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  #46  
Old 02-23-2013, 06:49 PM
johanness johanness is offline
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Location: Vancouver, BC
 
Join Date: Sep 2010
Posts: 32
Mein Auto: 08 Z4MC
I just installed the BMS Stage 1 piggyback in my wife's X1 (28i). We have the N20 (not N26) and thus utilized all 4 connections. Took about 45 minutes - easy. No CEL or anything. Only had to reset the clock and good to go.

First impressions: lots more pull. Neck-whipping acceleration in the higher rev-range. Seems very balanced, as you can meander around town with fuel economy in mind... then stomp on it and really feel the added hp/tq.

Can't imagine what Stage 2 will look like.

Well done Terry and BMS!
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