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E36General discussion and technical help for (E36) 1992-1999 3 series cars. 318, 323, 325, 328.
Umnitza now provides a mechanic to install all parts ordered right in the box! It's their new "Total customer service program" that will eliminate all the haters and keep incompetents from breaking **** and blaming the vendor! When you are all set simply call INS and they will pick him up free of charge.
From south west CT. I heard that tuning them will be a b*tch and it may cause a rough idle regardless.. Also heard you can get a 25-30 HP & torque gain. Not bad if I can get this done for around a G total. Does the M3 have bigger injectors than a M50?
m50 and s50 injectors are both 17#. s52 injectors are 21.5.
If your not doing them yourself, you should take it to a well known bmw shop, that either has the equipment to remove the stock cams, or uses the pelican DIY method.
You dont need new injectors, but if you want to get the most out of the cams, you should next upgrade fuel delivery to get better gains..
Youll need a custom chip with the cams, the tms chip is the best bet.. they have one programmed to get the most out of a stock 2.5L engine with s50 cams. Youll be able to have your conforti chip reburnt by them if its a tms chip.. otherwise get rady to shell out 250 for a new one.
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Your Ride: 1997 BMW 328is Boston Green/Sand Leather
All this info is based from dozens of peoples experiences on another BMW forum.
Software is not needed right away. The car's DME will adjust to the cams and run pretty well. A torque loss in the low range will be felt, but the higher in the rpm band you go the more the motor will scream! The ruff idle is just for the first few minutes. The car might also be hard to start and might need some feathering of the gas peddle to keep it running.
You need to get uprated springs or spring retainers if you plan to hit 7000 rpm often.
It seems that the average cost of professional installation is $400-600. Used cams go for $300-500. Software is $675 I believe.
Worth it? TOTALLY!!!
My car is bone stock except for disconnecting the muffler flap and debaffeling the airbox. M3 cams will be the first mod I do once I have the money for it.