E21 Technical

Forum

Topics

Posts

Last post

Our top tech topics
Topics: 30

30 Topics

580 Posts

Last post Re: Coversion to electric pow…
by Jeroen View the latest post
Fri May 08, 2026 11:28 pm

New Topic

2649 topics

Page 1 of 53
- Jump to page:
1
2
3
4
5
…
53
Next

Topics

Replies

Views

Last post

Tensioner fails to bleed, ideas? (Solved)

Last post by Jeroen « Thu Feb 27, 2025 2:40 pm
Replies: 11
by Stand-in » Thu Feb 06, 2025 2:04 am

11 Replies

43416 Views

Last post by Jeroen
Thu Feb 27, 2025 2:40 pm
Please note before posting issues here

Last post by Manitoba « Mon Dec 06, 2021 8:32 am
Replies: 5
by Jeroen » Mon Jun 22, 2015 12:01 pm

5 Replies

68681 Views

Last post by Manitoba
Mon Dec 06, 2021 8:32 am
Important warning for users of ETK, BMWFans, RealOEM, etc.

Last post by Jeroen « Tue Sep 01, 2015 2:27 pm

by Jeroen » Tue Sep 01, 2015 2:27 pm

0 Replies

81120 Views

Last post by Jeroen
Tue Sep 01, 2015 2:27 pm
All pls read: where can I find... (parts/services)

Last post by Jeroen « Thu Jul 17, 2014 12:53 pm

by Jeroen » Thu Jul 17, 2014 12:53 pm

0 Replies

57287 Views

Last post by Jeroen
Thu Jul 17, 2014 12:53 pm
Another car won’t start thread

Last post by Jeroen « Tue Oct 06, 2026 11:01 pm
Replies: 3
by Jooobie » Fri Sep 04, 2026 5:20 pm

3 Replies

1452 Views

Last post by Jeroen
Tue Oct 06, 2026 11:01 pm
Removing the Emergency Brake Handle Boot

Last post by Jeroen « Fri Oct 02, 2026 3:22 pm
Replies: 5
by BimmerBrad » Thu Jul 23, 2026 6:16 pm

5 Replies

4427 Views

Last post by Jeroen
Fri Oct 02, 2026 3:22 pm
E30 Alternator on E21?

Last post by uwbuurman « Sat Sep 26, 2026 8:23 pm
Replies: 5
by ryanwnixon8 » Mon Aug 31, 2026 4:23 pm

5 Replies

1374 Views

Last post by uwbuurman
Sat Sep 26, 2026 8:23 pm
Mission: Nothing's Impossible '77 320i transmission swap

Last post by Cutiebeanz « Wed Sep 23, 2026 9:55 pm
Replies: 2
by Cutiebeanz » Wed Sep 23, 2026 5:28 am

2 Replies

157 Views

Last post by Cutiebeanz
Wed Sep 23, 2026 9:55 pm
Problems and Solutions with Holy Grail Labs Fuse box upgrade.

Last post by Jeroen « Tue Sep 15, 2026 8:41 am
Replies: 3
by Sierpien » Sun Sep 13, 2026 6:14 pm

3 Replies

201 Views

Last post by Jeroen
Tue Sep 15, 2026 8:41 am
Hesitation, won’t rev past 4000 rpm, stalls when warm

Last post by Jeroen « Sun Aug 30, 2026 4:05 pm
Replies: 6
by jaquimbayod » Fri Oct 31, 2025 12:46 pm

6 Replies

31361 Views

Last post by Jeroen
Sun Aug 30, 2026 4:05 pm
Suspension

Last post by Chizzy « Thu Aug 27, 2026 8:55 am

by Chizzy » Thu Aug 27, 2026 8:55 am

0 Replies

1225 Views

Last post by Chizzy
Thu Aug 27, 2026 8:55 am
1982 E21 323i - Front n/s brake caliper

