1998 Z3 1.9l Autocross Build

Randall M

Dedicated Member
Joined
Jul 7, 2025
Points
28
Location
Davis, CA USA
Model of Z
Z3
Getting started! 1.9l M44, 5-speed, 102k miles.

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Getting it ready to run in E Stock. I autocrossed a lot in the Denver area about 40 years ago. Life has circled around, so I am at it again, soon, in the Sacramento area.

Removing weight...glove box anchor weight; spare tire, holder & bin. Fixed seat rail issue, seatbelt guide fixes, misc. fixes to tidy up for the first run in maybe August.
 

Randall M

Dedicated Member
Joined
Jul 7, 2025
Points
28
Location
Davis, CA USA
Model of Z
Z3
Changing out a leaking oil tower, today. Changing the filter and pressure switch while I am at it.

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Randall M

Dedicated Member
Joined
Jul 7, 2025
Points
28
Location
Davis, CA USA
Model of Z
Z3
Last week, I added a new steering wheel cover from https://stitchingcover.com/. I wanted a bit more diameter/grip and a fun color (nearly matches BMW blue). Took about 2.5 hours total. Great quality...the vendor was very careful to match my wheel with several BMW wheel styles.

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And seat covers... and wind deflector.

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Shelly

Zorg Expert (I)
Supporter
British Zeds
East Anglian Crew
Joined
Jul 9, 2013
Points
201
Location
Norfolk
Model of Z
Z4 2.0 20i M Sport sDrive

Grumps

Always happy, apart from when I'm not 🤬
Supporter
British Zeds
Joined
Apr 27, 2014
Points
226
Location
Forest Town, Mansfield
Model of Z
Z4 e85 2.5i
Welcome from Mansfield UK. Going to be an interesting thread.
 

FLZ_Boy

Regular Member
American Zeds
Joined
Mar 19, 2025
Points
13
Location
Texas
Model of Z
Z3 1.9L
I do look forward on your build. If you do go beyond E Stock, there are a few things you can grab from the higher trim Z3 models: bigger front brakes+rotors and rear differential with LSD options. I haven't sat down to read all the compatibility on rear differentials, but based on my various searches you can find what you need. I do recall someone running the smaller 1.9L calipers and rotors and brake fade was problematic on aggressive track days. Hope that helps!
 

Mint

Zorg Expert (I)
Supporter
British Zeds
East Anglian Crew
Joined
Sep 23, 2012
Points
222
Location
Stafford
Model of Z
2.2 Sport Individual
:welcome: again and looking forward to seeing your build.
 

Randall M

Dedicated Member
Joined
Jul 7, 2025
Points
28
Location
Davis, CA USA
Model of Z
Z3
I have a replacement shift boot aching to go on, but I CANNOT get my shift knob off. Tried brute force, tried levering it upward with a Crescent wrench and pipe, not a budge. Gonna have to cut it off and get a new one.
 

Randall M

Dedicated Member
Joined
Jul 7, 2025
Points
28
Location
Davis, CA USA
Model of Z
Z3
I have a replacement shift boot aching to go on, but I CANNOT get my shift knob off. Tried brute force, tried levering it upward with a Crescent wrench and pipe, not a budge. Gonna have to cut it off and get a new one.
Busted it off with sharp diagonal cutters (just kept nibbling away at the plastic). New knob tomorrow.

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Randall M

Dedicated Member
Joined
Jul 7, 2025
Points
28
Location
Davis, CA USA
Model of Z
Z3
Headlamp restoration today using a 3M Ultra Headlight Restoration Kit.

Results are great. Was able to do both lamps with one kit. Did a triple coat of the sealant. Make sure you tape off well. I did scuff a very small spot that will need to be buffed out. Otherwise...easy peasy.

Right Headlamp Restore.jpg
 

ktnez99

Zorg Guru (IV)
British Zeds
Joined
May 18, 2018
Points
164
Location
West Midlands
Model of Z
Z3 2.8L
Hello and welcome. Looks interesting. You’re in the right place for help, advice and banter.
 

FLZ_Boy

Regular Member
American Zeds
Joined
Mar 19, 2025
Points
13
Location
Texas
Model of Z
Z3 1.9L
You might get assessed penalty points for having a non-OEM spoiler. Just kidding....
 
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