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Message: <blockquote data-quote="anxious" data-source="post: 283577" data-attributes="member: 193">Hmmm, begining to consider a M Tech suspension upgrade for my E36. The car is only lowered by 15mm as opposed to Eibach's 30mm. John Burn's in his website stated:-  [SIZE=+1]"Modified Suspension [/SIZE] The factory produced many sports models and made M-Tech suspension available as an option on others. This is generally an excellent setup which offers improved body control without undue harshness. For everyday use this is preferable to most of the harsher after market systems. I have this on my E30 318iS and can't fault it, it's 15mm lower than a normal E30. Lowering a BMW with semi-trailing arm rear suspension more than about 25mm will result in too much negative rear camber. Not only will this look odd but you'll wear out the inner edges of the rear tyres quickly. A proper lowering kit for such a car will use offset rear bushings to cancel out some of the camber change. A kit from a supplier such as Alpina, AC Schnitzer or Dinan will include shocks with custom valving, springs, anti-roll bars and possibly bushings. This will have been track and road tested and will add value to the car. But expect to pay around 1000 GBP for an Alpina suspension kit. For 400ish you'll get a set of lowering springs and quality Bilstein dampers, not a bad option but it may be harsher. Anything cheaper is to be treated with caution. If you just lower the car by cutting the springs you can expect to bottom out the shocks fairly soon. If all you want to do is reduce understeer then fitting a stiffer rear anti-roll bar from a higher model (i.e. 325i bar in a 328i) is a cheap option. If you don't want to lower the car and are replacing worn shocks I'd suggest Boge Turbo Gas, not dear and they work well with the sotck springs. I have them on my E36. For track use you can replace the suspension bushings with polyeurathane equivalents, they transmit too much noise for road use though. Another common mod for E30s is to fit E30 M3 front control arm bushings to improve turn in. Older BMWs benefit from a front strut tower brace, I have one on my 635CSi (E28 Sparco bar fits). But on a modern BMW there is little to be gained by this as the body is more rigid, I'd not waste money on one for an E30 or E36 road car unless I did a lot of track days. One exception is the front subframe cross brace, a lot of E36 318ti drivers say great things about this mod." see <a href="http://www.unixnerd.demon.co.uk/bmw.html" target="_blank">http://www.unixnerd.demon.co.uk/bmw.html</a></blockquote>

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