1998 BMW 5 Series Sedan emission

in your garage to make future searches easy.

Condition	Value

expand_moreDiesel exhaust gas values

expand_moreCut-off control speed


BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP	5200–5300 rpm5200–5300 rpm5200–5300 rpm
BMW diesel straight-6 2.5 L M51 D25 (256T1) 141 HP	5000–5300 rpm5000–5300 rpm5000–5300 rpm
All other modifications	4450–4800 rpm4450–4800 rpm4450–4800 rpm


Diesel conditioning gas injections	5

expand_moreDiesel conditioning speed


BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP	5000 rpm5000 rpm5000 rpm

expand_moreBMW diesel straight-6 2.5 L M51 D25 (256T1) 141 HP


With automatic gearbox	4000 rpm4000 rpm4000 rpm
With manual transmission	5000 rpm5000 rpm5000 rpm


All other modifications	4000 rpm4000 rpm4000 rpm

expand_moreMaximum K-value


BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP	2.5 1/m2.5 1/m2.5 1/m

expand_moreBMW diesel straight-6 2.5 L M51 D25 (256T1) 141 HP


With bio-diesel	1.9 1/m1.9 1/m1.9 1/m
Otherwise	2.1 1/m2.1 1/m2.1 1/m


All other modifications	1.7 1/m1.7 1/m1.7 1/m


Measuring mode	B
Measuring sensor	1
Measuring time	0.5 s0.5 s0.5 s

expand_moreMinimum coolant temperature at AU

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	176°F176°F80°C
M52 B (20 6 S4) engine	158°F158°F70°C

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S4) engine	158°F158°F70°C

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 42.0	158°F158°F70°C


All other modifications	176°F176°F80°C

expand_moreStoppage time


BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP	5 s5 s5 s

expand_moreAll other modifications


With automatic gearbox	1 s1 s1 s
With manual transmission	5 s5 s5 s

expand_moreGeneral exhaust gas values


Diagnostic socket location	The diagnostic socket is located on the driver's side in the footwell below the dashboard.

expand_moreIdling speed with automatic gearbox


BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP	770–870 rpm770–870 rpm770–870 rpm
BMW diesel straight-6 2.5 L M51 D25 (256T1) 141 HP	600–800 rpm600–800 rpm600–800 rpm

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	625–825 rpm625–825 rpm625–825 rpm

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	620–820 rpm620–820 rpm620–820 rpm
Vehicles without OBD	620–820 rpm620–820 rpm620–820 rpm

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	625–825 rpm625–825 rpm625–825 rpm

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	620–820 rpm620–820 rpm620–820 rpm
Vehicles without OBD	620–820 rpm620–820 rpm620–820 rpm


BMW diesel straight-6 2.9 L M57 D30 (306D1) 181 HP	650–850 rpm650–850 rpm650–850 rpm

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 41.0	625–825 rpm625–825 rpm625–825 rpm
DME MS 42.0	620–820 rpm620–820 rpm620–820 rpm


BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM	500–650 rpm500–650 rpm500–650 rpm
BMW gasoline V8 3.5 L M62 B35 (358S2) 232 HP at 5800 RPM, 345 N⋅m at 3800 RPM	500–650 rpm500–650 rpm500–650 rpm
BMW gasoline V8 4.4 L M62 B44 (448S1) 282 HP	475–680 rpm475–680 rpm475–680 rpm
BMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP	475–680 rpm475–680 rpm475–680 rpm

expand_moreIdling speed with manual gearbox


BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP	770–870 rpm770–870 rpm770–870 rpm
BMW diesel straight-6 2.5 L M51 D25 (256T1) 141 HP	600–800 rpm600–800 rpm600–800 rpm

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	625–825 rpm625–825 rpm625–825 rpm

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	620–820 rpm620–820 rpm620–820 rpm
Vehicles without OBD	620–820 rpm620–820 rpm620–820 rpm

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	625–825 rpm625–825 rpm625–825 rpm

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	620–820 rpm620–820 rpm620–820 rpm
Vehicles without OBD	620–820 rpm620–820 rpm620–820 rpm


BMW diesel straight-6 2.9 L M57 D30 (306D1) 181 HP	650–850 rpm650–850 rpm650–850 rpm

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 41.0	625–825 rpm625–825 rpm625–825 rpm
DME MS 42.0	620–820 rpm620–820 rpm620–820 rpm


BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM	530–680 rpm530–680 rpm530–680 rpm
BMW gasoline V8 3.5 L M62 B35 (358S2) 232 HP at 5800 RPM, 345 N⋅m at 3800 RPM	530–680 rpm530–680 rpm530–680 rpm
BMW gasoline V8 4.4 L M62 B44 (448S1) 282 HP	475–680 rpm475–680 rpm475–680 rpm
BMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP	475–680 rpm475–680 rpm475–680 rpm

expand_moreMinimum engine oil temperature at VET


BMW diesel straight-6 2.5 L M51 D25 (256T1) 114 HP	176°F176°F80°C

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	140°F140°F60°C

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	158°F158°F70°C
Vehicles without OBD	158°F158°F70°C

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	140°F140°F60°C

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	158°F158°F70°C
Vehicles without OBD	158°F158°F70°C

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 41.0	140°F140°F60°C

expand_moreDME MS 42.0


Vehicles with OBD	158°F158°F70°C


BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM	140°F140°F60°C
BMW gasoline V8 3.5 L M62 B35 (358S2) 232 HP at 5800 RPM, 345 N⋅m at 3800 RPM	140°F140°F60°C

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP


Vehicles with OBD	158°F158°F70°C
Vehicles without OBD	140°F140°F60°C


All other modifications	158°F158°F70°C

expand_morePetrol exhaust gas values

expand_moreCO content at idling speed

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	0–0.5 %0–0.5 %0–0.5 %

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	0–0.2 %0–0.2 %0–0.2 %
Vehicles without OBD	0–0.2 %0–0.2 %0–0.2 %

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	0–0.5 %0–0.5 %0–0.5 %

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	0–0.2 %0–0.2 %0–0.2 %
Vehicles without OBD	0–0.2 %0–0.2 %0–0.2 %

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 41.0	0–0.5 %0–0.5 %0–0.5 %
DME MS 42.0	0–0.2 %0–0.2 %0–0.2 %


BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM	0–0.5 %0–0.5 %0–0.5 %
BMW gasoline V8 3.5 L M62 B35 (358S2) 232 HP at 5800 RPM, 345 N⋅m at 3800 RPM	0–0.5 %0–0.5 %0–0.5 %

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP


Vehicles with OBD	0–0.2 %0–0.2 %0–0.2 %
Vehicles without OBD	0–0.5 %0–0.5 %0–0.5 %


All other modifications	0–0.2 %0–0.2 %0–0.2 %

expand_moreCO content at increased idling speed

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	0–0.3 %0–0.3 %0–0.3 %

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	0–0.2 %0–0.2 %0–0.2 %
Vehicles without OBD	0–0.2 %0–0.2 %0–0.2 %

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	0–0.3 %0–0.3 %0–0.3 %

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	0–0.2 %0–0.2 %0–0.2 %
Vehicles without OBD	0–0.2 %0–0.2 %0–0.2 %

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 41.0	0–0.3 %0–0.3 %0–0.3 %
DME MS 42.0	0–0.2 %0–0.2 %0–0.2 %


BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM	0–0.3 %0–0.3 %0–0.3 %
BMW gasoline V8 3.5 L M62 B35 (358S2) 232 HP at 5800 RPM, 345 N⋅m at 3800 RPM	0–0.3 %0–0.3 %0–0.3 %

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP


Vehicles with OBD	0–0.2 %0–0.2 %0–0.2 %
Vehicles without OBD	0–0.3 %0–0.3 %0–0.3 %

expand_moreDelta lambda

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	0.02 λ0.02 λ0.02 λ

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	0.02 λ0.02 λ0.02 λ

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 41.0	0.03 λ0.03 λ0.03 λ

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP

expand_moreDME MS 5.1


Vehicles without OBD	0.02 λ0.02 λ0.02 λ


All other modifications	0.02 λ0.02 λ0.02 λ

expand_moreIncreased idling speed

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	2300–2700 rpm2300–2700 rpm2300–2700 rpm

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	2300–2700 rpm2300–2700 rpm2300–2700 rpm
Vehicles without OBD	2300–2700 rpm2300–2700 rpm2300–2700 rpm

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	2300–2700 rpm2300–2700 rpm2300–2700 rpm

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	2300–2700 rpm2300–2700 rpm2300–2700 rpm
Vehicles without OBD	2300–2700 rpm2300–2700 rpm2300–2700 rpm

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 41.0	2500–3000 rpm2500–3000 rpm2500–3000 rpm
DME MS 42.0	2300–2700 rpm2300–2700 rpm2300–2700 rpm


