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Ron Stygar 05-25-2009 06:16 PM

Wind deflector Single Parts

Ron Stygar 05-28-2009 08:15 PM

Simultaneoe Pedals

Ron Stygar 06-04-2009 07:59 PM

Z4M Ride Height

[email protected] 06-08-2009 10:31 PM

Z4M: Leather Z Triple Gauge Install
This DIY post summarizes the process of installing the Z4 Complete Gauge Kit which can be found here. This post also aggregates other posts related to the topic.

In general the Leather Z kit is well designed and comes complete with gauges, mount, sending units, wiring, and detailed pictured instructions. The posts below provide you with additional details to make your install go smoothly. My install was for the S54 gauges and included the Leather Z Power Socket Relocation kit found here. Since I did not have the luxury of doing this in one shot I broke the process into six steps and completed it over several days allowing me to drive the car after each step. All together everything worked upon first try. I would recommend this DIY to anyone with moderate or intermediate mechanical skills.

Step 1 install the Z4 Power Socket Relocation Kit adding the radio Aux In.
See this post for tips:

Step 2 mount gauges and hook up to dim lighting.
See this post for tips:

Step 3 install the water temp sending unit which requires draining and replacing the coolant.
See this post for tips:

Step 4 install the oil pressure sending unit which requires disassembly of the air intake system.
See this post for tips:

Step 5 wire the sending units tie wrapping along the away finally passing through the firewall to the gauges.
See post above for wire routing tips.

Step 6 connect the gauges to the sending wires and switched power.
See this post for tips for finding switched power (not in the instructions):

Ron Stygar 06-30-2009 10:11 PM

Z4 M Coupe cupholder delete
Removed the passenger side cupholder and replaced it with the blank cover.
Will be doing the same on the drivers side when the parts show up.
Will probably install the V1 remote there.
Each cup holder is minus ~ 8 -oz.

Ron Stygar 07-27-2009 09:59 PM

Emergency Call Button

Ron Stygar 07-28-2009 09:46 AM

Z4 Alarm parts 65 73 0 309 944 (May 2007)

Ron Stygar 08-03-2009 12:07 AM

Speed Bleeder valves

Ron Stygar 08-10-2009 02:51 PM

Bump stops

Ron Stygar 09-27-2009 07:35 PM

Z4 Headlight adjustment

car62 10-16-2009 05:43 AM

Pressure brake bleeder
I am not endorsing this vendor because their service has been not completely satisfactory at times, but this product is an excellent tool to have that allows easy one person flushing and replacement of brake fluid for the brake and clutch system.

Ron Stygar 12-15-2009 06:49 PM

Z4: Remove Door Trim Panel

Ron Stygar 12-15-2009 07:20 PM

Rattling Noise from the Rear of the Door Panel

Ron Stygar 12-17-2009 10:05 PM

S54: Catalyst Protection While Car is Low on Fuel

Ron Stygar 12-17-2009 10:07 PM

Oil Temp/Oil Sensor S54

Ron Stygar 12-19-2009 08:47 PM

Z4-M HP/Torque NA and Euro
NA Z4-M:

HP = 330 / 246KW (246000/746 = 330) (246000/735 = 335)

Torque = 262 lb-ft / 355 Nm

Euro Z4-M:

HP = 343 / 252KW (252000/735 = 343) (252000/746 = 338)

Torque = 269 lb-ft / 365 Nm

So NA is 8 HP less than Euro.

Ron Stygar 01-23-2010 09:42 PM

Z4 Coupe Trunk Water Leak

Ron Stygar 01-24-2010 08:42 AM

Z4 Door Sill Trim Scratched

Ron Stygar 01-24-2010 10:01 AM

Z4 Seats Noise

Ron Stygar 01-26-2010 09:00 PM

Z4 Third Brake Crack

Ron Stygar 01-26-2010 09:36 PM

Z4 Rattle Noise Convertible Top

Ron Stygar 03-04-2010 03:03 PM

Cooling System: Long Term Antifreeze/Coolant

Ron Stygar 03-07-2010 12:22 PM

Z4 Camber Caster Plate Instructions

Ron Stygar 03-08-2010 11:19 PM

Z4M Rear Axle Camber, Toe Adjust
3 Attachment(s)






Ron Stygar 04-02-2010 08:58 PM

CTEK 7002 Battery Charger

When charged in normal it draws .03 ampere.
Battery Tender draws .06 ampere.

I added a aluminum plate on the bottom of the CTEK with 1/2" height spacers.
Was going to match the bottom of the CTEK, but too much time doing it by hand.

1 each Plate 4" x 8" x 1/8" aluminum. (polished with 220 wet paper)
2 each Spacer 3/8" hex, 1/2" height w/ 8-32 male / female.
2 each Nut nylon lock stainless.
2 each Screw 8-32 1/2" counter sink stainless.

Back on the garage floor doing its thing.

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