Last post by mr edd « Tue Aug 18, 2026 11:04 pm
Replies: 4
by PhilT » Wed Aug 12, 2026 4:21 pm

4 Replies

3573 Views

Last post by mr edd
Tue Aug 18, 2026 11:04 pm
E21 randomly shut off while driving, cant start it back up

Last post by Bavbob « Sun Aug 16, 2026 2:19 pm
Replies: 11
by Mailxpur » Mon Jun 23, 2025 5:40 pm

11 Replies

35551 Views

Last post by Bavbob
Sun Aug 16, 2026 2:19 pm
1982 E21 323i - Muffler (Exhaust silencer)

Last post by PhilT « Wed Aug 12, 2026 4:30 pm

by PhilT » Wed Aug 12, 2026 4:30 pm

0 Replies

2272 Views

Last post by PhilT
Wed Aug 12, 2026 4:30 pm
windows rubber seals

Last post by petroscf « Thu Aug 06, 2026 2:07 pm
Replies: 5
by petroscf » Wed Aug 05, 2026 5:37 pm

5 Replies

2699 Views

Last post by petroscf
Thu Aug 06, 2026 2:07 pm
Engine swap

Last post by nic65 « Thu Jun 25, 2026 8:25 am
Replies: 3
by Paid » Mon Jun 22, 2026 12:44 pm

3 Replies

5834 Views

Last post by nic65
Thu Jun 25, 2026 8:25 am
Doors not closing easily

Last post by Jeroen « Mon Jun 22, 2026 9:22 pm
Replies: 8
by Amur73 » Thu Dec 11, 2025 10:25 pm

8 Replies

29305 Views

Last post by Jeroen
Mon Jun 22, 2026 9:22 pm
Facelift front subframe swap-suggestions?

Last post by uwbuurman « Sat Jun 06, 2026 8:01 pm
Replies: 1
by petroscf » Mon May 18, 2026 10:26 pm

1 Replies

6594 Views

Last post by uwbuurman
Sat Jun 06, 2026 8:01 pm
Bonnet not raising fully

Last post by Reck « Tue Jun 02, 2026 7:42 pm
Replies: 3
by Reck » Fri May 29, 2026 3:11 pm

3 Replies

6321 Views

Last post by Reck
Tue Jun 02, 2026 7:42 pm
Recomended body shop West London?

Last post by Reck « Fri May 29, 2026 3:08 pm
Replies: 3
by Vic » Tue Mar 24, 2026 8:14 pm

3 Replies

11623 Views

Last post by Reck
Fri May 29, 2026 3:08 pm
Weber 38 DGAS/ DGES feedback, are they a good upgrade?

Last post by Nicks1985 « Mon May 18, 2026 3:19 pm
Replies: 12
by Mucka » Tue Dec 30, 2014 1:28 pm

12 Replies

13702 Views

Last post by Nicks1985
Mon May 18, 2026 3:19 pm
Rear vent windows

Last post by Atle_323i « Tue Apr 21, 2026 4:45 pm
Replies: 2
by Atle_323i » Sun Apr 19, 2026 4:59 pm

2 Replies

10122 Views

Last post by Atle_323i
Tue Apr 21, 2026 4:45 pm
Brakepad Wear Sesnor

Last post by nic65 « Thu Apr 02, 2026 2:27 pm
Replies: 3
by BMW3000 » Tue Mar 31, 2026 7:54 pm

3 Replies

11274 Views

Last post by nic65
Thu Apr 02, 2026 2:27 pm
E12 520/6 to Motronic conversion.

