Hello E30 zoners. Can anyone tell me how I can quicken up the power steering rack on my 318iS? Can Z3 racks be modded to fit? Also, does anyone have any feedback on big throttle bodies, and where I could get one for my iS?
Got viper chip recently, but I,m not very impressed with only 2 Bhp increase and 3lb/ft loss of torque, has anyone had any joy with these?
Quicker Steering Rack
Moderator: martauto
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Sausage
- E30 Zone Newbie

- Posts: 1
- Joined: Fri May 05, 2006 11:00 pm
- Location: North West. England
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DaveD
- E30Zone Wiki Specialist
- Posts: 5129
- Joined: Tue Jan 11, 2005 11:00 pm
- Location: Sheffield
have a look at e36 rack fitting a few below and have a search on zone chips
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Jamesb318is
- E30 Zone Regular

- Posts: 620
- Joined: Wed Jan 12, 2005 11:00 pm
- Location: East Sussex
First off, welcome to the zone mate.
Big bore TB's can be found on the e30zone shop, (zone shop tab above), and as for quicker racks, e36 or z3 racks can be fitted to some e30s, but they are apparently not a viable option on the 318is because the exhaust manifold gets in the way.
Im pretty pleased with my viper chip, dunno how it changed in actual figures, but it registered well on the 'arse dyno', and the car feels a lot smoother and more positive to drive these days.
Big bore TB's can be found on the e30zone shop, (zone shop tab above), and as for quicker racks, e36 or z3 racks can be fitted to some e30s, but they are apparently not a viable option on the 318is because the exhaust manifold gets in the way.
Im pretty pleased with my viper chip, dunno how it changed in actual figures, but it registered well on the 'arse dyno', and the car feels a lot smoother and more positive to drive these days.


