that has communicative steering and chassis. I previously owned an mk7 GTI and while that car put down good lap times for its class, it was far too numb and boring so I got rid of it. So, I don't care about lap times or the potential to be competitive in autocross. That mechanical connection is what I'm really after. I know the 86 has the better chassis, but does the 135i at least have better steering with it being hydraulic? What bothers me about the 86 is the lack of power, I'm afraid it'll be annoying as hell to DD. If I do decide on the 1, can I track it reliably with just basic bolt ons, oil cooler and sump? I'll be test driving a 2011 135i either Monday or Tuesday, but would appreciate feedback from people who have tracked them. |
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07-15-2019, 11:21 AM | #33 |
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This is going to sound sacrilegious, but just get a C5 or C6 Corvette.
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07-15-2019, 03:35 PM | #34 | |
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When it comes to fun, my car history has been mostly high powered rwd cars (C5, Mustangs, LS M3, etc.), and while I do enjoy driving the 135i, it honestly leaves me a bit bored. Awesome steering feel if that's what you are after, but I'm not really a boosted 6 fan, and the powerband of these cars with a stock turbo tuned is just awful. Hits hard in the low and mid range and falls off a cliff up top. Needs quite a bit of work to make a suitable track car too. |
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07-15-2019, 06:36 PM | #35 |
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Maybe I'll just go 128i, does that have hydraulic steering as well?
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07-15-2019, 09:22 PM | #36 |
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Yes, and it's a bit lighter on the nose.
but if you're going 128, it might make more sense to go e46 non M. larger aftermarket.
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07-16-2019, 01:22 PM | #37 | |
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I think 780 kgs dry is pretty far to the extreme though: http://news.kwautomotive.com/picture...eorg_Plasa.pdf |
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07-16-2019, 02:56 PM | #38 | |
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To be fair his car was pretty much a 1 series in appearance only. |
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07-16-2019, 03:15 PM | #39 | |
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And you're right, only in appearance, since I think it had a full space frame. Sounded amazing though! |
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08-22-2019, 05:40 PM | #40 |
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I've been tracking the mini, we bought a Toyota 86 TRD edition, they do not have much power it's annoying in traffic and it's my wifes car so no track time. My first non bmw/mini purchase in over 10 years. I'm already faster than most all BRZs with the mini on the track, only a well prepped TT car can get away from me.
Going to look at a salvage title 135i for 5k tomorrow night, might be right for the next hpde/tt toy
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08-23-2019, 08:09 PM | #41 |
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picked up a 2008 135i tonight.
I have not kept up on these cars, I see there's a hub conversion to give more rear room, does this help get the front/rears square? the car will need refreshing so it would be a perfect time to do that and m3 front arms along with lots of stiffer bushings. car has the following already done, typical n54 it likes to be shifted at 6k 7” VRSF HD intercooler 3” VRSF catless downpipes Aluminum charge pipe with Tial BOV MHD stage 2+ tune Koni shocks and struts with H & R lowering springs
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08-27-2019, 01:59 PM | #42 | |
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08-28-2019, 11:15 AM | #43 |
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A wise man once told me "just cut the rear fenders, it's not that hard."
And so it was, that I cut the rear fenders, and much clearance was created.
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08-28-2019, 05:55 PM | #44 |
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I drove my friends clapped out e36 m3 track car for one session Monday at NJMP TBolt as a thank you for lending him my wheels and tires while I wait to rebuild my n55 (see other thread). It has a cam, limited interior, 210,000 hard miles. I set a new Pb. 260hp. The thing about that car was it had track suspension (cheap DGR stuff) and felt absolutely like a gokart. It was such a blast to drive. I felt exactly what the car was doing at all times. BRZ’s on e85 were running within a second or 2 with us. Again, my buddy with the SC BRZ With 240whp was there and ran a 1:30 on AR1’s (I was at 1:33).
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