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Please tell us what springs those are and how do you know they suck?
Before these conical springs were available, what springs were you installing in your race heads?
Ok, so you tested the wrong spring. The stock spring has been in MINIs shifting at 9k rpm, various other aftermarket valve springs have been in...
Some of my observations and thoughts; those springs closely resemble customs made Peterson PAC Racing Springs - The world's premier valve spring...
A good starting point for rear ride height on an R53.
This is a very low base setting for an R53.
AST 5100 400lb-in springs, H&R 19mm sway bar, Performance Friction Z-rated rear brake pads
Between this and 6 7/8ths is about optimum for an R53.
Assuming this 2004 model was built after January and has the metal encased damper, replace with another OEM. The parts warranty only applies if...
If you have the non-sport suspension, the front bar is only 22.5mm; the JCW bar is 24mm RealOEM.com BMW R56 Cooper S Sports suspension JCW, and...
An example of some of the things that can be recorded from the OBDII port on an R53. TimeStamp|RPM|Coolant Temp|Inlet Air Temp|Manifold Air...
While I think 240 is hot, there's no mention of hotter temps or the expansion tank cap blowing. When coolant boils, it converts to a gas which...
If you have a head gasket leak it won't manifest itself until hot in most cases. The gas will displace coolant in the head causing overheating....
Performance Friction's approach http://www.performancefriction.com/images/Trade_Pub_Arts/2003NovCircleTrackDirectDrive_e-Print.pdf The PFC...
Terry (mini_racer), he's the one with pad material smeared thick on his rotor and contemplating machining it.
If you are going to use a race pad, install and drive on the street for a couple weeks without bedding. An aggressive heat tolerant pad will...