Last post by Jeroen « Mon Mar 30, 2026 9:09 am
Replies: 7
by Sriufke » Sun Mar 15, 2026 6:31 pm

7 Replies

19472 Views

Last post by Jeroen
Mon Mar 30, 2026 9:09 am
Recommended tyres for 13 inch wheels

Last post by Jeroen « Fri Mar 27, 2026 4:40 pm
Replies: 5
by Alf123 » Mon Mar 23, 2026 11:38 pm

5 Replies

12645 Views

Last post by Jeroen
Fri Mar 27, 2026 4:40 pm
Min TCU wiring for 82' e21 with M52TU and Auto transmission

Last post by Jeroen « Tue Mar 24, 2026 9:27 am
Replies: 1
by bimmeup02 » Tue Mar 24, 2026 1:30 am

1 Replies

23197 Views

Last post by Jeroen
Tue Mar 24, 2026 9:27 am
Exhaust Gas Analyzer

Last post by Hunterajck « Sun Mar 15, 2026 10:26 pm
Replies: 5
by runsub5 » Wed Dec 27, 2017 9:03 pm

5 Replies

20281 Views

Last post by Hunterajck
Sun Mar 15, 2026 10:26 pm
Starter wiring questions

Last post by Jeroen « Tue Mar 10, 2026 10:26 pm
Replies: 1
by jeepjones03a3 » Mon Mar 09, 2026 7:32 pm

1 Replies

16062 Views

Last post by Jeroen
Tue Mar 10, 2026 10:26 pm
Mechanical Fuel Pump

Last post by Jeroen « Tue Feb 10, 2026 4:18 pm
Replies: 6
by 20cent » Fri Jun 19, 2020 11:04 pm

6 Replies

37944 Views

Last post by Jeroen
Tue Feb 10, 2026 4:18 pm
Starting issues cont.

Last post by jeepjones03a3 « Wed Jan 21, 2026 9:07 pm
Replies: 6
by jeepjones03a3 » Tue Jan 13, 2026 10:43 pm

6 Replies

37034 Views

Last post by jeepjones03a3
Wed Jan 21, 2026 9:07 pm
M20 with Webcon intake and triple weber 45DCOE

Last post by Benchapman99 « Mon Jan 19, 2026 6:00 pm
Replies: 10
by AdamB » Mon Feb 15, 2021 2:29 am

10 Replies

37512 Views

Last post by Benchapman99
Mon Jan 19, 2026 6:00 pm
E21 braking solutions

Last post by nic65 « Mon Jan 19, 2026 10:04 am
Replies: 3
by Tanner_P95 » Fri Jan 16, 2026 5:59 pm

3 Replies

28837 Views

Last post by nic65
Mon Jan 19, 2026 10:04 am
Steering wheel adjustment

Last post by Jeroen « Sat Jan 10, 2026 11:07 pm
Replies: 5
by repoman » Sat Jan 10, 2026 3:25 am

5 Replies

31533 Views

Last post by Jeroen
Sat Jan 10, 2026 11:07 pm
Your top 5 performance mods?

Last post by uwbuurman « Thu Jan 08, 2026 8:16 am
Replies: 31
by Amur73 » Fri Aug 06, 2021 8:39 am
1

2

3
31 Replies

165096 Views

Last post by uwbuurman
Thu Jan 08, 2026 8:16 am
Noisy Fan In The Heater

Last post by Jeroen « Sun Jan 04, 2026 11:07 pm
Replies: 6
by e21Keith » Thu Jul 11, 2019 3:21 pm

6 Replies

35486 Views

Last post by Jeroen
Sun Jan 04, 2026 11:07 pm
Starting issues

Last post by jeepjones03a3 « Mon Dec 15, 2025 3:41 pm
Replies: 2
by jeepjones03a3 » Mon Dec 15, 2025 7:04 am

2 Replies

29090 Views

Last post by jeepjones03a3
Mon Dec 15, 2025 3:41 pm
Is it possible to buy new front control arms without bushes?

Last post by Jeroen « Tue Nov 25, 2025 10:48 pm
Replies: 7
by Jack25 » Mon May 30, 2016 11:25 am

7 Replies

37099 Views

Last post by Jeroen
Tue Nov 25, 2025 10:48 pm
New Pioneer SXT-C10PS Radio? Anyone tested it?