All other modifications	2500–3000 rpm2500–3000 rpm2500–3000 rpm

expand_moreLambda sensor design

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	Jump type lambda sensor

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	Jump type lambda sensor

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP

expand_moreDME MS 42.0


Vehicles with OBD	Jump type lambda sensor

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP


Vehicles with OBD	Jump type lambda sensor


All other modifications	Jump type lambda sensor

expand_moreLambda value

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
Vehicles without OBD	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
Vehicles without OBD	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ


All other modifications	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ

expand_morePetrol conditioning speed

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP

expand_moreM52 B (20 6 S3) engine


With automatic gearbox	2200–2800 rpm2200–2800 rpm2200–2800 rpm
With manual transmission	3000 rpm3000 rpm3000 rpm

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	3000 rpm3000 rpm3000 rpm
Vehicles without OBD	3000 rpm3000 rpm3000 rpm

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP

expand_moreM52 B (25 6 S3) engine


With automatic gearbox	2200–2800 rpm2200–2800 rpm2200–2800 rpm
With manual transmission	3000 rpm3000 rpm3000 rpm

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	3000 rpm3000 rpm3000 rpm
Vehicles without OBD	3000 rpm3000 rpm3000 rpm

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 42.0	3000 rpm3000 rpm3000 rpm

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP


Vehicles without OBD	3000 rpm3000 rpm3000 rpm


All other modifications	3000 rpm3000 rpm3000 rpm

expand_morePetrol conditioning time

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP

expand_moreM52 B (20 6 S3) engine


With automatic gearbox	240 s240 s240 s
With manual transmission	180 s180 s180 s

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	120 s120 s120 s
Vehicles without OBD	180 s180 s180 s

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP

expand_moreM52 B (25 6 S3) engine


With automatic gearbox	240 s240 s240 s
With manual transmission	180 s180 s180 s

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	180 s180 s180 s
Vehicles without OBD	180 s180 s180 s

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 42.0	180 s180 s180 s

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP


Vehicles without OBD	180 s180 s180 s


All other modifications	180 s180 s180 s

expand_moreSpeed for disturbance variable

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP


M52 B (20 6 S3) engine	350–1050 rpm350–1050 rpm350–1050 rpm

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP


M52 B (25 6 S3) engine	350–1050 rpm350–1050 rpm350–1050 rpm

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP


DME MS 41.0	350–1050 rpm350–1050 rpm350–1050 rpm


BMW gasoline V8 3.5 L M62 B35 (358S1) 232 HP at 5700 RPM, 320 N⋅m at 3300 RPM	200–900 rpm200–900 rpm200–900 rpm
BMW gasoline V8 3.5 L M62 B35 (358S2) 232 HP at 5800 RPM, 345 N⋅m at 3800 RPM	200–900 rpm200–900 rpm200–900 rpm

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP

expand_moreDME MS 5.1


Vehicles without OBD	230–930 rpm230–930 rpm230–930 rpm

expand_moreTest speed for lambda sensor signal

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	620–820 rpm620–820 rpm620–820 rpm

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	620–820 rpm620–820 rpm620–820 rpm

expand_moreAll other modifications

expand_moreDME MS 42.0


Vehicles with OBD	620–820 rpm620–820 rpm620–820 rpm

expand_moreVoltage swing at test speed

expand_moreBMW gasoline straight-6 2.0 L M52 B20 (206S3) 148 HP

expand_moreM52 B (20 6 S4) engine


Vehicles with OBD	0.3 V0.3 V0.3 V
More than

expand_moreBMW gasoline straight-6 2.5 L M52 B25 (256S3) 168 HP

expand_moreM52 B (25 6 S4) engine


Vehicles with OBD	0.3 V0.3 V0.3 V
More than

expand_moreBMW gasoline straight-6 2.8 L M52 B28 (286S1) 190 HP

expand_moreDME MS 42.0


Vehicles with OBD	0.3 V0.3 V0.3 V
More than

expand_moreBMW gasoline V8 4.4 L M62 B44 (448S2) 282 HP


Vehicles with OBD	0.3 V0.3 V0.3 V
More than


All other modifications	0.3 V0.3 V0.3 V
More than

To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by BMW.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1998 BMW 5 Series Sedan user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and BMW warranty policy for your region. In some regions DIY service may invalidate your warranty.

Maintenance Items

Service Intervals

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow BMW 5 Series Sedan service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 1998 BMW 5 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1998 BMW 5 Series Sedan Fourth generation Emission

Table of Contents

Conquer your fears and never give up!

BMW 5 Series Sedan Fourth generation model years

Suggest edit