Last post by Sierpien « Thu Nov 20, 2025 4:05 am
Replies: 4
by Sierpien » Mon Nov 17, 2025 5:04 pm

4 Replies

31461 Views

Last post by Sierpien
Thu Nov 20, 2025 4:05 am
Headlight Wipers

Last post by otto29 « Thu Oct 30, 2025 10:38 am
Replies: 7
by Bigmeat » Sun Oct 26, 2025 7:51 pm

7 Replies

34527 Views

Last post by otto29
Thu Oct 30, 2025 10:38 am
1981 316 RHD Brake booster replacement options

Last post by leonardgreggE21 « Mon Oct 20, 2025 12:33 pm
Replies: 5
by leonardgreggE21 » Tue Oct 07, 2025 8:08 pm

5 Replies

31431 Views

Last post by leonardgreggE21
Mon Oct 20, 2025 12:33 pm
Bilstein B8 Bump Stops

Last post by kam « Mon Oct 20, 2025 12:14 pm
Replies: 5
by Vic » Thu Jul 17, 2025 12:00 pm

5 Replies

36111 Views

Last post by kam
Mon Oct 20, 2025 12:14 pm
BMW 320i fuel pump issues

Last post by Jeroen « Mon Oct 06, 2025 2:45 pm
Replies: 1
by Nibroc08 » Mon Oct 06, 2025 2:47 am

1 Replies

29419 Views

Last post by Jeroen
Mon Oct 06, 2025 2:45 pm
poor fuel consumption - issues with carb?

Last post by Jeroen « Thu Sep 25, 2025 8:23 am
Replies: 3
by ryleybob » Tue Sep 23, 2025 4:29 am

3 Replies

46167 Views

Last post by Jeroen
Thu Sep 25, 2025 8:23 am
Using 731 head compared to standard 200 head

Last post by Jeroen « Wed Sep 17, 2025 9:38 pm
Replies: 24
by Atle_323i » Mon Aug 11, 2025 8:30 pm
1

2
24 Replies

98728 Views

Last post by Jeroen
Wed Sep 17, 2025 9:38 pm
Differential 33111207311

Last post by user.sven « Wed Sep 17, 2025 6:07 pm
Replies: 2
by user.sven » Tue Sep 16, 2025 3:08 pm

2 Replies

30300 Views

Last post by user.sven
Wed Sep 17, 2025 6:07 pm
Water pump removal - best practices for bolt removal

Last post by repoman « Sat Sep 06, 2025 9:45 pm
Replies: 2
by repoman » Sat Sep 06, 2025 6:13 pm

2 Replies

35574 Views

Last post by repoman
Sat Sep 06, 2025 9:45 pm
Warm up regulator to fuel distributor line

Last post by uwbuurman « Fri Aug 22, 2025 11:38 pm
Replies: 5
by jeepjones03a3 » Thu Aug 14, 2025 12:57 am

5 Replies

38223 Views

Last post by uwbuurman
Fri Aug 22, 2025 11:38 pm
323i clutch and pressure plate confusion

Last post by e21Keith « Sat Aug 16, 2025 10:44 am
Replies: 1
by lolomovil » Thu Apr 24, 2025 3:08 am

1 Replies

34531 Views

Last post by e21Keith
Sat Aug 16, 2025 10:44 am
M20 Rocker cover Breather

Last post by e21Keith « Sat Aug 16, 2025 10:39 am
Replies: 2
by hannaconner » Tue Jul 08, 2025 6:58 am

2 Replies

30866 Views

Last post by e21Keith
Sat Aug 16, 2025 10:39 am
Temp sensor for 2 stage fan E21 323i

Last post by uwbuurman « Fri Aug 15, 2025 8:50 pm
Replies: 6
by Atle_323i » Thu Aug 14, 2025 11:48 am

6 Replies

34201 Views

Last post by uwbuurman
Fri Aug 15, 2025 8:50 pm

New Topic

2649 topics

Page 1 of 53
- Jump to page:
1
2
3
4
5
…
53
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum